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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한악안면성형재건외과학회 Maxillofacial Plastic Reconstructive Surgery Maxillofacial Plastic Reconstructive Surgery 제43권
- 발행연도
- 2021.12
- 수록면
- 1 - 9 (9page)
- DOI
- 10.1186/s40902-021-00319-1
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초록· 키워드
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Background: This study evaluated the pharyngeal airway space changes up to 1 year after bilateral sagittal splitosteotomy mandibular setback surgery and bimaxillary surgery with maxillary posterior impaction through threedimensional computed tomography analysis.
Methods: A total of 37 patients diagnosed with skeletal class III malocclusion underwent bilateral sagittal splitosteotomy setback surgery only (group 1, n = 23) or bimaxillary surgery with posterior impaction (group 2, n = 14).
Cone-beam computed tomography scans were taken before surgery (T0), 2 months after surgery (T1), 6 monthsafter surgery (T2), and 1 year after surgery (T3). The nasopharynx (Nph), oropharynx (Oph), hypopharynx (Hph)volume, and anteroposterior distance were measured through the InVivo Dental Application version 5.
Results: In group 1, Oph AP, Oph volume, Hph volume, and whole pharynx volume were significantly decreasedafter the surgery (T1) and maintained. In group 2, Oph volume and whole pharynx volume were decreased (T2) andrelapsed at 1 year postoperatively (T3).
Conclusion: In class III malocclusion patients, mandibular setback surgery only showed a greater reduction inpharyngeal airway than bimaxillary surgery at 1 year postoperatively, and bimaxillary surgery was more stable interms of airway. Therefore, it is important to evaluate the airway before surgery and include it in the surgical plan.
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