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最里面有一顆大牙,爛得只剩根部點辦?

Posted By vickong pun     July 10, 2021    

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最里面有一顆大牙,爛得只剩根部點辦?


            爛牙問題


        


            先拍個片檢查根部情況,牙根完好且高出牙齦部位,可以保留不用拔,得根管治療樁冠修復。

            

            如果牙體欠缺,還能試試冠延長,方便全冠修復時能固定,當然根部有缺損的,沒保留價值,這時候才能拔除。

            

            不然留在牙槽窩越久,細菌滋生還會刺激牙齦發炎,還得氯己定的kin吉蘭漱口水進行消炎抑菌。


        


            


        


            那牙根發黑是怎麼回事?

            

            1、已經死牙一顆,牙髓壞死後沒有營養的輸入,牙齒走向衰落,形態沒有變化。不過顏色變黑,脆性也大,很容易崩牙,先清洗掉殘渣,如果根部有根尖周炎建議拔除。

            

            2、避免形成病灶牙,因為致病菌感染根部組織,牙齦還會長膿包,有可能會二次崩牙,能保留的得全冠修復保護患牙。一旦孩子只剩牙根,處於換牙期還能引導恒牙萌出。

            

            保留牙根的好處在哪?

            

            一是保留了牙周膜的自然咀嚼感受,不像種植牙或烤瓷牙橋咬合過力,就會損傷牙周組織,無異物感,和天然牙一樣舒服。

            

            二是天然牙根比種植牙更有一定的優越性。它不存在人體排斥致牙根吸收等問題,利用天然牙根為基礎的保存修復更能取得良好效果。

            

            三是延長天然牙的使用壽命。殘根殘冠缺損至齦下不超過2毫米、牙周健康、且無嚴重畸形,就能保存修復。

            


    


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