![]() Canal bifurcation was carefully negotiated using a precurved #10 K-file (Dentsply Maillefer, Ballaigues, Switzerland) (Figure 2). Informed consent was obtained from the patient after thorough discussion regarding the risks, treatment plan and outcome of the treatment.Īccess opening was modified after rubber dam isolation under a dental operating microscope (DOM) (Carl Zeiss OPMI PROergo, Carl Zeiss Surgical GmbH, Oberkochen, Germany). Although the patient was inclined towards extraction of the tooth due to severe pain, she was advised to undergo completion of endodontic treatment. A diagnosis of previously initiated therapy with symptomatic apical periodontitis was made for tooth number 21. Periapical periodontal ligament widening was also evident. Preoperative radiograph showed a single rooted left maxillary central incisor with one main canal bifurcating at apical third (Figure 1). ![]() Periodontal findings were within normal limits. The external morphology of the crown was normal. ![]() On clinical examination, tooth number 21 was discolored, tender on percussion and the temporary restoration was missing. But the patient did not find any relief in pain. Root canal treatment was started by a private practitioner for tooth number 21 one week back. A 65-year-old female from Delhi, India (nationality: Indian ethnicity: South Asian) reported to Department of Conservative Dentistry and Endodontics at Maulana Azad Institute of Dental Sciences in India with the complaint of pain in the upper front tooth.
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