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vickong pun
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牙齒為什麼會擁擠？

Posted By vickong pun     July 10, 2021    

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牙齒為什麼會擁擠？

　　牙齒為什麼會擁擠？牙列擁擠是錯畸形最為常見的形式之一，也是患者尋求正畸治療最常見的原因，大約占60%~70%的患者。
造成牙列擁擠的原因為牙量、骨量不調，牙量相對大，骨量相對小，牙弓長度不足以容納牙弓上的全數牙齒。
牙量、骨量不調受遺傳與環境兩方面的影響。

                    

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