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vickong pun
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再植後的牙什麼時候做根管治療比較合適？

Posted By vickong pun     July 13, 2021    

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再植後的牙什麼時候做根管治療比較合適？

　　再植後的牙什麼時候做根管治療比較合適？根尖已完全發育完成的牙，如在半小時內可複位，則再植術後3~4周是作根管治療的最佳時期。

若再植前作根管治療，延長了體外時間，將導致牙根吸收。
再植後3~4周，鬆動度減少，而炎症性吸收又正好於此時開始，此時宜於進行根管治療。
如果脫位2小時以後再就診，則牙周膜無重建的可能性，因而可直接在體外完成根管治療術，並經根面和牙槽窩刮治後，將患牙植入固定。
根尖未完全形成的年輕恒牙完全脫位，若能就診迅速或自行複位，牙髓常能繼續生存，預後良好。
但如果就診不及時，則只能在體外完成根管治療術再進行植入，預後欠佳。

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