Publications
2018
J, Bianchi; Guilherme, M P; Leonardo, K; Jaqueline, I; Larry, M W; Joao, R G
Three-dimensional stability analysis of maxillomandibular advancement surgery with and without articular disc repositioning Journal Article
In: J Craniomaxillofacial Surgery, vol. 46, no. 8, pp. 1348-1354, 2018.
Abstract | BibTeX | Tags: Cone-beam computed tomography, imaging, Orthognathic Surgery, Temporomandibular Joint Disc, three-dimensional
@article{Bianchi2018,
title = {Three-dimensional stability analysis of maxillomandibular advancement surgery with and without articular disc repositioning},
author = {Bianchi J and M P Guilherme and K Leonardo and I Jaqueline and M W Larry and R G Joao },
year = {2018},
date = {2018-08-00},
urldate = {2018-08-00},
journal = {J Craniomaxillofacial Surgery},
volume = {46},
number = {8},
pages = {1348-1354},
abstract = {This retrospective cohort study aimed to assess, three-dimensionally, mandible and maxilla changes following maxillomandibular advancement (MMA), with and without repositioning of TMJ articular discs. The sample comprised cone-beam computed tomography data from 32 subjects: group 1 (n = 12) without disc displacement and group 2 (n = 20) with bilateral disc repositioning. An automatic cranial base superimposition method was used to register the images at three time points: T1 (preoperative), T2 (postoperative), and T3 (at least 11 months follow-up). To assess surgical changes (T2-T1) and adaptive responses (T3-T2), the images were compared quantitatively and qualitatively using the shape correspondence method. The results showed that surgical displacements were similar in both groups for all the regions of interest except the condyles, which moved in opposite directions - group 1 to superior and posterior positions, and group 2 to inferior and anterior positions. For adaptive responses, we observed high individual variability, with lower variability in group 2. Sagittal relapse was similar in both groups. In conclusion, there were no significant differences in skeletal stability between the two groups. The maxillomandibular advancement surgeries, with rotation of the occlusal plane, had stable results for both groups immediately after surgery and at 1-year follow-up.},
keywords = {Cone-beam computed tomography, imaging, Orthognathic Surgery, Temporomandibular Joint Disc, three-dimensional},
pubstate = {published},
tppubtype = {article}
}
This retrospective cohort study aimed to assess, three-dimensionally, mandible and maxilla changes following maxillomandibular advancement (MMA), with and without repositioning of TMJ articular discs. The sample comprised cone-beam computed tomography data from 32 subjects: group 1 (n = 12) without disc displacement and group 2 (n = 20) with bilateral disc repositioning. An automatic cranial base superimposition method was used to register the images at three time points: T1 (preoperative), T2 (postoperative), and T3 (at least 11 months follow-up). To assess surgical changes (T2-T1) and adaptive responses (T3-T2), the images were compared quantitatively and qualitatively using the shape correspondence method. The results showed that surgical displacements were similar in both groups for all the regions of interest except the condyles, which moved in opposite directions - group 1 to superior and posterior positions, and group 2 to inferior and anterior positions. For adaptive responses, we observed high individual variability, with lower variability in group 2. Sagittal relapse was similar in both groups. In conclusion, there were no significant differences in skeletal stability between the two groups. The maxillomandibular advancement surgeries, with rotation of the occlusal plane, had stable results for both groups immediately after surgery and at 1-year follow-up.
J, Bianchi; Guilherme, M P; Leonardo, K; Jaqueline, I; Larry, M W; Joao, R G
Three-dimensional stability analysis of maxillomandibular advancement surgery with and without articular disc repositioning Journal Article
In: J Craniomaxillofacial Surgery, vol. 46, no. 8, pp. 1348-1354, 2018.
