Figure. 7: Changing levels of dental caries experience (DMFT) among 12-year-olds in developed and developing countries

Source: Dr. Poul Erik Petersen, World Health Organization

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1980 1981 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998

Developed countries All countries Developing countries

DMFT