학술논문
한국인의 악교정수술후 상악골 이동에 따른 연조직 변화에 관한 연구
이용수 3
- 영문명
- Soft tissue changes with maxillary movements in Korean following orthognathic surgery
- 발행기관
- 대한구강악안면외과학회
- 저자명
- 최진호(Jin Ho Choi) 박형식(Hyung Sik Park)
- 간행물 정보
- 『대한구강악안면외과학회지』대한구강악안면외과학회지 제18권 제3호, 31~43쪽, 전체 13쪽
- 주제분류
- 의약학 > 내과학
- 파일형태
- 발행일자
- 1992.07.30
4,360원
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국문 초록
영문 초록
Prediction of the soft tissue changes following hard tissue movement is very important from the aesthetic view point for patients who have orthognathic surgery.
This study was performed to obtain the predictable ratio of post-operative soft tissue changes of the midfacial measurement value following maxillary movement according to various type of Le Fort-Ⅰ osteotomy for orthognathic purposes.
Fifty patients (36 males and 14 females) of Koreans who had undergone surgical alterations of the maxilla were selected and classified into four groups depending upon the type of maxillary movements by means of the Le Fort-Ⅰ osteotomy: Group Ⅰ(13 patients) was moved by posterior impaction, Group Ⅱ(18 patients) was moved by posterior impaction and advancement simultaneously, Group Ⅲ (9 patients) was moved by advancement only, and Group Ⅳ (10 patients) was moved by superior repositioning both anteriorly and posteriorly. Post-operative changes of the soft tissue measurements according to changes of the hard tissue measurements were examined on pre- and post-operative cephalometrics and the ratio of changes were analyzed.
The results obtained were as follows:
1. Soft tissue measures were closely correlated to changes of the maxillary skeleton in the horizontal plane, but soft tissue measures in the vertical plane did not correlate to maxillary movement.
2. In the posterior impaction type, the predictable ratio of the Pn was 30% of the ANS, the Cm was 40% of the ANS, the Sn was 50% of the ANS, the Ls was 40% of the Pr, and the Stm was 60% of the Ⅰ in the horizontal plane.
3. In the posterior impaction and advancement type, the predictable ratio of the Pn was 45% of mean of the ANS and A, the Cm was 55% of mean of the ANS and A, the Sn was 65% of mean of the ANS and A, the Ls was 60% of mean of the A and I, the Stm was 70% of the I in the horizontal plane.
4. In the advancement type only, the predictable ratio of the Pn was 50% of the A, the Stm was 20% of the Pr in the horizontal plane. The ratio of changes in the Sn was 60% of the ANS, but there was no statistically significantly difference.
5. In the superior repositioning type, all ratios of soft tissue changes were not predictable.
6. All ratios of changes in the thickness, length and area of upper lip, following maxillary movement, was largest in group Ⅱ, however, the magnitude of this ratio was so little that there was no clinical significance.
목차
Abstract
I. 서론
II. 연구재료 및 방법
III. 연구성적
IV. 총괄 및 고찰
V. 결론
참고문헌
키워드
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