Methods: Thirty patients with complete denture were treated by relining, fifteen patients complete denture were relining by soft-padded material, other patients were used by denture baseacrylic resin.

• 方法：选择需作衬垫的总义齿30付，分成两组，分别用软衬材料和热凝塑料垫底，用722型光栅分光光度计吸光光度法测定衬垫前后的咀嚼效能。