What are the factors influencing perforation repair?
When evaluating a perforated tooth, there are a number of factors that must be considered individually and collectively to properly guide treatment. Treating clinicians must identify the four dimensions of a perforation and understand how each of these entities critically affects treatment selection and prognosis. 1) Level: Perforations occur in the coronal, middle and apical one-thirds of roots. More coronally positioned perforations threaten the sulcular attachment and pose different treatment challenges than more apically occurring perforations. In general, the more apical the perforation, the more favorable the prognosis. 2) Location: Perforations occur circumferentially on the buccal, lingual, mesial and distal aspects of roots. The location of the perforation is not so important when nonsurgical treatment is selected but its position is critical if a surgical repair is considered. 3) Size: The size of a perforation greatly affects the clinician’s ability to establish a hermetic s
