Abstract: An anti bruxism device for stopping or at least diminishing bruxism comprises a splint adapted to be secured to a tooth of a user, and a biofeedback system mounted on the splint. The biofeedback system includes a detector for detecting bruxism, and a stimulation device for stimulating the user responsive to detection of bruxism by the detector. The stimulation produced by the stimulation device causes the user to stop bruxating. Bruxism is a function that could damage teeth and molars, and may affect the neuro-muscular system in a negative way, and could cause, for example, headaches.