The Distribution and Trend of Malocclusion Patients Visited at Department of Dentistry in Orthodontics

영남대학교 의과대학 부속병원 치과교정과에 내원한 부정교합 환자의 분포 및 변동추이

1,050 patients who visited orthodontic dental department from 1983 to 1994, were surveyed on the yearly tendency of orthodontic patient distribution and state by means of Angle's classification. The results were as follows: 1. There was increased visiting rate of patient per year and higher visiting rate in female than in male. 2. 8-15 age group was 61.4% in total visiting patients and over 20 age group was 18.5%, under 7 age group was 8.1% 3. Class I malocclusion was 42.2%, class II div 1 was 22.5%, class II-2 was 3.9%, class III was 29.1% and cleft lip & palate was 2.0% in total visiting patient. 4. As showed the living distribution, Namgu and Susunggu's patients were 43.7% of the total patients. 5. There was increased tendency for the number of the patient to be recieved orthognathic surgery.

1983년부터 1994년 상반기까지 영남대학교 의과대학 부속병원 치과교정과에 내원한 1,050명의 진단기록 및 석고모형을 Angle씨 분류법으로 분류하고 성별, 연령별 분포 및 변동 추이에 대해 분석 해 본 결과 다음과 같은 결론을 얻었다. 거의 매년 환자의 내원율이 증가하였으며 남자에 비해 여자의 내원율이 높았다. 8세-15세 연령군이 전체 내원 환자수의 61.4%를 나타내었으며 20세 이상의 연령균은 18.5%, 7세 이하 연령군은 8.1%를 나타내었다. class I 은 42.2%, class II div 1은 22.5%, class II div 2는 3.9%, class III은 29.1%, 구순구개열 화자는 2.0%를 나타내었다. 외과적 교정 환자의 수가 증가하는 추세에 있었다.