Occasionally a tooth may not heal as expected after initial treatment due to a persistent or recurrent infection. Retreatment can offer a second chance to save a diseased root filled tooth that would otherwise be extracted. The previous root filling is removed and the root canals are disinfected and re-sealed.

Endodontic retreatment is a more specialised procedure requiring high magnification and advanced techniques to achieve the best outcome. Endodontists have specific training and considerable experience in performing retreatment procedures.

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