Oral lichen planus (OLP) is a chronic inflammatory mucosal disease of unknown aetiology. Recently, increased oxidative stress has been implicated in the pathogenesis of various diseases. The aim of this study was to evaluate the total antioxidant capacity (TAC) and lipid peroxidation level, in the saliva of patients with OLP. We conclude that OLP patients have more cellular lipid peroxidation than healthy subjects.
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