牙齒釉質要是沒被刷掉而且牙齦沒被你刷的露出來應該問題不大

來源: Gennaro 於 2009-05-03 17:40:20 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

倒毛也可能是刷牙方法的不同

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