.. OrthoStop Stop Night Time Clenching and Grinding ... Product description: Designed to prevent night time clenching and grinding OrthoStop allows the musles to relax. ... A dental Appliance designed to stop night time clenching and grinding, allowing the muscles to relax, at which it is determined whether or not to wear another device along with OrthoStop or to remain only using OrthoStop and no other appliances. ...