دورية أكاديمية
Site and severity of facial asymmetry after bimaxillary surgery for class III deformity: a case-control study.
| العنوان: | Site and severity of facial asymmetry after bimaxillary surgery for class III deformity: a case-control study. |
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| المؤلفون: | Wang TH; Graduate Institute of Dental and Craniofacial Science, Chang Gung University, Taoyuan, Taiwan.; Department of Craniofacial Orthodontics, Chang Gung Memorial Hospital, No. 123, Dinghu Road, Guishan District, Taoyuen City, 333, Taiwan.; Craniofacial Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan., Chen YF; Craniofacial Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan.; Department of Craniofacial Orthodontics, Chang Gung Memorial Hospital, Taipei, Taiwan., Chen YA; Craniofacial Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan.; Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan., Yao CF; Craniofacial Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan.; Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan., Xi T; Department of Oral and Maxillofacial Surgery, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands., Liao YF; Graduate Institute of Dental and Craniofacial Science, Chang Gung University, Taoyuan, Taiwan. yufang@cgmh.org.tw.; Department of Craniofacial Orthodontics, Chang Gung Memorial Hospital, No. 123, Dinghu Road, Guishan District, Taoyuen City, 333, Taiwan. yufang@cgmh.org.tw.; Craniofacial Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan. yufang@cgmh.org.tw., Chen YR; Graduate Institute of Dental and Craniofacial Science, Chang Gung University, Taoyuan, Taiwan.; Craniofacial Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan.; Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan. |
| المصدر: | Clinical oral investigations [Clin Oral Investig] 2024 May 23; Vol. 28 (6), pp. 334. Date of Electronic Publication: 2024 May 23. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Springer-Verlag Country of Publication: Germany NLM ID: 9707115 Publication Model: Electronic Cited Medium: Internet ISSN: 1436-3771 (Electronic) Linking ISSN: 14326981 NLM ISO Abbreviation: Clin Oral Investig Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: Berlin : Springer-Verlag Original Publication: Berlin : Springer, c1997- |
| مواضيع طبية MeSH: | Facial Asymmetry*/surgery , Facial Asymmetry*/diagnostic imaging , Malocclusion, Angle Class III*/surgery , Malocclusion, Angle Class III*/diagnostic imaging , Cone-Beam Computed Tomography* , Orthognathic Surgical Procedures*/methods, Humans ; Case-Control Studies ; Female ; Male ; Treatment Outcome ; Adult ; Anatomic Landmarks ; Severity of Illness Index ; Adolescent ; Osteotomy, Le Fort |
| مستخلص: | Objectives: The study aimed (1) to evaluate the site and severity of facial asymmetry in Class III patients before and after bimaxillary surgery, and (2) to identify the influence of initial severity and positional jaw asymmetry on residual facial asymmetry. Materials and Methods: Preoperative and postoperative cone-beam computed tomography of 65 patients with Class III facial asymmetry who underwent bimaxillary surgery were evaluated. Five midline and 14 paramedian facial soft tissue landmarks were identified to assess facial asymmetry. The outcomes were compared to a control group consisting of 30 age- and gender-matched Class I subjects. The postoperative positional jaw asymmetry (i.e., shift, roll, yaw) of each osteotomy segment (maxilla, mandible, chin, ramus) was also measured. Results: Before surgery, the asymmetry was more severe at the chin, middle and lower contour. Bimaxillary surgery effectively corrected facial asymmetry, particularly in achieving normalization of chin deviation. However, significant asymmetry persisted postoperatively in the middle and lower contour (p < 0.001 and p < 0.01, respectively), which was affected by the positional ramus asymmetry in the roll and shift. Conclusions: Deviation of the chin, middle and lower contour contributed significantly to overall facial asymmetry in Class III asymmetry. Despite normalization of the chin deviation after bimaxillary surgery, asymmetry persisted at the middle and lower contour, primarily as the result of insufficient correction of the positional ramus asymmetry. Clinical Relevance: Understanding the residual asymmetry after bimaxillary surgery is important for minimizing deviation and optimizing the surgical planning for its correction. (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.) |
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| فهرسة مساهمة: | Keywords: CBCT; Class III malocclusion; Facial asymmetry; Orthognathic surgery; Outcome; Three-dimensional |
| تواريخ الأحداث: | Date Created: 20240523 Date Completed: 20240523 Latest Revision: 20240701 |
| رمز التحديث: | 20240702 |
| DOI: | 10.1007/s00784-024-05729-9 |
| PMID: | 38780816 |
| قاعدة البيانات: | MEDLINE |
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Full Text Finder | تدمد: | 1436-3771 |
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| DOI: | 10.1007/s00784-024-05729-9 |