Surgical-orthodontic treatment for class II asymmetry: outcome and influencing factors

The study aimed to evaluate the treatment outcome of bimaxillary surgery for class II asymmetry and find the influencing factors for residual asymmetry. Cone-beam computed tomographic images of 30 adults who had bimaxillary surgery were acquired, and midline and contour landmarks of soft tissue and...

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Bibliographic Details
Published in:Scientific reports 2019-11, Vol.9 (1), p.17956-10, Article 17956
Main Authors: Chen, Yun-Fang, Liao, Yu-Fang, Chen, Ying-An, Chen, Yu-Ray
Format: Article
Language:English
Subjects:
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Adult
Asymmetry
Computed tomography
Facial Asymmetry - surgery
Female
Humanities and Social Sciences
Humans
Incisors
Jaw
Male
Malocclusion, Angle Class II - surgery
Mandible
Maxilla - surgery
Middle Aged
multidisciplinary
Orthodontics
Orthognathic Surgical Procedures
Osteotomy
Osteotomy, Le Fort
Osteotomy, Sagittal Split Ramus
Science
Science (multidisciplinary)
Surgery
Teeth
Treatment Outcome
Young Adult
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Summary:The study aimed to evaluate the treatment outcome of bimaxillary surgery for class II asymmetry and find the influencing factors for residual asymmetry. Cone-beam computed tomographic images of 30 adults who had bimaxillary surgery were acquired, and midline and contour landmarks of soft tissue and teeth were identified to assess treatment changes and outcome of facial asymmetry. The postoperative positional asymmetry of each osteotomy segment was also measured. After surgery, the facial midline asymmetry of the mandible, chin, and lower incisors improved significantly (all p 
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-019-54317-5