Abstract
Introduction Cementoblastoma is a rare and benign odontogenic mesenchymal tumor, often characterized by the formation of cementum-like tissue produced by neoplastic cementoblasts attached to or around the roots of a tooth. Case Report 22-year-old male patient was referred to the Federal University of Paraná after occasional finding on a routine panoramic radiograph. Clinical examination suggested no alterations. Medical and family history presented no alterations as well. Computed tomographic (CT) showed the presence of a radiopaque area associated with the roots of the impacted third molar measuring 15 mm × 10 mm inside the left maxillary sinus. The treatment plan suggested was to surgically remove it under general anesthesia. An intraoral approach was conducted, using the Newmann incision from the superior left first molar to the retromolar area with anterior and posterior relaxant incisions. Using a Caldwell-Luc access next to the maxillary tuberosity region, the maxillary sinus was exposed and the calcified mass attached to the roots of the tooth was reached. Pathological mass removed was sent for histopathological investigation. Examination revealed dense, mineralized, cementum-like material and vascular soft tissue areas that consisted of cementoblasts. One-year follow-up shows no recurrence and absence of symptoms.
Highlights
Benign cementoblastoma (BC) is a rare and benign odontogenic mesenchymal tumor, often characterized by the formation of cementum-like tissue produced by neoplastic cementoblasts attached to or around the roots of a tooth
The aim of the present paper is to report a rare case of BC within maxillary sinus associated with an impacted third molar and its treatment
Mandible is affected in majority of cases; benign cementoblastomas involving multiple teeth is reported to occur more commonly in the maxilla, reflecting the high growth potential of those tumors [10]
Summary
Benign cementoblastoma (BC) is a rare and benign odontogenic mesenchymal tumor, often characterized by the formation of cementum-like tissue produced by neoplastic cementoblasts attached to or around the roots of a tooth. The World Health Organization first named this neoplasm “benign cementoblastoma” and “true cementoma” in their 1971 classification This terminology was altered in 2005, and the benign prefix was dropped because there is no malignant neoplasm originating from cementum tissue [2]. These tumors primarily affect young adults in the second and third life decades, with approximately 50% occurring under 20 years old and approximately 75% occurring under 30 years old [3]. Treatment of lesion is well defined as being total excision of teeth together with calcified mass. Surgical excision of the calcified mass with root amputation followed by endodontic treatment of the teeth involved may be considered as a treatment modality [7]. The aim of the present paper is to report a rare case of BC within maxillary sinus associated with an impacted third molar and its treatment
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