Abstract
Dental examinations of 1,895 first year students of nine Sydney metropolitan State high schools were carried out in 1972. The schools were chosen from three socio-economic areas representing upper-middle, lower-middle, and working class groups. Minimal differences were shown in the prevalence of dental diseases, treatment needs, and dental practices between the upper-middle and lower-middle socio-economic groups. The working class group showed a higher prevalence of dental caries, gingivitis, and treatment needs and reported different dental health practices from the other groups.
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