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什麼是口腔潰瘍?

Posted By vickong pun     July 9, 2021    

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什麼是口腔潰瘍?

  什麼是口腔潰瘍?口腔潰瘍是發生於口腔黏膜的各種潰瘍類疾病的總稱。
很多原因可以導致口腔潰瘍的發生,如免疫功能異常、感染、遺傳、創傷、過敏反應、精神壓力等。
其中最常見的是復發性口腔潰瘍,因其反復發作而得名,每次發作,經過7~14天可以自行癒合。
其主要特點是疼痛明顯,潰瘍周圍黏膜充血成紅暈狀,中心凹陷,其上覆以灰黃色或淺黃白色纖維素性假膜。

創傷性潰瘍是由於壞死牙齒的殘冠殘根、不良修復體(義齒)的機械刺激,或咬唇、咬頰、咬舌等引起,一般在去除刺激後應較快癒合,如果仍無癒合跡象,尤其是老年人,應儘早去醫院檢查,必要時做病理檢查,警惕惡變的可能,以免貽誤治療的最佳時間。
癌性潰瘍的特點是早期疼痛不明顯,潰瘍底部有菜花狀細小顆粒突起,邊緣不整齊,質地較硬,無明顯的充血紅腫,且長期不癒合。

                    

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