Publications
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Oh, H; Baumrind, S; Dugoni, S; Boero, R; Aubert, M; Boyd, R
A retrospective study of Class II mixed-dentition treatment. Journal Article
In: Angle Orthodontist, vol. 87, no. 1, pp. 56-67, 2017.
@article{Oh2017,
title = {A retrospective study of Class II mixed-dentition treatment. },
author = {H Oh and S Baumrind and S Dugoni and R Boero and M Aubert and R Boyd},
url = {https://pubmed.ncbi.nlm.nih.gov/27391205/},
doi = {10.2319/012616-72.1},
year = {2017},
date = {2017-01-00},
journal = {Angle Orthodontist},
volume = {87},
number = {1},
pages = {56-67},
abstract = {To consider the effectiveness of early treatment using one mixed-dentition approach to the correction of moderate and severe Class II malocclusions.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
To consider the effectiveness of early treatment using one mixed-dentition approach to the correction of moderate and severe Class II malocclusions.
Oh, H; Ma, N; Feng, P; Kieu, K; Boero, R; Dugoni, S; Aubert, M; Chambers, D
Evaluation of Post-treatment stability following orthodontic treatment in the mixed and permanent dentitions. Journal Article
In: Angle Orthodontist, vol. 86, no. 6, pp. 1010-1018, 2016.
@article{Oh2016b,
title = {Evaluation of Post-treatment stability following orthodontic treatment in the mixed and permanent dentitions.},
author = {H Oh and N Ma and P Feng and K Kieu and R Boero and S Dugoni and M Aubert and D Chambers},
url = {https://pubmed.ncbi.nlm.nih.gov/27214339/},
doi = {10.2319/122315-881.1},
year = {2016},
date = {2016-11-00},
journal = {Angle Orthodontist},
volume = {86},
number = {6},
pages = {1010-1018},
abstract = {To investigate posttreatment changes in the maxillary and mandibular arches in patients who underwent orthodontic treatment during the mixed and permanent dentitions.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
To investigate posttreatment changes in the maxillary and mandibular arches in patients who underwent orthodontic treatment during the mixed and permanent dentitions.
Oh, Heesoo; Ma, Ning; Feng, Ping Ping; Kieu, Katherine; Boero, Roger; Dugoni, Steven; Aubert, Maryse; Chambers, David W.
Evaluation of posttreatment stability after orthodontic treatment in the mixed and permanent dentitions Journal Article
In: Angle Orthodontist, vol. 86, no. 6, pp. 1010–1018, 2016.
@article{Oh2016,
title = {Evaluation of posttreatment stability after orthodontic treatment in the mixed and permanent dentitions},
author = {Heesoo Oh and Ning Ma and Ping Ping Feng and Katherine Kieu and Roger Boero and Steven Dugoni and Maryse Aubert and David W. Chambers},
url = {http://162.214.24.32/~crilorg/wp-content/uploads/2018/11/Evaluation-of-post-treatment-changes.pdf},
year = {2016},
date = {2016-01-01},
journal = {Angle Orthodontist},
volume = {86},
number = {6},
pages = {1010–1018},
abstract = {Objective: To investigate posttreatment changes in the maxillary and mandibular arches in patients who underwent orthodontic treatment during the mixed and permanent dentitions.
Materials and Methods: The sample was collected retrospectively from three private practices and consisted of 42 patients who were at least 10 years out of orthodontic treatment. The longitudinal records of study casts and cephalometric radiographs were analyzed to quantify posttreatment changes.
Results: Minimal changes in maxillary and mandibular irregularity occurred after an average of 16.98 years from completion of treatment. More than 10 years posttreatment, approximately 81% of the maxillary anterior teeth and 88% of the mandibular anterior teeth showed clinically acceptable incisor alignment (,3.5 mm). Mandibular fixed retainers greatly aided in maintaining the stability of the mandibular incisor alignment. However, posttreatment changes in maxillary incisor irregularity did not appear to be influenced by the presence of a mandibular fixed retainer. When compared with longitudinal changes observed in untreated subjects, the increase in incisor irregularity resembled a pattern similar to the regression line of untreated subjects and seems to be entirely age related. Arch width and arch depth was consistently decreased after treatment, but the
magnitude of change was minimal at about 1 mm. No associations were found between any of the cephalometric measurements and changes in incisor irregularities.
Conclusions: Orthodontic treatment stability can be achieved and mandibular fixed retention appears to be a valuable contributor, especially in patients with further growth expected. (Angle Orthod. 2016;86:1010–1018)},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Objective: To investigate posttreatment changes in the maxillary and mandibular arches in patients who underwent orthodontic treatment during the mixed and permanent dentitions.
Materials and Methods: The sample was collected retrospectively from three private practices and consisted of 42 patients who were at least 10 years out of orthodontic treatment. The longitudinal records of study casts and cephalometric radiographs were analyzed to quantify posttreatment changes.
Results: Minimal changes in maxillary and mandibular irregularity occurred after an average of 16.98 years from completion of treatment. More than 10 years posttreatment, approximately 81% of the maxillary anterior teeth and 88% of the mandibular anterior teeth showed clinically acceptable incisor alignment (,3.5 mm). Mandibular fixed retainers greatly aided in maintaining the stability of the mandibular incisor alignment. However, posttreatment changes in maxillary incisor irregularity did not appear to be influenced by the presence of a mandibular fixed retainer. When compared with longitudinal changes observed in untreated subjects, the increase in incisor irregularity resembled a pattern similar to the regression line of untreated subjects and seems to be entirely age related. Arch width and arch depth was consistently decreased after treatment, but the
magnitude of change was minimal at about 1 mm. No associations were found between any of the cephalometric measurements and changes in incisor irregularities.
Conclusions: Orthodontic treatment stability can be achieved and mandibular fixed retention appears to be a valuable contributor, especially in patients with further growth expected. (Angle Orthod. 2016;86:1010–1018)
Materials and Methods: The sample was collected retrospectively from three private practices and consisted of 42 patients who were at least 10 years out of orthodontic treatment. The longitudinal records of study casts and cephalometric radiographs were analyzed to quantify posttreatment changes.
