Bruxism is the action to exert pressure between the teeth and make them slide causing problems in the temporomandibular joint (TMJ) and wear of the surface of the teeth. The main causes of bruxism are stress, body and closing the mouth position, sleeping habits or the patient's ability to relax. Bruxism evaluation should be done with this in count in the field of dentistry and otolaryngology, since it can cause hearing disorders such as ear infections. The goal of treatment is to reduce pain, prevent tooth decay and reduce teeth grinding full. To relieve pain you can apply ice, avoid eating hard foods like nuts, candy or steaks, drink lots of water, sleep and reduce stress. The damage of the teeth, mouth prosthesis often called splints or appliances apply.