Complex endodontic retreatment of a crowned maxillary second premolar

The pathology:

– The maxillary second premolar was previously endodontically treated (20 years ago)

– Was restored several times with direct restorations, 5 years ago - with an indirect restoration

– Broken file in the root canal.

Questions of the lesson:

– Removing the crown

– Removal of the fiberglass post from the root canal: ultrasonic method

– Removing broken file

– Root canals preparation and irrigation

– Root canal obturation

– Preparing a tooth for restoration with an indirect restoration

– Installation of fiberglass pins. Build-up

– Impressions

– Temporary prosthetics

– Digital modeling of indirect restoration

– Long-term results.