經常洗牙更容易得結石，有結石牙齦就會發炎，洗牙之後的保持潔凈，減少洗牙頻率很重要。

來源: 雨點打在臉上於 2014-04-04 07:46:39 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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