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什麽是牙髓摘除術?適應證是什麽?

Posted By vickong pun     July 5, 2021    

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  什麽是牙髓摘除術?適應證是什麽?

  什麽是牙髓摘除術?適應證是什麽?乳牙牙傑炎症波及根隨時,將牙髓失活後或局麻下用拔械針 把全部牙髓摘除,摘除後預備根管,反複沖洗、吸幹,用能被吸收的 根管充壊材料充填根管,這種保留患牙的方法叫做牙袖摘除術。牙窗摘除術適合于牙髓炎症波及牙根部位的牙谶,不宜行牙 隨切除術之乳牙.術前要拍攝X線片,了解乳牙牙根和恒牙牙胚 的情況。牙儲摘除術適用于各種牙俪炎,成人由于増齢變化引起的牙 窗退行性變,在牙體手術中的意外穿僦者,外傷牙冠折斷在龈上 者。對于牙根過于彎曲、狹窄的患牙,牙內吸收使根管壁變得太薄 的患牙,牙冠破壞過大且難以修夏的後牙,均不宜行牙?摘除術。

                    

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