垫是治疗牙列磨损、颌间距离降低引起颞颌关节功能紊乱综合症的矫治器。临床上一般先作暂时性塑料垫,经病人戴用一段时间后,颞颌关节功能紊乱症状便可渐趋消失。如果取掉垫,症状又重新出现,由于塑料垫不耐磨,必须换成永久性金属垫。对此,为  pad is the treatment of dentition wear, lower jaw distance caused by temporomandibular joint dysfunction syndrome appliance. The general clinical first temporary plastic pad, worn by the patient for some time, the symptoms of temporomandibular joint dysfunction can gradually disappear. If you remove the pad, the symptoms reappear, because the plastic pad does not wear, must be replaced by a permanent metal pad. For this,