牙科工作环境中汞对医护人员的危害,在60年代前就已经提出这个问题。牙科医生和他们的助手长期接触汞可能出现软弱、战栗、运动失调、易怒等慢性中毒症状。作者在115个牙科诊疗室中随机选择了40个,分为四组、每组10个左右诊疗室。这四个组是:诊疗室铺有地毯及使用散装汞的;铺有地毯及使用密封汞的;地板铺设不透性复盖物及使用密封汞的;地板铺设不透性复盖物及使用散装汞。对这些诊室作了调查,如银汞调拌方法,工作人员工种、工作年限、清洁工作环境方法等,并采取诊疗室空气样品测量其汞浓度(离地一尺和与人头等 The dangers of mercury in the dental work environment to health care workers have been raised before the 1960s. Prolonged exposure of mercury to dentists and their assistants may present symptoms of chronic poisoning such as weakness, trembling, dyskinesia, irritability. The authors randomly selected 40 out of 115 dental practice rooms and divided them into four groups of about 10 clinics each. The four groups are: clinics with carpet and bulk mercury; carpets and sealed mercury; floor impermeable coverings and the use of sealed mercury; impermeable floor coverings and their use Bulk mercury. The clinics were investigated, such as amalgam mixing method, staff type, working life, clean working environment, etc., and take the air samples of the clinic room to measure the mercury concentration