如果您有 Gum Disease, 牙齦就會萎縮，牙根就會慢慢地露出來,直至脫落。要看 Periodontist.

來源: 禦用文人於 2015-03-06 11:37:36 [舊帖] [給我悄悄話] 本文已被閱讀：次

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