Teeth grinding or clenching is known as bruxism and occurs during sleep. Bruxism is a common problem with exact cause unknown. Most of the time, person who is grinding or clenching is unaware of the condition. People with bruxism often complain of jaw pain during waking hours, jaw muscle stiffness, limited mouth opening or headaches. Teeth grinding can lead to sensitive teeth, fractured or chipped fillings and even teeth. During your check up, we look for signs and symptoms to diagnose this condition and offer you the right treatment.