有關這顆門牙，因為牙根部分還在，而牙冠已經缺失了。大概率是外來力量將其折斷了，有被暴力打斷的可能性。

來源: 金筆於 2022-02-27 02:16:26 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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