A one-piece molded bruxism treatment device which in upright orientation has top and bottom parts, including: an elongated band having a generally U-shape defining a closed front end part and legs extending rearward and adapted to be positioned around the outer surfaces of a person's upper gums and teeth, and two generally planar resiliently deformable bite pads oriented generally horizontally, each extending from one of the feet of the band medially toward the other.