Abstract
Gingival cyst of adult (GCA) is an uncommon developmental cyst of gingiva arising from the rests of dental lamina. GCA occurs characteristically in the mandibular canine and premolar area and it is considered to represent the soft tissue counterpart of the lateral periodontal cyst (LPC). Radiologic changes occur in a small number of GCA. A 59-year-old female patient was referred to the University Hospital because of a firm and sessile nodule measuring 1.2 cm, located on the buccal papillae between the teeth 33–34. Radiographic analysis showed saucerization of the intercrestal bone with trabeculae within. The lesion was treated by surgical excision under local anesthesia. The histopathologic examination revealed a connective tissue capsule lined by thin non-keratinized squamous epithelium with focal nodular thickenings. The clinical diagnosis was established during surgical procedure, a depression in the outer cortical bone was observed in the LPC, the outer cortex is intact or expanded.
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