Although teeth grinding can be caused by stress and anxiety, it often occurs during sleep and is more likely caused by an abnormal bite or missing or crooked teeth. Because grinding often occurs during sleep, most people are unaware that they grind their teeth.
If you suspect you may be grinding your teeth, talk to your dentist. He or she can examine your mouth and jaw for signs of bruxism, such as jaw tenderness and abnormalities in your teeth.
In some cases, chronic teeth grinding can result in a fracturing, loosening, or loss of teeth. The chronic grinding may wear their teeth down to stumps. When these events happen, bridges, crowns, root canals, implants, partial dentures, and even complete dentures may be needed. Not only can severe grinding damage teeth and result in tooth loss, it can also affect your jaws, result in hearing loss, cause or worsen TMD/TMJ, and even change the appearance of your face.
Your dentist can fit you with a special appliance called a night guard. It is made out of dental acrylic which is custom made to fit over your upper teeth in most cases. The night guard will protect your teeth from grinding during sleep and also relieve the tension on your jaw joint and muscles.