서울시내에 거주하는 13세-15세 청소년들의 부정교합에 관한 역학적 연구
PREVALENCE AND SEVERITY OF MALOCCLUSION IN CHILDREN 13 TO 15 YEARS OF AGE LIVING IN SEOUL
송경원, 김진태,
소속 상세정보
송경원 ( ) - 서울대학교 의과대학 산부인과학교실
김진태 ( ) - 서울대학교 치과대학 소아치과학교실
KMID : 0358919840110010121
Abstract
결론
서울시내 9개 중학교의 13세-15세 청소년 981명 (남: 467, 여: 1 514)를 대상으로 HMAR
과 Angle 분류법에 의거하여 부정교합의 발생빈도, 심도 및 치료요구도를 조사한 결과 다음
과 같은 결론을 얻었다.
1. HMAR법에 의한 평가 결과 조사대상의 12.1%가 훌륭한 교합을 소지한 것으로 나타났
다(score 0)
2. 조사대상의 14%는 “교정치료가 매우 바람직하다” 와 “치료가 반드시 필요하다”로
평가되었다.
3. HMAR을 단독 사용했을때 보다 보조기록부를 함께 사용했을때 부정교합의 심도분석이
더 민감하게 나타났다.
4. Angle씨 분류에 의하면 전체 부정교합 中 Class I이 77.4 %, Class Ⅱ, Division 1이
1.3%, Class Ⅱ, Division 2가 0.9% Class Ⅲ가 11.3%를 점유하였다.
5. Angle Class I의 HMAR 평균치는 Class Ⅱ, Division 1 이나 Class Ⅲ의 평균치보다
낮았다.
6. “치료요구도”와 HMAR 점수사이에는 연관성이 있었으며 “치료요구도”가 커질수록
HMAR 평균치도 높게 나타났다.
#초록#
Childrens between the ages of 13 ails 15 years, living in Seoul, were examined in
order to determine the prevalence and severity of malocclusion in the permanent
dentition.
This survey encompassed 981 children and an individual chart was prepared for each
subject recording an origin HMAR score and classification of occlusion according to
Angle.
Also, subjective evaluation of “treatment needs” was carried out in 581 children.
The results were as follows:
1. Of the 981 children in this survey, 12.1 percent showed excellent occlusion.(0 point)
2. The 14 percent of the children who had a score of 24 and above all appeared to
belong to the “treatment highly desirable” or “treatment mandatory” category.
3. The incorporation of SAR (Supplementary Assessment Record) into the HMAR can
provide more sensitive method for evaluating severity of malocclusion.
4. According to Angle’s classification 77.4 percent of all malocclusion belonged to
Class Ⅰ, 1.3 percent to Class Ⅱ, Division 1, 0.9 percent to Class Ⅱ, Division 2, and
11.3 percent to Class Ⅲ.
5. The mean HMAR score for Class I was significantly lower than for either Class
Ⅱ, Division 1 or Class Ⅲ.(P<0.05)
6. A close relationship was found between the degree If “treatment needs” and the
value obtained by the HMAR scoring. (chi-square test, p<0.05) The differences between
the mean HMAR scores of the various subjectively defined categories were statistically
significant.(P<0.001)
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