Results: Minimal changes in maxillary and mandibular irregularity occurred after an average of 16.98 years from completion of treatment. More than 10 years posttreatment, approximately 81% of the maxillary anterior teeth and 88% of the mandibular anterior teeth showed clinically acceptable incisor alignment (,3.5 mm). Mandibular fixed retainers greatly aided in maintaining the stability of the mandibular incisor alignment. However, posttreatment changes in maxillary incisor irregularity did not appear to be influenced by the presence of a mandibular fixed retainer. When compared with longitudinal changes observed in untreated subjects, the increase in incisor irregularity resembled a pattern similar to the regression line of untreated subjects and seems to be entirely age related. Arch width and arch depth was consistently decreased after treatment, but the
magnitude of change was minimal at about 1 mm. No associations were found between any of the cephalometric measurements and changes in incisor irregularities.
Conclusions: Orthodontic treatment stability can be achieved and mandibular fixed retention appears to be a valuable contributor, especially in patients with further growth expected. (Angle Orthod. 2016;86:1010–1018)
Baumrind, Sheldon; Curry, Sean
Overview of a powerful tool for orthodontic research and teaching Journal Article
In: Am. J. Orthodontics, vol. 148, no. 2, pp. 217-225, 2015.
@article{Baumrind2015,
title = {Overview of a powerful tool for orthodontic research and teaching},
author = {Sheldon Baumrind and Sean Curry},
url = {http://162.214.24.32/~crilorg/wp-content/uploads/2018/12/American-Association-of-Orthodontists-Foundation-Craniofacial-Growth-Legacy-Collection-Overview-of-a-powerful-tool-for-orthodontic-research-and-teaching-S.-Baumrind-S.-Curry.pdf},
year = {2015},
date = {2015-01-01},
journal = {Am. J. Orthodontics},
volume = {148},
number = {2},
pages = {217-225},
abstract = {This article reports on the current status of the American Association of Orthodontists Foundation (AAOF)
Craniofacial Growth Legacy Collection—an AAOF-supported multi-institutional project that uses the Internet
and cloud computing to collect and share craniofacial images and data for orthodontic research and education.
The project gives investigators and clinicians all over the world online access to longitudinal information on
craniofacial development in untreated children with malocclusions of various types. It also is a unique source
of control samples for testing the validity of consensually accepted beliefs about the effects of orthodontic treatment
or of failure to treat.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
This article reports on the current status of the American Association of Orthodontists Foundation (AAOF)
Craniofacial Growth Legacy Collection—an AAOF-supported multi-institutional project that uses the Internet
and cloud computing to collect and share craniofacial images and data for orthodontic research and education.
The project gives investigators and clinicians all over the world online access to longitudinal information on
craniofacial development in untreated children with malocclusions of various types. It also is a unique source
of control samples for testing the validity of consensually accepted beliefs about the effects of orthodontic treatment
or of failure to treat.
Craniofacial Growth Legacy Collection—an AAOF-supported multi-institutional project that uses the Internet
and cloud computing to collect and share craniofacial images and data for orthodontic research and education.
The project gives investigators and clinicians all over the world online access to longitudinal information on
craniofacial development in untreated children with malocclusions of various types. It also is a unique source
of control samples for testing the validity of consensually accepted beliefs about the effects of orthodontic treatment
or of failure to treat.
Oh, H; Herchold, K; et al,
Orthodontic tooth movement through the maxillary sinus in an adult patient with multiple missing teeth. Journal Article
In: American Journal of Orthodontics & Dentofacial Orthopedics, vol. 146, no. 4, pp. 493-505, 2014.
@article{Oh2014,
title = {Orthodontic tooth movement through the maxillary sinus in an adult patient with multiple missing teeth. },
author = {H Oh and K Herchold and et al},
url = {https://pubmed.ncbi.nlm.nih.gov/25263152/},
doi = {10.1016/j.ajodo.2014.03.025},
year = {2014},
date = {2014-10-00},
journal = {American Journal of Orthodontics & Dentofacial Orthopedics},
volume = {146},
number = {4},
pages = {493-505},
abstract = {This case report describes the successful orthodontic tooth movement through the maxillary sinus in an adult patient. A 41-year-old Asian woman had severe lip protrusion and multiple missing posterior teeth. Her orthodontic treatment included the extraction of 2 teeth, maximum retraction of the incisors using the extraction spaces and the existing spaces from the missing molars, and closure of all remaining spaces. Even though the treatment time was extended because of the anatomic and biologic challenges associated with moving posterior teeth over a long distance through the maxillary sinus, a successful outcome was obtained, with significant bone modeling of the maxillary sinus. The results demonstrate that a carefully selected force system can overcome the anatomic limitations of moving tooth against the cortical bone of the maxillary sinus wall in adult patients.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
This case report describes the successful orthodontic tooth movement through the maxillary sinus in an adult patient. A 41-year-old Asian woman had severe lip protrusion and multiple missing posterior teeth. Her orthodontic treatment included the extraction of 2 teeth, maximum retraction of the incisors using the extraction spaces and the existing spaces from the missing molars, and closure of all remaining spaces. Even though the treatment time was extended because of the anatomic and biologic challenges associated with moving posterior teeth over a long distance through the maxillary sinus, a successful outcome was obtained, with significant bone modeling of the maxillary sinus. The results demonstrate that a carefully selected force system can overcome the anatomic limitations of moving tooth against the cortical bone of the maxillary sinus wall in adult patients.
Baumrind, Sheldon; Curry, Sean
The AAOF craniofacial growth legacy collection: A powerful new tool for orthodontic teaching and research Journal Article
In: AAOF Craniofacial Growth Legacy Collection, pp. 297-318, 2011.
@article{Baumrind2011,
title = {The AAOF craniofacial growth legacy collection: A powerful new tool for orthodontic teaching and research},
author = { Sheldon Baumrind and Sean Curry},
url = {http://162.214.24.32/~crilorg/wp-content/uploads/2018/12/AAOF-Collection-Mich-Monographs-S.BaumrindS.Curry_.pdf},
year = {2011},
date = {2011-01-01},
journal = {AAOF Craniofacial Growth Legacy Collection},
pages = {297-318},
abstract = {This chapter reports and illustrates a multi-institutional project that uses the capabilities of cloud computing and the Internet to collect and share craniofacial images and numerical data of importance to orthodontic education and research. The project will provide interested investigators all over the world with near instantaneous access to longitudinal information on the spontaneous craniofacial growth of untreated children with various kinds of malocclusion. The collection will facilitate investigations on the spontaneous course of development in children with malocclusions of different types. In addition, the AAOF Legacy Collection constitutes a unique source of control samples for testing the validity of consensually accepted beliefs about the effects of orthodontic treatment.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
This chapter reports and illustrates a multi-institutional project that uses the capabilities of cloud computing and the Internet to collect and share craniofacial images and numerical data of importance to orthodontic education and research. The project will provide interested investigators all over the world with near instantaneous access to longitudinal information on the spontaneous craniofacial growth of untreated children with various kinds of malocclusion. The collection will facilitate investigations on the spontaneous course of development in children with malocclusions of different types. In addition, the AAOF Legacy Collection constitutes a unique source of control samples for testing the validity of consensually accepted beliefs about the effects of orthodontic treatment.
