If you suffer from severe bruxism, you may require a firmer, more durable custom night guard. To protect your teeth from excessive grinding and moderate clenching, we’ve designed an all hard night guard that absorbs the force of your sleep-related movement disorder. The 3D version of this guard is also ideal for people who suffer from TMJ and need a night guard to prevent grinding. For proper TMJ treatment, please consult your dentist. 3 mm or 0.12″ in thickness.