“…Treatment and prevention of periodontitis may yield protective effects against several mental disorders. 110 , 112 , 139 , 162 However, the management of patients with mental disorders is multidimensional and highly dynamic, needing individual assessments and management modifications from patient to patient and from appointment to appointment, 27 making them a challenging patient group. However, in general, patients with mental health disorders should receive thorough oral and periodontal health information, hygiene instruction, education, and regular follow-ups, to improve patient's awareness, habits, and literacy.…”