多少牙齿

来自啜文钰医生的专业解答，快打开看看是否又获得了新的知识点～

https://m.baidu.com/bd_page_type=1/t=mip/tc?ct=54&lid=26367168592517&module=mip&cst=91&clk_extra=%7B%22pageid%22%3A%2226367168592517%22%2C%22searchID%22%3A%2226367168592517%22%2C%22nPageID%22%3A%2226367168592517%22%2C%22mip_logid%22%3A%2226367168592517%22%2C%22masterpage_type%22%3A%22self%22%2C%22originalUrl%22%3A%22https%3A%5C%2F%5C%2Fmip.meilo.cn%5C%2Fmcnask%5C%2F1001174257.html%22%2C%22srcid%22%3A%22landingpage%22%2C%22name%22%3A%22A%5Cu533a%5Cu6b63%5Cu6587%5Cu6298%5Cu53e0%22%2C%22id%22%3A%22expand_content%22%7D&tcreq4log=1

https://m.baidu.com/bd_page_type=1/t=mip/tc?ct=54&lid=26367168592517&module=mip&cst=112&clk_extra=%7B%22pageid%22%3A%2226367168592517%22%2C%22searchID%22%3A%2226367168592517%22%2C%22nPageID%22%3A%2226367168592517%22%2C%22mip_logid%22%3A%2226367168592517%22%2C%22masterpage_type%22%3A%22self%22%2C%22originalUrl%22%3A%22https%3A%5C%2F%5C%2Fmip.meilo.cn%5C%2Fmcnask%5C%2F1001174257.html%22%2C%22srcid%22%3A%22landingpage%22%2C%22name%22%3A%22A%5Cu533a%5Cu6b63%5Cu6587%5Cu4e0b%5Cu65b9%5Cu4e2d%5Cu95f4%5Cu5c55%5Cu5f00%5Cu6309%5Cu94ae%22%2C%22id%22%3A%22new_expand_content%22%7D&tcreq4log=1

美咯

病情分析：每个人有32颗恒牙，真正行使功能的牙齿有28颗。一般28颗到32颗都是正常的，其中28颗上下是对称的，有2颗中切牙，2颗侧切牙，2颗第一前磨牙，2颗第二前磨牙，2颗第一磨牙，2颗第二磨牙，上下加一块为28颗。还有4颗为智齿，有人长有人不长，无论长其中几颗都是正常的。

啜文钰

主治医师

提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医

问题描述：小孩子开始掉牙了，那掉的牙齿什么时候可以长出来？会掉多少个牙齿，一共会长多少牙齿？