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牙根敏感是怎麼回事?應如何治療?

Posted By vickong pun     July 9, 2021    

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牙根敏感是怎麼回事?應如何治療?

  

  牙根敏感是怎麼回事?應如何治療?牙骨質像一件衣服穿在牙根表面,阻擋外界對牙根的刺激。
當牙骨質不完整時,外界刺激直達牙本質,發生牙根敏感。

以下情況可導致牙根敏感:

①解剖原因,牙骨質和牙釉質在牙頸部銜接不好,當牙齦退縮時,牙本質暴露;
②根面發生齲壞;
③牙周炎導致牙骨質破壞;
④牙周刮治的過程中,牙本質暴露於牙周袋內或口腔內,患牙對外界刺激產生敏感症狀。

根據原因進行治療,如根齲需要充填。
一般情況下,牙周治療後的牙根敏感可隨著髓腔內相應部位的修復性牙本質形成而逐漸消失。
牙周刮治後,行脫敏治療可減輕牙根敏感的症狀。

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