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经常用来治疗颞颌关节功能紊乱症的丙烯酸酯塑胶修复体主要有四种类型: (1)上颌(牙合)垫:其(牙合)面是平的或与下颌牙广泛接触。垂直距离的增加,后者比前者少。通常用来控制夜磨牙。设计时最好同颞颌关节X射线照片结合起来,使垂直距离的增加保持最低限度。(2)改良式Hawley(牙合)垫:用平的咬(牙合)面时,用此(牙合)垫是不适宜的。因垂直距离有较大的增加,势必失去(牙合)间空隙。
There are four main types of acrylic plastic restorations that are commonly used to treat temporomandibular joint dysfunction: (1) Maxillary occlusion: its occlusal surface is flat or has extensive contact with the mandibular tooth. Vertical distance increases, the latter less than the former. Commonly used to control night molars. It is best designed to be combined with temporomandibular joint radiographs to minimize the vertical distance increase. (2) modified Hawley (occlusal) pad: flat bite (occlusal) face, the use of this (occlusal) pad is not suitable. Due to the greater vertical distance, is bound to lose the (occlusal) between the gap.