Bruxism is a condition in which a person grinds, gnashes, or clenches their teeth unconsciously, either while awake or asleep

. It can cause a variety of symptoms, including abraded, chipped, or cracked teeth, facial pain, headaches, and tense facial and jaw muscles

. The causes of bruxism are not completely understood, but they may be due to a combination of physical, psychological, and genetic factors

. Stress, anxiety, and sleep disorders such as sleep apnea may also contribute to bruxism

. Mild cases of bruxism may not require treatment, but severe cases can lead to damaged teeth, jaw pain, and headaches

. Treatment options include behavior changes, such as relaxation techniques and stress management, and the use of mouth guards or other dental appliances to protect the teeth and jaw