你有蛀牙吗?蛀牙,学名龋齿。据统计,我国青少年约20%有龋齿,有的地区比例更高。龋齿的病因复杂多样,但结果都一样——牙齿的硬组织慢慢病损。龋齿的发生首先破坏的是牙齿表面的珐琅质。珐琅质的主要成分是氟磷灰石。氟磷灰石的化学式是Ca_5(PO_4)_3F,你可以粗略地理解为是3份Ca_3(PO_4)_3(磷 Do you have tooth decay? Tooth decay, scientific name dental caries. According to statistics, about 20% of young people in our country have dental caries, and in some areas a higher proportion. The cause of dental caries is complex and diverse, but the result is the same - the hard tissue of the teeth is slowly getting damaged. Dental caries first destroy the enamel of the tooth surface. The main component of enamel is fluorapatite. The chemical formula for fluorapatite is Ca_5 (PO_4) _3F, which you can roughly understand as 3 parts of Ca_3 (PO_4) _3