Stress is the most common reason for bruxism. Most doctors suppose that stress is the primary cause of teeth grinding during sleep. Stress can disrupt a person's sleeping cycle. If a particular sleeping pattern is disrupted, the person ends up clenching their teeth unconsciously and intermittently during sleep. This is where a lot of researchers are currently focusing on, as this explanation is the one most common.
The abnormal alignment of the upper and lower teeth is referred to as malocclusion. This is one of the physical causes of teeth grinding.Dental experts believe that if there is something abnormal about the structure of a person's teeth, they grind involuntarily against each other as they make contact.
I have not heard of GERD causing bruxism but then I have not heard of a lot of things.
~~Kitt~~Moderator: Anxiety/Panic, Osteoarthritis, GERD/Heartburn and Heart/Cardiovascular Disease. www.healingwell.com"If you can't change the world, change your world"