Epulis(redirected from acanthomatous epulis)
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a benign tumorlike growth of soft tissues in the region of the alveolar processes. Epulis results from prolonged irritation of the mucosa and from hormonal changes symptomatic of defective bone formation. An epulis grows slowly and may achieve a size 3 cm in diameter or more. It becomes ulcerous when traumatized by the sharp edge of a tooth or dentures. It is treated by surgery.