Removal of metal posts assisting with microscope and ultrasound, as a need of root canal treatment once again.
1. In this case two metal posts had to be removed, to take opportunity canals to be treated again, because previous root canal treatment (with classic method) had not been successful.
2. Removing is done with broking the cement with which posts are glutted, by using ultrasound.
3. First post is successfully removed.
4. Second post is removed in the same way and the tooth are ready for endodontic treatment .