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什麼是根分叉病變?

Posted By vickong pun     July 8, 2021    

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什麼是根分叉病變?


      



    什麼是根分叉病變?



    什麼是根分叉病變?根分叉病變是指牙周炎的病變波及多根牙的根分叉區,以下頜第一磨牙的患病率最高。發生率隨著年齡增大而上升。

    

    根分叉區充滿著牙槽骨間隔,從齦溝內是探不到分叉區的。一旦牙周破壞波及根分叉,臨床上就可探查到。

    

    根分叉病變處的牙周袋常有明顯的炎症或溢膿,也有症狀不顯者,當治療不徹底或引流不暢時,可急性牙周膿腫出血。

    

    當病變使牙根暴露或發生根面齲,或牙髓受累時,患牙常可出現對溫度敏感、自發痛等症狀。早期患牙不鬆動,晚期可出現不同程度的鬆動。

    

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