Xu, T-M; Zhang, X; Oh, HS; Boyd, R; Korn, El; Baumrind, S
A Randomized Clinical Trial (RCT) Comparing Maxillary Molar Anchorage Loss Using Two Retraction Techniques. Journal Article
In: American Journal of Orthodontics & Dentofacial Orthopedics, vol. 138, no. 5, pp. 544-5, 2010.
@article{Xu2010,
title = {A Randomized Clinical Trial (RCT) Comparing Maxillary Molar Anchorage Loss Using Two Retraction Techniques.},
author = {T-M Xu and X Zhang and HS Oh and R Boyd and El Korn and S Baumrind},
url = {https://pubmed.ncbi.nlm.nih.gov/21055588/},
doi = {10.1016/j.ajodo.2009.12.027},
year = {2010},
date = {2010-11-00},
journal = {American Journal of Orthodontics & Dentofacial Orthopedics},
volume = {138},
number = {5},
pages = {544-5},
abstract = {The objective of this pilot randomized clinical trial was to investigate the relative effectiveness of anchorage conservation of en-masse and 2-step retraction techniques during maximum anchorage treatment in patients with Angle Class I and Class II malocclusions.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The objective of this pilot randomized clinical trial was to investigate the relative effectiveness of anchorage conservation of en-masse and 2-step retraction techniques during maximum anchorage treatment in patients with Angle Class I and Class II malocclusions.
Oh, HS; Korn, EL; Zhang, XY; Liu, Y; Xu, T-M; Boyd, R; Baumrind, S
Correlation between cephalometric and photographic measurements of facial attractiveness in Chinese and U.S. patients at the end of orthodontic treatment. Journal Article
In: American Journal of Orthodontics & Dentofacial Orthopedics, vol. 136, no. 6, pp. e1-14; discussion 762-3, 2009.
@article{Oh2009,
title = {Correlation between cephalometric and photographic measurements of facial attractiveness in Chinese and U.S. patients at the end of orthodontic treatment.},
author = {HS Oh and EL Korn and XY Zhang and Y Liu and T-M Xu and R Boyd and S Baumrind},
url = {https://pubmed.ncbi.nlm.nih.gov/19962590/},
doi = {10.1016/j.ajodo.2009.04.020},
year = {2009},
date = {2009-12-00},
journal = {American Journal of Orthodontics & Dentofacial Orthopedics},
volume = {136},
number = {6},
pages = {e1-14; discussion 762-3},
abstract = {Orthodontists rely on esthetic judgments from facial photographs. Concordance between estimates of facial attractiveness made from lateral cephalograms and those made from clinical photographs has not been determined. We conducted a preliminary examination to correlate clinicians' rankings of facial attractiveness from standardized end-of-treatment facial photographs (Photo Attractiveness Rank) with cephalometric measurements of facial attractiveness made for the same subjects at the same time.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Orthodontists rely on esthetic judgments from facial photographs. Concordance between estimates of facial attractiveness made from lateral cephalograms and those made from clinical photographs has not been determined. We conducted a preliminary examination to correlate clinicians' rankings of facial attractiveness from standardized end-of-treatment facial photographs (Photo Attractiveness Rank) with cephalometric measurements of facial attractiveness made for the same subjects at the same time.
Lui, Y; Korn, EL; Oh, HS; Pearson, H; Xu, T-M; Baumrind, S
Comparison of Chinese and U.S. Orthodontists' Averaged Evaluations of "Facial Attractiveness" from End-of-Treatment Facial Photographs. Journal Article
In: American Journal of Orthodontics & Dentofacial Orthopedics, vol. 135, no. 5, pp. 621-34, 2009.
@article{Liu2009,
title = {Comparison of Chinese and U.S. Orthodontists' Averaged Evaluations of "Facial Attractiveness" from End-of-Treatment Facial Photographs. },
author = {Y Lui and EL Korn and HS Oh and H Pearson and T-M Xu and S Baumrind},
url = {https://pubmed.ncbi.nlm.nih.gov/19409345/},
doi = {10.1016/j.ajodo.2007.04.039},
year = {2009},
date = {2009-05-00},
journal = {American Journal of Orthodontics & Dentofacial Orthopedics},
volume = {135},
number = {5},
pages = {621-34},
abstract = {This study continues our assessment of agreement and disagreement among 25 Chinese and 20 US orthodontists in the ranking for facial attractiveness of end-of-treatment photographs of randomly sampled growing Chinese and white orthodontic patients. The main aims of this article were to (1) measure the overall pattern of agreement between the mean rankings of US and Chinese orthodontists, and (2) measure the strength of agreement between the rankings of the US and Chinese orthodontists for each patient.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
This study continues our assessment of agreement and disagreement among 25 Chinese and 20 US orthodontists in the ranking for facial attractiveness of end-of-treatment photographs of randomly sampled growing Chinese and white orthodontic patients. The main aims of this article were to (1) measure the overall pattern of agreement between the mean rankings of US and Chinese orthodontists, and (2) measure the strength of agreement between the rankings of the US and Chinese orthodontists for each patient.
Xu, T-M; Korn, EL; Liu, Y; Oh, HS; Lee, KH; Baumrind, S
"Facial Attractiveness": Ranking of End-of-Treatment Facial Photographs by Chinese and U.S. Orthodontists. Journal Article
In: American Journal of Orthodontics & Dentofacial Orthopedics, vol. 134, no. 1, pp. 74-84, 2008.
