补牙后牙掉了一块怎么办

来自夏永华医生的专业解答，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=39513414644858&module=mip&cst=91&clk_extra=%7B%22pageid%22%3A%2239513414644858%22%2C%22searchID%22%3A%2239513414644858%22%2C%22nPageID%22%3A%2239513414644858%22%2C%22mip_logid%22%3A%2239513414644858%22%2C%22masterpage_type%22%3A%22self%22%2C%22originalUrl%22%3A%22https%3A%5C%2F%5C%2Fm.120ask.com%5C%2Faskg%5C%2Fmip_detail%5C%2F50986771%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=39513414644858&module=mip&cst=112&clk_extra=%7B%22pageid%22%3A%2239513414644858%22%2C%22searchID%22%3A%2239513414644858%22%2C%22nPageID%22%3A%2239513414644858%22%2C%22mip_logid%22%3A%2239513414644858%22%2C%22masterpage_type%22%3A%22self%22%2C%22originalUrl%22%3A%22https%3A%5C%2F%5C%2Fm.120ask.com%5C%2Faskg%5C%2Fmip_detail%5C%2F50986771%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

快速问医生

病情分析：龋坏的牙体组织会变得很脆，在受力时可能会崩坏。

夏永华

主任医师

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：4年前在一个诊所补过一次大牙那时候补牙的材料是黑色的当时觉得有点奇怪但是也没有想太多看网上说有银汞合金的材料是黑色的但是我搜图感觉不太像是银汞合金颜色好黑好黑的而且填充物的周围牙齿都已经有点变黑了今天吃饭的时候一小块牙齿还掉了下来黑色的填充物一部分裸露在外面现在该怎么办是去重补一个还是怎么样