沒有十分必要盡量保留智牙。沒了牙齒牙床骨會退縮，它們都對臉部有支撐作用，年紀漸老隨下顎骨向下鬆垮，

來源: 華灜於 2020-10-14 21:46:26 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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