Gingivit/parodontit i tonåren
Gingivit/parodontit i tonåren
Gingivit/parodontit i tonåren
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Plack hos 20-åringar 20 åringar i Jönköping<br />
% Individer<br />
50<br />
45<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
50%<br />
Plack<br />
1983<br />
1993<br />
Norderyd 1998