@article{Xu2008,
title = {"Facial Attractiveness": Ranking of End-of-Treatment Facial Photographs by Chinese and U.S. Orthodontists.},
author = {T-M Xu and EL Korn and Y Liu and HS Oh and KH Lee and S Baumrind},
url = {https://pubmed.ncbi.nlm.nih.gov/18617106/},
doi = {10.1016/j.ajodo.2006.08.023},
year = {2008},
date = {2008-07-00},
journal = {American Journal of Orthodontics & Dentofacial Orthopedics},
volume = {134},
number = {1},
pages = {74-84},
abstract = {In this study, we assessed agreement and disagreement among pairs of Chinese and US orthodontists in the ranking for "facial attractiveness" of end-of-treatment photographs of growing Chinese and white orthodontic patients.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
In this study, we assessed agreement and disagreement among pairs of Chinese and US orthodontists in the ranking for "facial attractiveness" of end-of-treatment photographs of growing Chinese and white orthodontic patients.
Baumrind, Sheldon
A clinical orthodontist looks at statistics Journal Article
In: Seminars in Orthodontics, vol. 8, no. 2, pp. 102-109, 2002.
@article{Baumrind2002jun,
title = {A clinical orthodontist looks at statistics},
author = {Sheldon Baumrind},
url = {http://162.214.24.32/~crilorg/wp-content/uploads/2018/12/A-Clinical-Orthodontist-Looks-at-Statistics-S.Baumrind.pdf},
doi = {10.1053/sodo.2002.32192},
year = {2002},
date = {2002-06-01},
journal = {Seminars in Orthodontics},
volume = {8},
number = {2},
pages = {102-109},
abstract = {Statistics is a tool that can help the practitioner judge the clinical importance of patient-centered studies. Statistical tools have both strengths and limitations. This article endeavors to clarify for the clinician the role of statistical analyses in facilitating the application of the outcomes of clinical studies to the management of individual patients.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Statistics is a tool that can help the practitioner judge the clinical importance of patient-centered studies. Statistical tools have both strengths and limitations. This article endeavors to clarify for the clinician the role of statistical analyses in facilitating the application of the outcomes of clinical studies to the management of individual patients.
SK, Lee; YS, Kim; HS, Oh; KH, Yang; EC, Kim; JG, Chi
Prenatal development of the human mandible. Journal Article
In: The Anatomical Record, vol. 263, no. 3, pp. 314-25, 2001.
@article{Lee2001,
title = {Prenatal development of the human mandible. },
author = {Lee SK and Kim YS and Oh HS and Yang KH and Kim EC and Chi JG},
url = {https://pubmed.ncbi.nlm.nih.gov/11455541/},
doi = {10.1002/ar.1110},
year = {2001},
date = {2001-07-01},
journal = {The Anatomical Record},
volume = {263},
number = {3},
pages = {314-25},
abstract = {In an effort to better understand the interrelationship of the growth and development pattern of the mandible and condyle, a sequential growth pattern of human mandibles in 38 embryos and 111 fetuses were examined by serial histological sections and soft X-ray views. The basic growth pattern of the mandibular body and condyle appeared in week 7 of fertilization. Histologically, the embryonal mandible originated from primary intramembranous ossification in the fibrous mesenchymal tissue around the Meckel cartilage. From this initial ossification, the ramifying trabecular bones developed forward, backward and upward, to form the symphysis, mandibular body, and coronoid process, respectively. We named this initial ossification site of embryonal mandible as the mandibular primary growth center (MdPGC). During week 8 of fertilization, the trabecular bone of the mandibular body grew rapidly to form muscular attachments to the masseter, temporalis, and pterygoid muscles. The mandible was then rapidly separated from the Meckel cartilage and formed a condyle blastema at the posterior end of linear mandibular trabeculae. The condyle blastema, attached to the upper part of pterygoid muscle, grew backward and upward and concurrent endochondral ossification resulted in the formation of the condyle. From week 14 of fertilization, the growth of conical structure of condyle became apparent on histological and radiological examinations. The mandibular body showed a conspicuous radiating trabecular growth pattern centered at the MdPGC, located around the apical area of deciduous first molar. The condyle growth showed characteristic conical structure and abundant hematopoietic tissue in the marrow. The growth of the proximal end of condyle was also approximated to the MdPGC on radiograms. Taken together, we hypothesized that the MdPGC has an important morphogenetic affect for the development of the human mandible, providing a growth center for the trabecular bone of mandibular body and also indicating the initial growth of endochondral ossification of the condyle.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
In an effort to better understand the interrelationship of the growth and development pattern of the mandible and condyle, a sequential growth pattern of human mandibles in 38 embryos and 111 fetuses were examined by serial histological sections and soft X-ray views. The basic growth pattern of the mandibular body and condyle appeared in week 7 of fertilization. Histologically, the embryonal mandible originated from primary intramembranous ossification in the fibrous mesenchymal tissue around the Meckel cartilage. From this initial ossification, the ramifying trabecular bones developed forward, backward and upward, to form the symphysis, mandibular body, and coronoid process, respectively. We named this initial ossification site of embryonal mandible as the mandibular primary growth center (MdPGC). During week 8 of fertilization, the trabecular bone of the mandibular body grew rapidly to form muscular attachments to the masseter, temporalis, and pterygoid muscles. The mandible was then rapidly separated from the Meckel cartilage and formed a condyle blastema at the posterior end of linear mandibular trabeculae. The condyle blastema, attached to the upper part of pterygoid muscle, grew backward and upward and concurrent endochondral ossification resulted in the formation of the condyle. From week 14 of fertilization, the growth of conical structure of condyle became apparent on histological and radiological examinations. The mandibular body showed a conspicuous radiating trabecular growth pattern centered at the MdPGC, located around the apical area of deciduous first molar. The condyle growth showed characteristic conical structure and abundant hematopoietic tissue in the marrow. The growth of the proximal end of condyle was also approximated to the MdPGC on radiograms. Taken together, we hypothesized that the MdPGC has an important morphogenetic affect for the development of the human mandible, providing a growth center for the trabecular bone of mandibular body and also indicating the initial growth of endochondral ossification of the condyle.
Baumrind, Sheldon
Adult orthodontic therapy—extraction versus non extraction Journal Article
In: Clinical Orthodontics and Research , vol. 1, pp. 130-141, 1998.
