If you experience such symptoms, you must go for treatment. If left untreated, Bruxism can cause several issues such as aesthetic problems, distorted facial profile, loose teeth, chipped teeth, harming jaw and neck muscles, fractured teeth, and more. Bruxism happens in adults as well as children. It may happen due to sleeping disorders, anxiety and stress, the result of certain medications, etc. The dentist diagnoses Bruxism based on the physical exam and evaluating your symptoms. For a definitive diagnosis, the doctor may prescribe some tests too.