Bruxism is a condition where a person unconsciously grinds or clenches their teeth, often during sleep or times of stress. It can be caused by anxiety, misaligned teeth, sleep disorders, or lifestyle factors such as caffeine and alcohol use. Common symptoms include jaw pain, headaches, tooth sensitivity, worn enamel, and disturbed sleep. If left untreated, it may lead to dental damage and chronic discomfort. Treatment usually depends on the cause and may include stress management, mouth guards, dental correction, or lifestyle changes. Early attention and proper care can help prevent long term complications and protect overall oral health.