儿童口腔健康现状.pdf

14,040 57% 0~3 22% 3~6 19% 6~12 , 2% 12 49% 51% 6 20 ( ) 68.68% 31% 43% 50% 1 2 3 4 3~12 56.69% 34.74% 8.55% 41.23% 3-6 6-12 3-6 。