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-各都道府県の3歳児歯科検診結果- [厚生労働省・母子保健課調べ]
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日本全国平均値の経年推移(都道府県の結果を合計して算出)
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年度 |
都道府県数 |
受診児数 |
有病者数 |
う蝕歯総数 |
有病者率(%) |
一人平均う歯数(dmft) |
1981 |
46 |
1,293,513 |
798,916 |
4,275,890 |
61.8 |
3.31 |
1982 |
46 |
1,234,078 |
753,428 |
4,030,056 |
61.1 |
3.27 |
1983 |
46 |
1,215,854 |
729,919 |
3,855,348 |
60.0 |
3.17 |
1984 |
46 |
1,185,124 |
699,625 |
3,664,355 |
59.0 |
3.09 |
1985 |
46 |
1,192,325 |
670,416 |
3,493,782 |
56.2 |
2.93 |
1986 |
46 |
1,198,433 |
681,034 |
3,515,456 |
56.8 |
2.93 |
1987 |
46 |
1,179,206 |
648,626 |
3,342,548 |
55.0 |
2.83 |
1988 |
46 |
1,137,755 |
635,054 |
3,302,823 |
55.8 |
2.90 |
1989 |
47 |
1,135,302 |
619,252 |
3,228,004 |
54.5 |
2.84 |
1990 |
47 |
1,127,256 |
599,336 |
3,094,785 |
53.2 |
2.75 |
1991 |
47 |
1,107,022 |
576,564 |
2,934,714 |
52.1 |
2.65 |
1992 |
47 |
1,067,384 |
544,231 |
2,730,591 |
51.0 |
2.56 |
1993 |
47 |
1,046,068 |
513,706 |
2,453,757 |
49.1 |
2.35 |
1994 |
47 |
1,045,568 |
504,713 |
2,472,684 |
48.3 |
2.36 |
1995 |
47 |
1,034,921 |
464,474 |
2,171,260 |
44.9 |
2.10 |
1996 |
47 |
1,024,757 |
435,093 |
2,002,523 |
42.5 |
1.95 |
1997 |
47 |
1,080,311 |
445,361 |
2,030,244 |
41.2 |
1.88 |
1998 |
47 |
1,033,336 |
413,918 |
1,885,779 |
40.1 |
1.82 |
1999 |
47 |
1,045,664 |
391,936 |
1,746,232 |
37.5 |
1.67 |
2000 |
47 |
1,042,396 |
367,267 |
1,583,398 |
35.2 |
1.52 |
2001 |
47 |
1,050,463 |
353,341 |
1,529,035 |
33.6 |
1.46 |
2002 |
47 |
1,052,341 |
339,594 |
1,464,398 |
32.3 |
1.39 |
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