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空管药物疗法是近年来国内外学者有争议的课题。自１９８９年～１９９８年６月我们做了数百例患者的空管药物疗法。本研究从近两年门诊患者中随机选取有完整资料的２００例患者中２３２颗患牙的空管药物疗法进行临床研究。并同时随机选取１００例患者的１１４颗做根管充填...
Airway drug therapy is a controversial topic both at home and abroad in recent years. From 1989 to June 1998 we did hundreds of patients with empty tube drug therapy. In this study, 232 patients with empty teeth from 200 outpatients with complete data were randomly selected from outpatients in recent two years for clinical study. And at the same time randomly selected 114 patients in 100 patients to do root canal filling ...