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  • Title: Occurrence of a pyogenic granuloma in relation to a dental implant.
    Author: Dojcinovic I, Richter M, Lombardi T.
    Journal: J Oral Maxillofac Surg; 2010 Aug; 68(8):1874-6. PubMed ID: 20413199.
    Abstract:
    Pyogenic granuloma is an inflammatory vascular hyperplasia often occurring in the oral cavity. It appears in response to various stimuli such as low-grade local irritation, trauma, or female steroid hormones. A 32-year-old man sought care for a tender and bleeding lesion of the left posterior maxillary gingiva. The intraoral examination showed an exophytic ulcerated nodule measuring 1.0 cm, related to a dental implant placed in the upper left second premolar position. Radiographic examination showed an oversized healing cap. A provisional diagnosis of reactive inflammatory hyperplasia was made, and the lesion was excised and submitted for histologic examination. On microscopy, the surgical specimen showed an ulcerated nodule consisting of a delicate connective tissue stroma containing numerous blood vessels with plump endothelial cells, intermingled with abundant polymorphonuclear lymphocytes. A diagnosis of pyogenic granuloma associated with a dental implant was made. In this case it was the result of an inappropriate choice of a healing cap, thus allowing an accumulation of dental plaque and sustained chronic inflammation of the peri-implant tissue. A conservative excision and replacement of the healing cap were sufficient for definitive treatment.
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