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临床上常见长期接触一定量的盐酸气体、硫酸和硝酸蒸气的酸类工人,可引起牙齿酸蚀症。牙体硬组织出现冷、热等刺激的过敏反应,牙龈组织常有自发性或激发性出血。本文就染料、颜料、剪刀、助剂、农药等12个工厂生产中的酸类浓度,对牙体损害做了调查研究。对象和方法我们在温州市选择12个工厂做为调查单位。对有接触3年以上的酸类工人,作为调查对象。共检查了1390人。检查项目:询问职业史、酸类接触史,牙体及牙龈检查。体检时用
Clinically common long-term exposure to a certain amount of hydrochloric acid, sulfuric acid and nitric acid vapor acid workers can cause tooth erosion. Tooth hard tissue appear cold, heat and other allergic reactions, gingival tissue often spontaneous or provocative bleeding. In this paper, dyes, pigments, scissors, additives, pesticides and other 12 factories in the production of acid concentration, tooth damage done research. Subjects and methods We selected 12 factories in Wenzhou as the investigation unit. Acid workers who have been in contact with for more than 3 years should be investigated. A total of 1390 people were inspected. Check items: Ask about occupational history, acid exposure history, dental and gingival check. Used when physical examination