1993年1月始,我们应用口腔微波机对牙根管疾患880例进行消毒,取得良好的疗效。1　临床资料1.1　一般情况　各型根尖周炎、牙髓坏死、坏疽或有脓肿、瘘管形成者共880例,男420例,女460例;年龄16～70岁。其中前牙686个,前磨牙256个,磨牙103个,共1045个患牙。1.2　方法　牙根管清理 Since January 1993, we have used oral microwave machine to disinfect 880 cases of root canal disease and achieved good results. 1 Clinical data 1.1 General Various types of apical periodontitis, pulp necrosis, gangrene or abscess, a total of 880 cases of fistula formation, 420 males and 460 females; aged 16 to 70 years. Among them, there are 686 anterior teeth, 256 anterior teeth, 103 molars, a total of 1,045 teeth. 1.2 Methods Root canal cleaning