“…Oral lichen planus is a common disease whose aetiopathogenesis is closely related to psychological disorders. Despite the fact that some studies have not confirmed the association between psychological disturbances and OLP (Allen, Beck, Rossie, & Kaul, ; Field & Humphris, ; Macleod, ), nonetheless, numerous authors have reported a significant prevalence of disorders such as anxiety, depression, instability and negativity among patients with OLP (Cerqueira et al, ). A recent study by Chen, Blasiak, Kim, Padilla, and Culton, (), reported that emotional stress was the most commonly reported trigger among patients with OLP.…”