There are a variety of conditions which would be an indication for a night guard. In some cases a patient may be grinding their teeth or clenching. Depending on the condition the appropriate appliance is prescribed. Other conditions that may be effecting the patient could be headaches, snoring, or sleep apnea. These conditions can also be treated by using the appropriate appliance. Discussing your symptoms with the dentist is the first step in learning how to treat your condition.