Lower macillary central invisor canal3/16/2023 At this visit, a careful exploration of the canal orifice and root canal revealed Weine’s Type IV morphology of root canals, i.e one canal left the chamber and divided into two separate and distinct canals (buccolingually, in this case). Hence, an open dressing was given and the patient was recalled after 2 days. An access opening was made and a lot of pus discharge was encountered. The periodontal prognosis of the tooth was estimated to be good. The diagnosis which was made was a ‘Chronic Periapical Abscess’. Some amount of horizontal bone loss was seen in the whole anterior teeth region, but clinically, no mobility was seen. ![]() The left mandibular central incisor (31) showed a radiolucent canal that stopped abruptly in the middle third of the root, which indicated a multicanal morphology. A pre-operative radiographic examination revealed a large periapical radiolucent area wrt #31. 32 and 41 responded normally to thermal sensitivity tests. The clinical examination revealed dull pain on percussion wrt (with respect to) #31, pus discharge from the sinus which was below 31 and no response to thermal sensitivity tests #31. ![]() The medical history was non-contributory, but the patient had experienced a traumatic injury to the anterior mandibular region about eight years back, and there was a history of periodic tooth discomfort on biting. A 19-year-old male patient reported to the Department of Conservative Dentistry and Endodontics with dull pain and pus discharge in the front lower left tooth region, of one month’s duration.
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