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為什麼有些齲齒疼痛難忍?

Posted By vickong pun     July 9, 2021    

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為什麼有些齲齒疼痛難忍?

  

  為什麼有些齲齒疼痛難忍?有的小朋友牙齒爛了,出現一陣陣的疼痛,有時半邊臉都疼,分不清是哪顆牙齒疼,尤其是晚上更為嚴重,常常坐臥不安,難以入睡。
這是因為細菌和毒素通過齲壞的牙組織影響到牙髓,牙髓發炎化膿,牙髓腔壓力增大,炎症和膿液無法向四周擴散,壓迫神經,產生劇烈疼痛。
一顆牙疼可同時影響同一神經分支上的其他牙,因此會出現疼痛牙位不清,必須請牙醫診治。

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