A Conservative Approach for Localized Spongiotic Gingivitis Hyperplasia Using Photodynamic Therapy: A Case Report and Review of the Literature

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Abstract

Objective: To describe a clinical case of successful conservative management of Localized Juvenile Spongiotic Gingivitis Hyperplasia (LJSGH) using photodynamic therapy (PDT) and reviews the current literature on this pathology. Background data: LJSGH is a recently described rare disease with controversial treatment results. As of today, 13 publications report surgical treatment approaches. The use of CO2 laser and cryotherapy was reported only in one study. The use of PDT was not previously reported. Patients and methods: A 9-year-old male patient was referred to our institution with the chief complaint of asymptomatic "inflamed gingiva" starting 1 year before. Clinical examination revealed an erythematous line accompanying the gingival contour, with a certain degree of hyperplasia. The diagnosis of LJSGH was performed based on clinical features and later confirmed histopathologically. A novel approach using PDT was then proposed. The photosensitizer was methylene blue, and a semiconductor laser diode was used. Results: One week after starting PDT, gingival hyperplasia was partially reduced. Immediately after the end of treatment, a significant reduction of gingival hyperplasia was observed. PDT proved to be safe, quick and painless, with no esthetic harm. Conclusions: This case illustrates the benefit of a more conservative approach as opposed to surgical procedure, with good clinical response and decreased morbidity over a 2-year follow-up period.

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Vieira, D. L., Leite, A. F., Figueiredo, P. T. de S., Vianna, L. M., Moreira-Mesquita, C. R., & de Melo, N. S. (2019). A Conservative Approach for Localized Spongiotic Gingivitis Hyperplasia Using Photodynamic Therapy: A Case Report and Review of the Literature. Photobiomodulation, Photomedicine, and Laser Surgery, 37(1), 57–61. https://doi.org/10.1089/photob.2018.4454

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