An Update on the Mechanisms of Phenytoin Induced Gingival Overgrowth
Open Access
- 31 December 2019
- journal article
- review article
- Published by Bentham Science Publishers Ltd. in The Open Dentistry Journal
- Vol. 13 (1), 430-435
- https://doi.org/10.2174/1874210601913010430
Abstract
Background: Phenytoin induced gingival overgrowth, a side effect with multifactorial aetiology, is characterized by an increase in the volume of extracellular tissues, particularly collagenous components, with varying degrees of inflammation. Objective: The aim of this paper to review the available literature regarding the pathophysiological mechanisms of phenytoin induced gingival overgrowth. Methods: A thorough literature search of the PubMed/ Embase/ Web of science/ Cochrane central database was conducted to identify the mechanisms involved in the process of phenytoin-induced gingival overgrowth using the following keywords: Phenytoin; Anticonvulsant; Gingival Overgrowth; Gingival Enlargement, Gingival Hyperplasia; Drug Induced Gingival Enlargement; Drug Induced Gingival Overgrowth Results: According to the available evidence, several mechanisms have been proposed addressing the pathophysiological mechanism of phenytoin induced gingival overgrowth both at a cellular and molecular level. Evidence suggests that the inflammatory changes in the gingival tissues orchestrate the interaction between phenytoin and fibroblasts particularly resulting in an increase in the extracellular matrix content. Conclusion: However, the mechanism of production of inflammatory mediators is not fully understood. This, together with the high prevalence of Phenytoin induced gingival overgrowth, warrants further research in this area in order to develop treatment and preventive strategies for the management of this condition.Keywords
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