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什麽情況下智齒能夠保留?

Posted By vickong pun     July 8, 2021    

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什麽情況下智齒能夠保留?

  什麽情況下智齒能夠保留?並非所有的智齒都必須拔除,符合下列情況的可以考慮保留。

(1)智齒尚未萌出.估計有足夠的冋隙供智齒正常萌出.同時 有正常的咬合關系.
(2)有正常的對颌牙.智齒已經在正常位置萌出,牙齒表面有 軟組織覆蓋,估計切除覆蓋的軟蛆織後?智齒的牙冠能完全暴露, 並能夠與對颌牙建立咬合關系。
(3)對于向近中傾斜的智齒,如果傾斜的角度不大,牙根尚未完全形成,有正常萌出的對颌牙,可用牙挺將其挺至正常牙位,不 必拔除.
(4)第二磨牙解壞嚴重需要拔除時,通過X線片證實智齒的 牙根尚未完全形成.此時可以拔除第二磨牙.保留智齒以代替缺失 的第二磨牙。
(5)智齒完全埋伏在颌骨內,沒有任何症狀,可以暫時予以保 留.並嚴密定期觀察.

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