Definitions for "Night guard"
A removable acrylic appliance to minimize the effects of grinding the teeth (bruxism) or joint problems (T.M.J.). Usually worn at night to prevent the grinding of teeth or relieve joint pain. Also known as an occlusal guard.
A removable acrylic (soft/hard) prosthesis. Worn whilst asleep to prevent the grinding of teeth to relieve joint pain. Also known as a occlusal guard.
a custom-made horseshoe-shaped (or retainer-like), plastic, appliance with shallow borders