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牙齒為什麼會松？

Posted By vickong pun     July 8, 2021    

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牙齒為什麼會松？

　　 牙齒為什麼會松？牙齒猶如一棵牢牢長在泥土裏的樹木，樹幹立在地面上，樹根深深埋在泥土裏。
而牙根和牙槽骨通過無數根彈性纖維相連。
這些把牙根懸掛在牙槽骨中間的纖維，就是牙周膜。
通常，牙齒有一定限度的輕微的生理性運動，多半在咀嚼食物時才能產生，對牙齒具有緩衝保護作用。
但是如果牙槽骨高度降低，牙周膜減少，不能行使固定的功能時，牙齒就會產生鬆動了。

     ★ 护牙知多滴      

《牙縫大，漏財？如何彌補？》

　　

《點解需要影牙片？》

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