apical perforation

apical perforation

a mechanically induced channel running from the pulp canal into the periodontal space at or near the apex of the root.
References in periodicals archive ?
Failure to accurately determine the length of the tooth may lead to either incomplete cleaning and apical leakage or apical perforation and overfilling with increased incidence of postoperative pain.
Failure to accurately determine the working length may lead to apical perforation, pushing of debris beyond the apex and over filling, with increased incidence of postoperative pain or may also lead to incomplete instrumentation and under filling with attendant problems4,6,7