@article{Baumrind1998,
title = {Adult orthodontic therapy—extraction versus non extraction},
author = {Sheldon Baumrind},
url = {http://162.214.24.32/~crilorg/wp-content/uploads/2018/12/Adult-orthodontic-therapy-extraction-versus-non-extraction.pdf},
year = {1998},
date = {1998-08-10},
journal = {Clinical Orthodontics and Research },
volume = {1},
pages = {130-141},
abstract = {This study addresses the problem of randomization of subjects with respect to an irreversible aspect of treatment strategy, namely, the extraction of teeth. The investigation includes both prospective and retrospective components. The data presented focus on clinician decision-making. Of the 1321 potential subjects for whom records were taken, 250 met the inclusion criteria. Of these subjects, 82 declined to participate and 20 were dropped because of difficulty in obtaining five independent evaluations of their records within a reasonable time frame. Thus, the final sample contained 148 subjects. Approximately one-third of the subjects in the sample are adult, somewhat more than half are female, and Class I malocclusions outnumber Class II malocclusions by a count of 95 to 53. Patterns of agreement and disagreement among five clinicians include: a) agreement/disagreement on the primary decision whether or not to extract: the data reveal a strong tendency towards consensus among the clinicians; b) agreement/disagreement on extraction pattern in patients in whom the clinician believes that extraction is indicated: the clinicians tended strongly to agree on extraction pattern; c) agreement/disagreement on the need for adjunctive orthognathic surgery: decisions favoring surgery were more common and more 'definite' than 'probable' in the adult cohort than in the adolescent cohort but this tendency was not as strong as had been anticipated; d) agreement/disagreement concerning Angle classification: disagreements were more common than had been anticipated; and e) differences among the individual clinicians as to their ratios of extraction/non-extraction decisions: overall, clinicians opted for extraction less frequently in the adolescent cohort than in the adult cohort (55 vs. 66%). Because the data are drawn from actual clinical experience, the conclusions involve a number of assumptions and their generalizability should be evaluated.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
This study addresses the problem of randomization of subjects with respect to an irreversible aspect of treatment strategy, namely, the extraction of teeth. The investigation includes both prospective and retrospective components. The data presented focus on clinician decision-making. Of the 1321 potential subjects for whom records were taken, 250 met the inclusion criteria. Of these subjects, 82 declined to participate and 20 were dropped because of difficulty in obtaining five independent evaluations of their records within a reasonable time frame. Thus, the final sample contained 148 subjects. Approximately one-third of the subjects in the sample are adult, somewhat more than half are female, and Class I malocclusions outnumber Class II malocclusions by a count of 95 to 53. Patterns of agreement and disagreement among five clinicians include: a) agreement/disagreement on the primary decision whether or not to extract: the data reveal a strong tendency towards consensus among the clinicians; b) agreement/disagreement on extraction pattern in patients in whom the clinician believes that extraction is indicated: the clinicians tended strongly to agree on extraction pattern; c) agreement/disagreement on the need for adjunctive orthognathic surgery: decisions favoring surgery were more common and more 'definite' than 'probable' in the adult cohort than in the adolescent cohort but this tendency was not as strong as had been anticipated; d) agreement/disagreement concerning Angle classification: disagreements were more common than had been anticipated; and e) differences among the individual clinicians as to their ratios of extraction/non-extraction decisions: overall, clinicians opted for extraction less frequently in the adolescent cohort than in the adult cohort (55 vs. 66%). Because the data are drawn from actual clinical experience, the conclusions involve a number of assumptions and their generalizability should be evaluated.
Baumrind, Sheldon; Ben-Bassat, Yocheved; Korn, Edward L.; Bravo, Luis Alberto; Curry, Sean
Mandibular remodeling measured on cephalograms. 1. Osseous changes relative to superimposition on metallic implants Journal Article
In: American Journal of Orthodontics and Dentofacial Orthopedics , no. 102, pp. 134-42, 1992.
@article{Baumrind1992,
title = {Mandibular remodeling measured on cephalograms. 1. Osseous changes relative to superimposition on metallic implants},
author = {Sheldon Baumrind and Yocheved Ben-Bassat and Edward L. Korn and Luis Alberto Bravo and Sean Curry},
url = {http://162.214.24.32/~crilorg/wp-content/uploads/2018/02/MANDREM1.pdf},
year = {1992},
date = {1992-01-01},
journal = {American Journal of Orthodontics and Dentofacial Orthopedics },
number = {102},
pages = {134-42},
abstract = {We report the results of a study aimed at quantifying remodeling of mandibular surfaces in a sample of growing children who represent those usually treated by orthodontists in the mixed and early adult dentition. The sample, 31 patients with metallic implants of the Bjork-type, was monitored at annual intervals between 81/2 and 151/2 years of age. (Maxillary remodeling changes for the sample have been reported earlier.) The present article reports findings concerning changes at condyle, gonion, menton, pogonion, and point B as identified on lateral ephalograms. Data are reported in the Frankfort plane frame of reference with the cephalograms from different time points superimposed on the metallic implants. Mean displacement at
condyle was larger than that at any other landmark and was similar in magnitude and direction to the observations of Bjork when the difference in orientation of the vertical axis in the two studies is taken into account. The mean displacement of gonion was in an upward and backward direction at an angle of approximately 45° to the Frankfort plane. Mean displacements at menton and pogonion were in a downward and backward direction but were very small. Mean displacement at point B was somewhat greater than that of menton and gonion, oriented in an upward and backward direction. Individual variation for most of the parameters measured was sufficiently large to warrant the inference that caution should be used when mean values are applied to the analysis of individual cases. (AM J ORTHOD DENTOFAC ORTHOP 1992; 102:134-42.)},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
We report the results of a study aimed at quantifying remodeling of mandibular surfaces in a sample of growing children who represent those usually treated by orthodontists in the mixed and early adult dentition. The sample, 31 patients with metallic implants of the Bjork-type, was monitored at annual intervals between 81/2 and 151/2 years of age. (Maxillary remodeling changes for the sample have been reported earlier.) The present article reports findings concerning changes at condyle, gonion, menton, pogonion, and point B as identified on lateral ephalograms. Data are reported in the Frankfort plane frame of reference with the cephalograms from different time points superimposed on the metallic implants. Mean displacement at
condyle was larger than that at any other landmark and was similar in magnitude and direction to the observations of Bjork when the difference in orientation of the vertical axis in the two studies is taken into account. The mean displacement of gonion was in an upward and backward direction at an angle of approximately 45° to the Frankfort plane. Mean displacements at menton and pogonion were in a downward and backward direction but were very small. Mean displacement at point B was somewhat greater than that of menton and gonion, oriented in an upward and backward direction. Individual variation for most of the parameters measured was sufficiently large to warrant the inference that caution should be used when mean values are applied to the analysis of individual cases. (AM J ORTHOD DENTOFAC ORTHOP 1992; 102:134-42.)
