Introduction Bruxism is a repetitive jaw-muscle activity characterized by clenching or grinding of the teeth and/or by bracing or thrusting of the mandible It is an oral parafunctional activity (unrelated to normal function such as eating or talking) Classification Nocturnal bruxism Awake bruxism Aetiology Psychosocial factors Genetic factors Medications Occlusal factors Clinical features Hypersensitive teeth…


Chronic connective tissue disease of unknown etiology that causes widespread microvascular damage and excessive deposition of collagen in the skin and internal organs.