A bruxism detection system is provided that includes a chin-mounted acceleration sensor for detection of teeth grinding and teeth tapping. The system generally includes an acceleration sensor that is adapted to be removably and externally mounted with respect to an individuals chin, a bruxism recording and processing system operable on a local processor, and bruxism analysis software that is operable on the local processor or an adjoint processor (or a combination thereof). The system is designed to be used in any convenient location, including an individuals home, and is generally reusable by multiple people, thus reducing the cost of bruxism diagnosis and bringing a reliable and effective diagnosis tool to the general public.