condyle was larger than that at any other landmark and was similar in magnitude and direction to the observations of Bjork when the difference in orientation of the vertical axis in the two studies is taken into account. The mean displacement of gonion was in an upward and backward direction at an angle of approximately 45° to the Frankfort plane. Mean displacements at menton and pogonion were in a downward and backward direction but were very small. Mean displacement at point B was somewhat greater than that of menton and gonion, oriented in an upward and backward direction. Individual variation for most of the parameters measured was sufficiently large to warrant the inference that caution should be used when mean values are applied to the analysis of individual cases. (AM J ORTHOD DENTOFAC ORTHOP 1992; 102:134-42.)
Curry, Sean; Baumrind, Sheldon; Anderson, J. M.
A technique for anatomic feature extraction and tracking on sequential digital X-ray images Journal Article
In: Photogrammetria, vol. 42, pp. 126-135, 1987.
@article{Curry1987,
title = {A technique for anatomic feature extraction and tracking on sequential digital X-ray images},
author = {Sean Curry and Sheldon Baumrind and J.M. Anderson},
url = {http://162.214.24.32/~crilorg/wp-content/uploads/2018/12/A-Technique-for-Anatomic-Feature-Extraction-and-Tracking-on-Sequential-Digital-X-Ray-Images.pdf},
year = {1987},
date = {1987-08-03},
journal = {Photogrammetria},
volume = {42},
pages = {126-135},
abstract = {The Craniofacial Research Instrumentation Laboratory at the University of California, San Francisco, has been developing systems for the acquisition and display of biostereometric data.
Stereo photographs and X-ray images of the head are used to analyze growth and treatment effects during orthodontic treatment and orthognathic sucgery. Recent efforts have been directed towards automating anatomic feature location and tracking on series of time-separated cranial X-rays. Two tests were performed to evaluate the potential accuracies that could be achieved in feature tracking. In both tests, a series of cranial X-rays was converted to digital images using an array camera [Charge Injection Device (CID)] connected to a real-time video digitizer module or "frame grabber" installed in a microcomputer. The first test series consisted of a single X-ray image which was translated and rotated three times. The second series of images consisted of three actual cranial X-rays of a single subject, acquired over a period of approximately two years. A number of anatomic features were manually selected on the first image of each series. The
features were automatically tracked on subsequent digital images, and their locations compared to those derived from manual digitizing of the original film images.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The Craniofacial Research Instrumentation Laboratory at the University of California, San Francisco, has been developing systems for the acquisition and display of biostereometric data.
Stereo photographs and X-ray images of the head are used to analyze growth and treatment effects during orthodontic treatment and orthognathic sucgery. Recent efforts have been directed towards automating anatomic feature location and tracking on series of time-separated cranial X-rays. Two tests were performed to evaluate the potential accuracies that could be achieved in feature tracking. In both tests, a series of cranial X-rays was converted to digital images using an array camera [Charge Injection Device (CID)] connected to a real-time video digitizer module or "frame grabber" installed in a microcomputer. The first test series consisted of a single X-ray image which was translated and rotated three times. The second series of images consisted of three actual cranial X-rays of a single subject, acquired over a period of approximately two years. A number of anatomic features were manually selected on the first image of each series. The
features were automatically tracked on subsequent digital images, and their locations compared to those derived from manual digitizing of the original film images.
Stereo photographs and X-ray images of the head are used to analyze growth and treatment effects during orthodontic treatment and orthognathic sucgery. Recent efforts have been directed towards automating anatomic feature location and tracking on series of time-separated cranial X-rays. Two tests were performed to evaluate the potential accuracies that could be achieved in feature tracking. In both tests, a series of cranial X-rays was converted to digital images using an array camera [Charge Injection Device (CID)] connected to a real-time video digitizer module or "frame grabber" installed in a microcomputer. The first test series consisted of a single X-ray image which was translated and rotated three times. The second series of images consisted of three actual cranial X-rays of a single subject, acquired over a period of approximately two years. A number of anatomic features were manually selected on the first image of each series. The
features were automatically tracked on subsequent digital images, and their locations compared to those derived from manual digitizing of the original film images.
Baumrind, Sheldon
A system for craniofacial mapping through the integration of data from stereo x-ray films and stereo photographs Journal Article
In: 1971.
@article{Baumrind1971,
title = {A system for craniofacial mapping through the integration of data from stereo x-ray films and stereo photographs},
author = {Sheldon Baumrind},
url = {http://162.214.24.32/~crilorg/wp-content/uploads/2018/12/A-system-for-craniofacial-mapping-through-the-integration-of-data-from-stereo-x-ray-films-and-stereo-photographs.pdf},
year = {1971},
date = {1971-01-01},
abstract = {Sheldon Baumrind is Associate Professor of Orthodontics at the Uni versity of California, San
Francisco, where he is in charge of research activities in the Division of Orthodontics. He
received his BS and DDS degrees from New York University and his MS degree from the
University of Oregon. His primary interest is in the development and application of new
instrumentation for craniofacial measurement and in the quantitative evaluation of the effects of
orthodontic treatment. Since 1968 he has been involved in studies on the reliability of
measurement on skull X-ray films, on the development of computer-aided methods for analysing
craniofacial data and, (in association with F. H. Moffitt, Professor of Engineering, Unive rsity of
California, Berkeley), on the development of quantitative stereo-radiographic and
stereo-photographic techniques for use in craniofacial research. These studies are supported by
Grants #DE03598 and #DE03703 from the National Institute for Dental Research, N.I.H.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Sheldon Baumrind is Associate Professor of Orthodontics at the Uni versity of California, San
Francisco, where he is in charge of research activities in the Division of Orthodontics. He
received his BS and DDS degrees from New York University and his MS degree from the
University of Oregon. His primary interest is in the development and application of new
instrumentation for craniofacial measurement and in the quantitative evaluation of the effects of
orthodontic treatment. Since 1968 he has been involved in studies on the reliability of
measurement on skull X-ray films, on the development of computer-aided methods for analysing
craniofacial data and, (in association with F. H. Moffitt, Professor of Engineering, Unive rsity of
California, Berkeley), on the development of quantitative stereo-radiographic and
stereo-photographic techniques for use in craniofacial research. These studies are supported by
Grants #DE03598 and #DE03703 from the National Institute for Dental Research, N.I.H.
