DENS-INVAGINATUS IN 1ST MANDIBULAR PREMOLAR

A case of dens invaginatus in a mandibular first premolar with periapi cal lesion is presented in which it was possible to perform non-surgic al endodontic therapy. Dens invaginatus is a developmental malformatio n of teeth which results from abnormal morphodifferentation. Due to th eir abnormal anatomical configuration, invaginated teeth present techn ical difficulties in their clinical management. The treatment modaliti es available to the clinician include: endodontic therapy, endodontic surgery, combined treatment, or extraction. In this case the treatment of choice, selected according to clinical and radiographic considerat ions, was endodontic therapy of the main root canal.