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牙合垫是一种治疗口颌系统疾病的可摘装置,具有可逆性咬合治疗特性;可以改变咬合接触状态、调节上下颌位置关系,改善颞下颌关节和咀嚼肌的功能. 牙合垫有多种类型,其中稳定型牙合垫、软牙合垫、再定位牙合垫等广泛用于颞下颌关节紊乱病和夜磨牙症的治疗.对于咬合重建患者,牙合垫可用作调整和验证治疗性颌位的重要手段.牙合垫的数字化设计和制作尚处于起始阶段,需要进一步完善,是今后研究的一个主要发展趋势.“,”Occlusal splint is a removable device for the treatment of oral and maxillary diseases with reversible occlusal treatment property. When patients wear the occlusal splint, the occlusal contact state can be changed and the position of the lower jaw may be adjusted, with the improvement of functions of temporomandibular joints and masticatory muscles. There are various types of occlusal splints, among which stabilization splint, soft occlusal splint and repositioning splint are widely used in the treatment of temporomandibular disorders and night bruxism. For the patients requiring occlusal reconstruction, occlusal splint can be used as an important means to adjust and verify the therapeutic jaw position. As a major trend of research in future, the digital design and production of occlusal splint are still in the initial stage and need to be further improved.