打开电视机、收音机,你就会看到和听到补钙的广告,走在街头巷尾随处可见补钙的各种广告,难道补钙就能壮骨防龋吗?这样大张旗鼓地长期补钙为何在很多地区效果不好呢?原来壮骨防龋还需多种因素。一、人体骨骼和牙齿生长发育所需的营养素骨骼和牙齿都是人体最坚硬的组织,其营养代 Turn on the TV, radio, you will see and hear the ads of calcium, walking in the streets and lanes everywhere ads of calcium, is it calcium will be able to prevent bone caries it? Such a big way why the long-term calcium In many areas the effect is not good? The original Zhuanggu anti-caries also need a variety of factors. First, the human body bones and teeth growth and development of the nutrients needed by the bones and teeth are the hardest human body, its nutrition generation