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過度松動的牙。

Posted By vickong pun     July 7, 2021    

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過度松動的牙。


    　　



    過度松動的牙。



    　　過度松動的牙。

    

    (1)牙根過細或過短，無法取得足夠支持力量的牙.

    (2)根管壁已有側穿不能治療的，根管內吸收的牙。

    

    (3)外傷導致牙折斷深度已達牙槽骨內的，舊修複體折斷造成 根折的?或舊修複體折斷後無法取下的。

    

    (4)咬合過緊或缺牙過多.以致無法獲得足夠固定位的。

    

    (5)身體情況或精神情況差等,不能承受磨牙治療的患者。

    

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