Lateral periodontal cysts (LPCs) are odontogenic cysts with rare occurrence and developmental origin. A 46-year old female patient, chronic smoker with non-contributory medical history presented with dull pain/pressure in the left mandibular premolar region and the associated teeth were vital on pulp testing. Periapical radiograph revealed a well- circumscribed, radiolucent region measuring <1cm in diameter with loss of lamina dura in teeth, which were in contact with the lesion, and interproximal buccal bone loss. The clinical and radiographic features were suggestive of LPC and the patient was advised to undergo conservative surgical management of the cystic lesion. The full-thickness mucoperiosteal flap was elevated, complete debridement was done, and enucleation was performed using a surgical curette. The flaps were approximated and then sutured. Histological examination was performed on the tissue sample obtained during surgery and the findings confirmed the diagnosis of LPC. The post-operative follow-up was uneventful with no biological complications such as pain, swelling, or bleeding at the surgical site and periodontal healing was satisfactory.
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