牙紧的小时候需要expender撑开，大了就不用拔，再做brace, 是比较花钱，一个孩子基本一万

来源: 宗阕于 2018-07-03 15:52:07 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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