Maxillary first molar with incomplete root canal and separated instrument.

completion image of root canal retreatment

Diagnosis  Patient presented with the chief complaint of a “toothache” that was clinically tender to percussion and localized to tooth #14. Radiographic examination showed an untreated mesiobuccal root and a large post in the palatal canal with no root canal filling evident beyond the post. In addition, there was a separated instrument in the apical […]