A dentigerous cyst is a cyst that originates from the development of a tooth. It is typically associated with the tissues surrounding an impacted tooth's crown. Odontoma is a benign tumor resulting from the proliferation of tooth-forming tissues. Odontomas are classified into two categories: compound and complex. This article aimed to report a case related to the treatment of an impacted canine tooth with a dentigerous cyst and odontoma. A 17-year-old female presented to the Oral Surgery Department of UGM Academic Hospital, referred from the Orthodontics Department for the removal of an impacted canine tooth. Radiological findings from the panoramic X-ray revealed a well-defined radiolucent image around the crown area of tooth #23, with a radiopaque image measuring 2mm in the incisal region of the tooth. The patient had no complaints in that area and had history of neither allergies nor systemic diseases. The treatment involved the surgical removal of tooth #23, curettage of the dentigerous cyst, and excision of the odontoma under local anesthesia with an infraorbital nerve block and incisive nerve block. The surgical approach used a trapezium-shaped marginal flap in the operative area. Postoperative healing in the patient progressed well, with no signs of infection, swelling, or pain. On the 7th day postoperative, the sutures were removed. Impacted maxillary canine occurs due to obstruction in the eruption path. Extracting impacted teeth with pathological lesions is necessary for orthodontic treatment. A multidisciplinary approach involving dental specialists is essential for determining an optimal treatment plan.
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