DENTAL HEALTH INDEX OF UPPER AND LOWER FIRST PERMANENT MOLAR OF D PRIMARY SCHOOL CHILDREN IN SEOUL

서울시내 D국민학교 아동의 상악및 하악제일대구치의 치아건강지수

Statistically inquiring into dental health index of upper and lower first permanent molar for 1520 pupils of primary school in seoul. I got a conclusion as follows: 1. Lower first permanent molar was lower than upper first permanent molar in dental health index and conversely in DMF rate. 2. Elder pupils were lower than younger pupils in dental health index and conversely in DMF rate.