Journal of Oral Medicine and Pain

  • 제34권3호
  • /
  • Pages.277-294
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  • 2009
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  • 2288-9272(pISSN)
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  • 2383-8493(eISSN)
대한안면통증구강내과학회 (Korean Academy of Orofacial Pain and Oral Medicine)
권호 표지

청소년 및 성인 환자에서 II급 부정교합 치료시 연조직 변화에 관한 비교

Comparison of Soft Tissue Changes between Adolescents and Adults in Class II Malocclusion Treatment

  • 장나영 (원광대학교 치과대학 치과교정학교실) ;
  • 조진형 (원광대학교 치과대학 치과교정학교실) ;
  • 이유미 (원광대학교 치과대학 구강내과학 교실) ;
  • 강경화 (원광대학교 치과대학 치과교정학교실)
  • Chang, Na-Young (Dept. of Orthodontics, School of Dentistry, Wonkwang University) ;
  • Cho, Jin-Hyoung (Dept. of Orthodontics, School of Dentistry, Wonkwang University) ;
  • Lee, You-Mee (Dept. of Oral Medicine, School of Dentistry, Wonkwang University) ;
  • Kang, Kyung-Hwa (Dept. of Orthodontics, School of Dentistry, Wonkwang University)
  • 발행 : 2009.09.30
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초록

본 연구의 목적은 II급 청소년, 성인 환자에서 발치와 비발치 후 연조직 변화를 비교하기 위한 것이었다. 원광대학교 치과병원 교정과에 내원한 환자 68명을 각각 청소년발치군, 청소년비발치군, 성인발치군, 성인비발치군으로 분류하여 치료 전후의 측모 두부방사선사진을 계측하였다. 각 군의 치료 전후를 비교하고 각 군 간의 변화량을 비교하였으며, 그 중 통계적으로 유의한 변수들의 상관성과 회귀분석을 하여 다음과 같은 결과를 얻었다. 청소년과 성인의 발치군에서 비순각은 유의하게 증가하였고 비발치군에서는 유의하게 감소하였다. 발치군에서는 vertical-U1과 E line-upper lip의 변화량 간에, vertical-U1과 E line-lower lip의 변화량 간에, vertical-L1과 vertical-Li의 변화량 간에 양의 상관관계를 보였다. 또한 발치군에서 회귀분석을 통해 E line-upper lip, E line-lower lip, Li에 대한 단순회귀방정식이 도출되었다.

The purpose of this study was to evaluate the soft tissue changes of class II adolescents and adults in respect to extraction or nonextraction. The study included 68 patients from Wonkwang Dental Hospital were categorized to adolescent extraction group, adolescent nonextraction group, adult extraction group, adult nonextraction group. Cephalometric tracing of each patient was done to compare pretreatment and posttreatment of each group, to compare the changes between groups. And among the variables that showed significancy, correlation analysis and simple linear regression were done. The results were as follows. 1. In both adolescents and adults after extraction treatment, nasolabial angle significantly increased and in both subjects after non extraction treatment, nasolabial angle significantly decreased. 2. In extraction subjects, there were positive correlation between the amount of treatment changes of vertical-U1 and E line-upper lip, the changes of vertical-L1 and E line-lower lip, the changes of vertical-L1 and vertical-Li. 3. In extraction subjects, simple regression equations of E line-upper lip, E line-lower lip, Li were calculated by regression analysis. According to the results above, it could be considered that the effect of the extraction or nonextraction treatment was greater than the effect of growth.

키워드

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