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牙齒為什麼會變色？

Publicado por vickong pun     9 de julio de 2021    

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牙齒為什麼會變色？

　　牙齒為什麼會變色？由於各種因素：如外傷、齲病等導致牙髓出血，血紅蛋白進入牙本質小管，血紅蛋白氧化變性成為變性血紅蛋白，牙齒外觀表現為棕褐色。
牙齒變色影響美觀，可以採取漂白處理或烤瓷冠修復解決美觀問題。

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