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汪迪光(连云港市卫生防疫站)调查黄磷车间65名磷作业工人,工龄3~13年;并选择61名机修工人作对照组,当车间空气中磷蒸气平均浓度为0.095mg/m~3,五氧化二磷(P_2O_5)平均浓度为5.0mg/m~3时,工人主诉有头晕(69.4%),乏力(35.4%)等症状,与对照组比较,有非常显著差异(P<0.01)。口腔临床表现有牙龈炎(75.5%),牙齿脱落(33.8%),牙龈出
Wang Diguang (Lianyungang Health and Epidemic Prevention Station) investigated phosphorus phosphorus 65 workers working in the phosphorus plant, length of service 3 to 13 years; and select 61 mechanics as a control group, when the plant average phosphorus vapor concentration of 0.095mg / m ~ 3, When the average concentration of P2O5 was 5.0mg / m3, workers complained of dizziness (69.4%), fatigue (35.4%) and other symptoms. There was a significant difference (P <0.01) compared with the control group. Clinical manifestations of oral gingivitis (75.5%), tooth loss (33.8%), gingival out