大面积龋坏，牙髓又坏死了，单纯的通过光固化树脂的补牙，很容易出现微渗漏，也就很容易出现补牙充填体材料与牙齿本身之间的分离，而产生继发性的龋坏。这样牙齿是越补磨除的牙体组织越多，最终牙齿也只余下残根了。
看牙有道•王琪牙科博客
广东佛山王琪牙医博客。专注微创美牙/种牙/牙周病诊疗/根管治疗/全瓷牙/瓷贴面/瓷嵌体/牙齿矫正。
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