호남지역 부정교합 환자의 내원상태에 관한 연구
A Study on Patients Distribution with Malocclusion in th HONAM Province
조택순, 이동주,
소속 상세정보
조택순 ( Cho Tak-Soon ) - 조선대학교 치과대학 교정학교실
이동주 ( Lee Dong-Joo ) - 조선대학교 치과대학 교정학교실
KMID : 0353319860100010045
Abstract
The types and distribution of malocclusion were studied according to year, age and sex The subjects except primary dentition were 799 patients who were analyzed in the orthodontic department, infirmary of dental college, Chosun University.
The results were as follows
1. The! number of patients was increased by average 19.9ib per year. The age of patients was decreased gradually andll year old patients were most numerous.
2. The number of female was 1. 7times larger than that of male.
3. In the Angle´s classification of malocclusion, Class I malocclusion was 50.8%, Class B malocclusion was 23.5% and Class I malocclusion was 25.7%.
4. The rate of Class 1 malocclusion of female was greater than that of male (53.1%) and rate of Class J. malocclusion. of male was greater than that of female (31.6 %)
5. In the Class j malocclusion, crowding was most ´frequent (37%) and spacing was next.
6. In the types of Class I malocclusion, posteriorly positioned maxilla and mandible to the cranial base was most frequent (25.3%).
7. In the types Class I malocclusion, normally positioned maxilla and anteriorly- positioned mandible to the cranial base was most frequent (27.3%).
8. The 37 %of patients had abnormality of vertical relationship.
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