现在是有些牙医主张分两个阶段矫正，乳牙阶段矫正可以帮助扩充空间，说这样的效果更好些

来源: liushui2007 于 2014-06-14 21:56:31 [旧帖] [给我悄悄话] 本文已被阅读：次

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