Francisco, where he is in charge of research activities in the Division of Orthodontics. He
received his BS and DDS degrees from New York University and his MS degree from the
University of Oregon. His primary interest is in the development and application of new
instrumentation for craniofacial measurement and in the quantitative evaluation of the effects of
orthodontic treatment. Since 1968 he has been involved in studies on the reliability of
measurement on skull X-ray films, on the development of computer-aided methods for analysing
craniofacial data and, (in association with F. H. Moffitt, Professor of Engineering, Unive rsity of
California, Berkeley), on the development of quantitative stereo-radiographic and
stereo-photographic techniques for use in craniofacial research. These studies are supported by
Grants #DE03598 and #DE03703 from the National Institute for Dental Research, N.I.H.
Baumrind, Sheldon
A reconsideration of the pressure tension theory Journal Article
In: Am. J. Orthodontics, vol. 55, no. 1, pp. 12-22, 1969.
@article{Baumrind1969,
title = {A reconsideration of the pressure tension theory},
author = {Sheldon Baumrind},
url = {http://162.214.24.32/~crilorg/a-reconsideration-of-the-pressure-tension-theory_baumrindajo69-2/},
year = {1969},
date = {1969-01-01},
journal = {Am. J. Orthodontics},
volume = {55},
number = {1},
pages = {12-22},
abstract = {Classic hypotheses on the mechanism of tooth movement, based on the work
of Oppenheim,l Sandstedt,” and Schwarz,” postulate the movement of the tooth
within the periodontal space, generating a “pressure” side and a “tension”
side. On the “prcss~wc" side, cell replication is said to decrease as a result of
vascular constriction. On the “tension” side, cell replication is said to increase
because of the stimulation afforded by the stretching of the fiber bundles of
the periodontal ligament (I’DI,). In terms of fiber content, the 1’1)1~ on the
“pressure” side is said to display disorganization and diminution of fiber production,
while on the “tension” sidr, fiber production is said to bc stimulated.
The present article reports an attempt to test these h,vpothesex 1)~ means of
an autoracliogl~aphic study of isotopt-labclcd animals.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Classic hypotheses on the mechanism of tooth movement, based on the work
of Oppenheim,l Sandstedt,” and Schwarz,” postulate the movement of the tooth
within the periodontal space, generating a “pressure” side and a “tension”
side. On the “prcss~wc" side, cell replication is said to decrease as a result of
vascular constriction. On the “tension” side, cell replication is said to increase
because of the stimulation afforded by the stretching of the fiber bundles of
the periodontal ligament (I’DI,). In terms of fiber content, the 1’1)1~ on the
“pressure” side is said to display disorganization and diminution of fiber production,
while on the “tension” sidr, fiber production is said to bc stimulated.
The present article reports an attempt to test these h,vpothesex 1)~ means of
an autoracliogl~aphic study of isotopt-labclcd animals.
of Oppenheim,l Sandstedt,” and Schwarz,” postulate the movement of the tooth
within the periodontal space, generating a “pressure” side and a “tension”
side. On the “prcss~wc" side, cell replication is said to decrease as a result of
vascular constriction. On the “tension” side, cell replication is said to increase
because of the stimulation afforded by the stretching of the fiber bundles of
the periodontal ligament (I’DI,). In terms of fiber content, the 1’1)1~ on the
“pressure” side is said to display disorganization and diminution of fiber production,
while on the “tension” sidr, fiber production is said to bc stimulated.
The present article reports an attempt to test these h,vpothesex 1)~ means of
an autoracliogl~aphic study of isotopt-labclcd animals.
Garnett, Bella Shen; Mahood, Kimberly; Nguyen, Mai; Al-Khateeb, Aliaa; Liu, Siqi; Boyd, Robert; Oh, Heesoo
Cephalometric comparison of anterior openbite tx using clear aligners and fixed appliances Journal Article Forthcoming
In: Angle Orthodontist, Forthcoming.
@article{Garnett,
title = {Cephalometric comparison of anterior openbite tx using clear aligners and fixed appliances},
author = {Bella Shen Garnett and Kimberly Mahood and Mai Nguyen and Aliaa Al-Khateeb and Siqi Liu and Robert Boyd and Heesoo Oh},
doi = {10.2319/010418-4.1},
journal = {Angle Orthodontist},
abstract = {Objectives: To compare fixed appliances and clear aligner therapy in correcting anterior open biteand in controlling the vertical dimension in adult patients with hyperdivergent skeletal patterns.
Materials and Methods: In this retrospective study, two treatment groups of adult (_18 years old)hyperdivergent patients (mandibular plane angles of _388) with anterior open bites were included:17 fixed appliance patients and 36 clear aligner patients. Thirteen cephalometric measurementsrepresenting the vertical dimension were reported for each group. A two-sample t-test was used toassess differences in changes in mandibular plane angle and overbite between the two treatmentgroups.
Results: There were no statistical differences found in the magnitude of overbite correction and thechanges in any of the cephalometric measurements for vertical control. The clear aligner groupshowed a slightly greater amount of lower incisor extrusion (P . .009). The main mechanism ofopen bite correction was similar between the two treatment groups and was accomplished throughretroclination of the upper and lower incisors while maintaining the vertical position of the upper andlower molars.
Conclusions: Cephalometric comparison of anterior open bite correction and changes in themandibular plane angle associated with use of clear aligners and fixed appliances did notdemonstrate statistically significant differences in adult hyperdivergent patients. (Angle Orthod.0000;00:000–000.)},
keywords = {},
pubstate = {forthcoming},
tppubtype = {article}
}
Objectives: To compare fixed appliances and clear aligner therapy in correcting anterior open biteand in controlling the vertical dimension in adult patients with hyperdivergent skeletal patterns.
Materials and Methods: In this retrospective study, two treatment groups of adult (_18 years old)hyperdivergent patients (mandibular plane angles of _388) with anterior open bites were included:17 fixed appliance patients and 36 clear aligner patients. Thirteen cephalometric measurementsrepresenting the vertical dimension were reported for each group. A two-sample t-test was used toassess differences in changes in mandibular plane angle and overbite between the two treatmentgroups.
