Objective: The aim of the study was to assess the psychological impact of COVID-19 pandemic on subjects with temporomandibular disorders (TMD), as for symptomatology and presence of parafunctions and sleep disorders.
Patients And Methods: Two hundred fourteen subjects completed an online questionnaire, including Perceived Stress Scale (PSS), a temporomandibular screening and a specific item about the impact of such event on the psycho-physical side. Non-parametric tests - Mann-Whitney and Kruskal-Wallis - were performed to compare sex and age groups, as for PSS and "COVID-19 pandemic impact score (CpIS)", and the groups Improved/stationary and Worsened in symptomatology as for the "CpIS".