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Adenomatoid odontogenic tumor (AOT) is an uncommon tumor of odontogenic origin, constituting only 3% of all odontogenic tumors. Adenomatoid odontogenic tumors are frequently asymptomatic and are discovered during the course of a routine radiographic examination. The AOT is an uncommon tumor of odontogenic origin composed of odontogenic epithelium and a plethora of histoarchitectural patterns. It is a very uncommon cause of jaw swelling. We present a case of intraosseus follicular AOT involving maxillary sinus in an 8-year-old female child with the impacted tooth in the orbital floor.

Adenomatoid odontogenic tumor (AOT) is a slow-growing, benign tumor that appears in the anterior portion of the jaws and more frequently, the anterior maxilla usually in association with the crowns of unerupted teeth. Most of the tumors are diagnosed in second decade of life. A rare case report of AOT associated with an impacted right mandibular first premolar in a 24-year-old female is reported.