Results: There were no statistical differences found in the magnitude of overbite correction and thechanges in any of the cephalometric measurements for vertical control. The clear aligner groupshowed a slightly greater amount of lower incisor extrusion (P . .009). The main mechanism ofopen bite correction was similar between the two treatment groups and was accomplished throughretroclination of the upper and lower incisors while maintaining the vertical position of the upper andlower molars.
Conclusions: Cephalometric comparison of anterior open bite correction and changes in themandibular plane angle associated with use of clear aligners and fixed appliances did notdemonstrate statistically significant differences in adult hyperdivergent patients. (Angle Orthod.0000;00:000–000.)
Materials and Methods: In this retrospective study, two treatment groups of adult (_18 years old)hyperdivergent patients (mandibular plane angles of _388) with anterior open bites were included:17 fixed appliance patients and 36 clear aligner patients. Thirteen cephalometric measurementsrepresenting the vertical dimension were reported for each group. A two-sample t-test was used toassess differences in changes in mandibular plane angle and overbite between the two treatmentgroups.
Results: There were no statistical differences found in the magnitude of overbite correction and thechanges in any of the cephalometric measurements for vertical control. The clear aligner groupshowed a slightly greater amount of lower incisor extrusion (P . .009). The main mechanism ofopen bite correction was similar between the two treatment groups and was accomplished throughretroclination of the upper and lower incisors while maintaining the vertical position of the upper andlower molars.
Conclusions: Cephalometric comparison of anterior open bite correction and changes in themandibular plane angle associated with use of clear aligners and fixed appliances did notdemonstrate statistically significant differences in adult hyperdivergent patients. (Angle Orthod.0000;00:000–000.)
Oh, H; J, Park; Lagravere-Vich, M
Comparison of traditional RPE with two types of micro-implant assisted RPE: CBCT study. Journal Article
In: Semin Orthod, vol. 25, no. 1, pp. 60-68, 0000.
@article{Oh2019b,
title = {Comparison of traditional RPE with two types of micro-implant assisted RPE: CBCT study.},
author = {H Oh and Park J and M Lagravere-Vich },
url = {https://www.sciencedirect.com/science/article/pii/S1073874619300076},
doi = {10.1053/j.sodo.2019.02.007},
journal = {Semin Orthod},
volume = {25},
number = {1},
pages = {60-68},
abstract = {Recently, various types of the Micro-implant Assisted RPE (MARPE) were introduced to obtain greater skeletal expansion and to minimize dental effects. In the present study, we evaluated skeletal and dental effects immediately after the completion of expansion using three different types of expanders— a traditional tooth-anchored maxillary expander (TAME) and two different types of MARPE, bone-anchored maxillary expander (BAME) and tooth-bone-anchored expander (MSE) using CBCT in adolescents. Overall, the MSE group showed much greater skeletal changes than the TAME and BAME groups, especially, at the nasal floor, maxillary base, and palatal suture. About 72–78% of suture opening was at PNS, which indicates slightly more opening anteriorly than posteriorly; however, it was relatively parallel in nature than anticipated. In all three groups, the greatest transverse changes with expansion occurred at the molar crowns and the 2nd greatest changes at the palatal suture opening at ANS. It is suggested that MSE can be a great alternative method in correcting maxillary skeletal transverse deficiency.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Recently, various types of the Micro-implant Assisted RPE (MARPE) were introduced to obtain greater skeletal expansion and to minimize dental effects. In the present study, we evaluated skeletal and dental effects immediately after the completion of expansion using three different types of expanders— a traditional tooth-anchored maxillary expander (TAME) and two different types of MARPE, bone-anchored maxillary expander (BAME) and tooth-bone-anchored expander (MSE) using CBCT in adolescents. Overall, the MSE group showed much greater skeletal changes than the TAME and BAME groups, especially, at the nasal floor, maxillary base, and palatal suture. About 72–78% of suture opening was at PNS, which indicates slightly more opening anteriorly than posteriorly; however, it was relatively parallel in nature than anticipated. In all three groups, the greatest transverse changes with expansion occurred at the molar crowns and the 2nd greatest changes at the palatal suture opening at ANS. It is suggested that MSE can be a great alternative method in correcting maxillary skeletal transverse deficiency.
C, Thereza-Bussolaro; HS, Oh; M, Lagravere; C, Flores-Mir
Pharyngeal dimensional changes in class II malocclusion treatment when using Forsus® or intermaxillary elastics - An exploratory study. Journal Article
In: Int Orthod, vol. 17, no. 4, pp. 667-677, 0000.
@article{Bussolaro2019,
title = {Pharyngeal dimensional changes in class II malocclusion treatment when using Forsus® or intermaxillary elastics - An exploratory study.},
author = {Thereza-Bussolaro C and Oh HS and Lagravere M and Flores-Mir C },
url = {https://pubmed.ncbi.nlm.nih.gov/31492602/},
doi = {10.1016/j.ortho.2019.08.023},
journal = {Int Orthod},
volume = {17},
number = {4},
pages = {667-677},
abstract = {Pharyngeal airway obstruction can facilitate some forms of sleep disorder breathing (SDB) in susceptible children, especially in those having class II malocclusion. Changes in the anatomic areas surrounding the pharyngeal region during orthodontic treatment could hypothetically impact the pharyngeal airway dimensions. Management of a class II malocclusion on a growing individual with either intermaxillary elastics or different removable or fixed class II appliance designs have been proposed over the last century. The objective of this retrospective exploratory cohort study is to investigate to what extent the class II malocclusion treatment with either intermaxillary elastics (IME) or Forsus® fatigue resistance device (FFRD) leads to changes in oropharyngeal airway dimensions.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Pharyngeal airway obstruction can facilitate some forms of sleep disorder breathing (SDB) in susceptible children, especially in those having class II malocclusion. Changes in the anatomic areas surrounding the pharyngeal region during orthodontic treatment could hypothetically impact the pharyngeal airway dimensions. Management of a class II malocclusion on a growing individual with either intermaxillary elastics or different removable or fixed class II appliance designs have been proposed over the last century. The objective of this retrospective exploratory cohort study is to investigate to what extent the class II malocclusion treatment with either intermaxillary elastics (IME) or Forsus® fatigue resistance device (FFRD) leads to changes in oropharyngeal airway dimensions.
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