电解铝生产采用熔盐电解法 ,需要加入大量冰晶石 (Al F3· 3Na F)及其他氟盐等配成的电解质。生产过程中 ,可产生大量氟化氢、氟化物粉尘、氧化铝粉尘。为了解氟化物对鼻咽部及牙周粘膜的损害 ,笔者对某铝厂进行了调查。1　对象与方法1 .1　对象 :某铝厂职工 34 7名 ,接触组为 Electrolytic aluminum production using molten salt electrolysis, the need to join a large amount of cryolite (Al F3 · 3Na F) and other fluoride salts and other dubbed electrolyte. Production process, can produce a large number of hydrogen fluoride, fluoride dust, alumina dust. In order to understand the damage of fluoride to the nasopharynx and periodontal mucosa, I conducted a survey on an aluminum plant. 1 objects and methods 1.1 object: an aluminum plant workers 34 7, contact group