New Delhi, April 2 -- Bruxism is a repetitive muscular activity of the jaw that is described by clenching, grinding teeth, thrusting and bracing of lower jaw leading to prolonged tooth contact and wearing off of the tooth structure from the resultant friction. Different symptoms such as excessive tooth wear, frequent grinding sounds, intermittent jaw muscle fatigue or pain, and/ or temporal headache, and/ or jaw locking often upon awakening in mornings are often stated by individuals. Signs of Bruxism Each person may experience bruxism in a different way. The following are some typical signs of bruxism: Grinding or Clenching of Teeth: audible clenching or grinding of teeth, frequently detected by a family member or sleep companion. Tooth Se...