The signs and symptoms of bruxism vary according to the nature, frequency, duration and strength of excessive clenching and grinding, include:
• Pain in the teeth and sensitivity to heat and cold.
• Chronic muscular facial pain with tension headaches.
• The noise, noticed by partners, friends or relatives, that occurs as the teeth are ground together.
• Flattened and worn tooth surfaces, which may reveal the underlying yellow or orange dentine layer.
• Micro fractures of the tooth enamel.
• Broken or chipped teeth.
• Stiffness and pain in the jaw joint that cause restricted opening and difficult chewing.