Comfort H/S™ A Powerful Prescription for Bruxing and Clenching from Ottawa Dental Laboratory Hard outer surface and soft inner layerFor severe bruxing/clenchingIdeal for patients allergic to acrylics and metalsFabricated from ISO-certified ERKODENT copolyester and polyurethane discs, which are BPA-free and non-allergicVacuum formed for accurate fitComfortable in the mouthRelieves head, neck, jaw, joint, and shoulder painProtects existing teeth and dental restorationsRecommended to offset the effects of bruxing and clenchingAlso Available:Comfort Hard™ Comfort Soft™