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  • Title: Adenomatoid odontogenic tumor with extensive formation of tubular dentin.
    Author: Takeda Y, Shimono M.
    Journal: Bull Tokyo Dent Coll; 1996 Nov; 37(4):189-93. PubMed ID: 9151575.
    Abstract:
    Although the adenomatoid odontogenic tumor (AOT) is categorized as an odontogenic epithelial tumor with odontogenic ectomesenchyme, AOT with induction of true tubular dentin with or without concomitant formation of enamel is exceedingly rare. This paper reports a case of AOT showing evidence of extensive induction of tubular dentin, but without concomitant formation of enamel. The patient was a 20-year-old female with a rather well-circumscribed intraosseous lesion of the maxillary incisor-premolar area without an embedded tooth. Histologically, extensive induction of a dysplastic form of tubular dentin with globular calcification was evident, in addition to the characteristic histological features of AOT. The present case lends support to the categorization of AOT as an odontogenic tumor consisting of a disorderly mixture of odontogenic epithelium and odontogenic ectomesenchyme with or without dental hard tissue formation.
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