@article{Bianchi2018,
title = {Three-dimensional stability analysis of maxillomandibular advancement surgery with and without articular disc repositioning},
author = {Bianchi J and M P Guilherme and K Leonardo and I Jaqueline and M W Larry and R G Joao },
year = {2018},
date = {2018-08-00},
urldate = {2018-08-00},
journal = {J Craniomaxillofacial Surgery},
volume = {46},
number = {8},
pages = {1348-1354},
abstract = {This retrospective cohort study aimed to assess, three-dimensionally, mandible and maxilla changes following maxillomandibular advancement (MMA), with and without repositioning of TMJ articular discs. The sample comprised cone-beam computed tomography data from 32 subjects: group 1 (n = 12) without disc displacement and group 2 (n = 20) with bilateral disc repositioning. An automatic cranial base superimposition method was used to register the images at three time points: T1 (preoperative), T2 (postoperative), and T3 (at least 11 months follow-up). To assess surgical changes (T2-T1) and adaptive responses (T3-T2), the images were compared quantitatively and qualitatively using the shape correspondence method. The results showed that surgical displacements were similar in both groups for all the regions of interest except the condyles, which moved in opposite directions - group 1 to superior and posterior positions, and group 2 to inferior and anterior positions. For adaptive responses, we observed high individual variability, with lower variability in group 2. Sagittal relapse was similar in both groups. In conclusion, there were no significant differences in skeletal stability between the two groups. The maxillomandibular advancement surgeries, with rotation of the occlusal plane, had stable results for both groups immediately after surgery and at 1-year follow-up.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
This retrospective cohort study aimed to assess, three-dimensionally, mandible and maxilla changes following maxillomandibular advancement (MMA), with and without repositioning of TMJ articular discs. The sample comprised cone-beam computed tomography data from 32 subjects: group 1 (n = 12) without disc displacement and group 2 (n = 20) with bilateral disc repositioning. An automatic cranial base superimposition method was used to register the images at three time points: T1 (preoperative), T2 (postoperative), and T3 (at least 11 months follow-up). To assess surgical changes (T2-T1) and adaptive responses (T3-T2), the images were compared quantitatively and qualitatively using the shape correspondence method. The results showed that surgical displacements were similar in both groups for all the regions of interest except the condyles, which moved in opposite directions - group 1 to superior and posterior positions, and group 2 to inferior and anterior positions. For adaptive responses, we observed high individual variability, with lower variability in group 2. Sagittal relapse was similar in both groups. In conclusion, there were no significant differences in skeletal stability between the two groups. The maxillomandibular advancement surgeries, with rotation of the occlusal plane, had stable results for both groups immediately after surgery and at 1-year follow-up.
2018 |
J, Bianchi; Guilherme, M P; Leonardo, K; Jaqueline, I; Larry, M W; Joao, R G: Three-dimensional stability analysis of maxillomandibular advancement surgery with and without articular disc repositioning. In: J Craniomaxillofacial Surgery, vol. 46, no. 8, pp. 1348-1354, 2018. (Type: Journal Article | Abstract | BibTeX | Tags: Cone-beam computed tomography, imaging, Orthognathic Surgery, Temporomandibular Joint Disc, three-dimensional)@article{Bianchi2018, This retrospective cohort study aimed to assess, three-dimensionally, mandible and maxilla changes following maxillomandibular advancement (MMA), with and without repositioning of TMJ articular discs. The sample comprised cone-beam computed tomography data from 32 subjects: group 1 (n = 12) without disc displacement and group 2 (n = 20) with bilateral disc repositioning. An automatic cranial base superimposition method was used to register the images at three time points: T1 (preoperative), T2 (postoperative), and T3 (at least 11 months follow-up). To assess surgical changes (T2-T1) and adaptive responses (T3-T2), the images were compared quantitatively and qualitatively using the shape correspondence method. The results showed that surgical displacements were similar in both groups for all the regions of interest except the condyles, which moved in opposite directions - group 1 to superior and posterior positions, and group 2 to inferior and anterior positions. For adaptive responses, we observed high individual variability, with lower variability in group 2. Sagittal relapse was similar in both groups. In conclusion, there were no significant differences in skeletal stability between the two groups. The maxillomandibular advancement surgeries, with rotation of the occlusal plane, had stable results for both groups immediately after surgery and at 1-year follow-up. |