Journal of the Korean Association of Oral and Maxillofacial Surgeons

  • 제41권3호
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  • Pages.156-164
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  • 2015
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  • 2234-7550(pISSN)
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  • 2234-5930(eISSN)
대한구강악안면외과학회 (The Korean Association of Oral and Maxillofacial Surgeons)
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Stability of unilateral sagittal split ramus osteotomy for correction of facial asymmetry: long-term case series and literature review

  • Lee, Seong-Geun (Ilsan Ye Dental Clinic) ;
  • Kang, Young-Hoon (Department of Oral and Maxillofacial Surgery, School of Medicine and Institute of Health Science, Gyeongsang National University) ;
  • Byun, June-Ho (Department of Oral and Maxillofacial Surgery, School of Medicine and Institute of Health Science, Gyeongsang National University) ;
  • Kim, Uk-Kyu (Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University) ;
  • Kim, Jong-Ryoul (Department of Oral and Maxillofacial Surgery, Jaw and Face Surgery Center, On General Hospital) ;
  • Park, Bong-Wook (Department of Oral and Maxillofacial Surgery, School of Medicine and Institute of Health Science, Gyeongsang National University)
  • 투고 : 2015.01.08
  • 심사 : 2015.02.16
  • 발행 : 2015.06.30
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초록

Bilateral sagittal split ramus osteotomy is considered a standard technique in mandibular orthognathic surgeries to reduce unexpected bilateral stress in the temporomandibular joints. Unilateral sagittal split ramus osteotomy (USSO) was recently introduced to correct facial asymmetry caused by asymmetric mandibular prognathism and has shown favorable outcomes. If unilateral surgery could guarantee long-term postoperative stability as well as favorable results, operation time and the incidence of postoperative complications could be reduced compared to those in bilateral surgery. This report highlights three consecutive cases with long-term follow-up in which USSO was used to correct asymmetric mandibular prognathism. Long-term postoperative changes in the condylar contour and ramus and condylar head length were analyzed using routine radiography and computed tomography. In addition, prior USSO studies were reviewed to outline clear criteria for applying this technique. In conclusion, patients showing functional-type asymmetry with predicted unilateral mandibular movement of less than 7 mm can be considered suitable candidates for USSO-based correction of asymmetric mandibular prognathism with or without maxillary arch surgeries.

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참고문헌

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피인용 문헌

  1. Improvement in three-dimensional facial configuration and jaw motion following surgical orthodontic treatment of a case with jaw deviation vol.76, pp.3, 2015, https://doi.org/10.1016/j.odw.2017.04.001
  2. Comparison of condylar morphology changes and position stability following unilateral and bilateral sagittal split mandibular ramus osteotomy in patients with mandibular prognathism vol.15, pp.None, 2015, https://doi.org/10.1186/s13005-019-0202-z
  3. Unilateral sagittal split osteotomy: effect on mandibular symmetry in the treatment of class III with laterognathia vol.21, pp.1, 2015, https://doi.org/10.1186/s40510-020-00319-3