Oral B Nighttime Dental Guard is an affordable Over-The-Counter and Custom Moldable Dental Guard intended to reduce damage to the teeth and to prevent the noise associated with grinding. LESS THAN 3 MINUTES for a custom fit! A simple Microwave process, in the comfort of your home, results in a custom guard designed to protect individuals that suffer from bruxism, that anxiety-induced nighttime clenching and grinding of the teeth. It’s intended to reduce damage to the teeth and to prevent the noise associated with grinding. Compare to a guard, customized and purchased in a Dentist’s Office, at typically $300-$500. Includes: Guard, Impression Tray, and convenient Storage Case.