作者: L. M. Carr
DOI: 10.1111/J.1834-7819.1988.TB01315.X
关键词:
摘要: Dental caries and oral hygiene indices for school children aged four to 13 years have been determined each year since 1977. This report is based on 6 228 972 examinations. For six the mean DIMF declined by 59.3 per cent. 12-year-old from 4.79 in 1977 2.13 1985; it calculated that index this age group will be 1.5 1991. While a major decline dental has observed, significant proportion of continue problem. Girls all ages had lower than boys; girls boys combined 26 cent period 1985.