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机体对基牙预备最明显的反应之一是疼痛,现有的许多止痛法还没有一种普遍用于临床,这是由于止痛效果较差或无效。作者研究人造冠基牙预备对经皮神经电刺激(TENS)的止痛效果,观察需作固定义齿的病人46例,年龄21～56岁,基牙预备108个,1次预备1～3个牙。用神经电刺激器作 TENS 止痛,电极放在面部皮肤上用胶布固定(见图),作上颌基牙预备时,用电极放在眶下孔投影处,辅助电极放在颧弓下缘和眶外缘垂直线相交点。作下颌基牙预备时,用电极放在耳屏前,辅助电极放在颏
One of the most obvious reactions of the body to abutment preparation is pain. Many of the existing analgesic methods have not been widely used clinically due to poor analgesic effect or ineffectiveness. The author studied the analgesic effects of artificial crown abutments on transcutaneous electrical nerve stimulation (TENS) and observed 46 cases of patients requiring prosthesis fixation, aged from 21 to 56 years old, 108 abutment preparation and 1 to 3 teeth preparation . TENS analgesia with a neurostimulator, the electrode on the facial skin with tape fixed (see photo), for maxillary abutment preparation, the electrode on the projection of the infraorbital hole, the auxiliary electrode on the lower edge of the zygomatic arch and orbit The outer edge of the intersection of vertical lines. For the preparation of mandibular abutments, place the electrodes on the tragus and the auxiliary electrodes on the chin