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婴儿出生时牙齿齐全。因为它们隐藏在牙龈里,所以你看不到。婴儿6个月左右时,牙齿开始从牙龈里出来。但在第一颗牙齿长出来之前就要开始进行良好的口腔护理,这是很重要的。牙龈健康才有牙齿的健康。
小孩子在3岁前牙齿会全部长出来,这些牙叫做乳牙。小孩的乳牙在6岁左右开始脱落:这时恒牙或者叫成人牙开始长出。乳牙之间存在缝隙是正常的。这是为恒牙保留的空间。大部分的恒牙在13岁之前都会长出来。
如果婴幼儿长期使用奶瓶吸吮牛奶、配方奶或果汁,就会发生奶瓶龋。
欲了解更多有关儿童口腔护理的提示,请咨询您的牙医或者访问 oralb.com.
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