지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.6
- 수록면
- 11 - 20 (10page)
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초록· 키워드
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Purpose: This study sought to identify differences in hard and soft tissue chin profile changes in skeletal Class III patients after bimaxillary surgery, with or without advancement genioplasty.
Materials and Methods: The retrospective study was conducted based on cephalometric analysis of skeletal and soft tissue variables. Lateral cephalograms taken at 3 different time points were utilized: pre-operation (T0), immediately post-operation (T1), and at least 6 months (11.0±2.6 months) post-operation (T2). The 2 groups were matched for sample size (n=20 each). Data were analyzed using independent t-tests with Bonferroni correction.
Result: Group N (bimaxillary surgery alone) and Group G (bimaxillary surgery with an advancement genioplasty by horizontal sliding osteotomy) did not differ significantly in terms of demographic characteristics. The soft tissue chin thickness of Group G increased more after surgery, followed by a greater decrease during the postoperative period, and was eventually not significantly different from Group N at T2. On the other hand, the mentolabial sulcus depth of Group G (5.5±1.3 mm) was significantly greater than that of Group N (4.4±0.9 mm) (P=0.006) at T2.
Conclusion: Although Group G showed a statistically significantly greater decrease in soft tissue chin thickness during the postoperative period, there were no significant intergroup differences in the chin profile for at least 6 months after the surgery, except for the mentolabial sulcus depth, which was greater in Group G than in Group N.
Materials and Methods: The retrospective study was conducted based on cephalometric analysis of skeletal and soft tissue variables. Lateral cephalograms taken at 3 different time points were utilized: pre-operation (T0), immediately post-operation (T1), and at least 6 months (11.0±2.6 months) post-operation (T2). The 2 groups were matched for sample size (n=20 each). Data were analyzed using independent t-tests with Bonferroni correction.
Result: Group N (bimaxillary surgery alone) and Group G (bimaxillary surgery with an advancement genioplasty by horizontal sliding osteotomy) did not differ significantly in terms of demographic characteristics. The soft tissue chin thickness of Group G increased more after surgery, followed by a greater decrease during the postoperative period, and was eventually not significantly different from Group N at T2. On the other hand, the mentolabial sulcus depth of Group G (5.5±1.3 mm) was significantly greater than that of Group N (4.4±0.9 mm) (P=0.006) at T2.
Conclusion: Although Group G showed a statistically significantly greater decrease in soft tissue chin thickness during the postoperative period, there were no significant intergroup differences in the chin profile for at least 6 months after the surgery, except for the mentolabial sulcus depth, which was greater in Group G than in Group N.
목차
Introduction
Materials and Methods
Result
Discussion
Conclusion
References
참고문헌 (24)
참고문헌 신청
Ward JL / 2007 / The osseous genioplasty / Clin Plast Surg 34:485~500
Hoenig JF / 2007 / Sliding osteotomy genioplasty for facial aesthetic balance : 10 years of experience / Aesthetic Plast Surg 31:384~391
Farhad B. Naini / 2017 / Mentolabial angle and aesthetics: a quantitative investigation of idealized and normative values / Maxillofacial Plastic Reconstructive Surgery 39(2):1~7
Trauner R / 1957 / The surgical correction of mandibular prognathism and retrognathia with consideration of genioplasty. I. Surgical procedures to correct mandibular prognathism and reshaping of the chin / Oral Surg Oral Med Oral Pathol 10:677~689
Polido WD / 1993 / Long-term osseous and soft tissue changes after large chin advancements / J Craniomaxillofac Surg 21:54~59
Hoenig JF / 2007 / Sliding osteotomy genioplasty for facial aesthetic balance : 10 years of experience / Aesthetic Plast Surg 31:384~391
Farhad B. Naini / 2017 / Mentolabial angle and aesthetics: a quantitative investigation of idealized and normative values / Maxillofacial Plastic Reconstructive Surgery 39(2):1~7
Trauner R / 1957 / The surgical correction of mandibular prognathism and retrognathia with consideration of genioplasty. I. Surgical procedures to correct mandibular prognathism and reshaping of the chin / Oral Surg Oral Med Oral Pathol 10:677~689
Polido WD / 1993 / Long-term osseous and soft tissue changes after large chin advancements / J Craniomaxillofac Surg 21:54~59
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