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乙型肝炎目前是发病率极高的常见传染病,乙肝病毒(HBV)存在于病人及无症状携带者的血液和唾液中。实验证明,0.0001毫升的感染血清就足以引起乙肝的传播。口腔医务人员治疗时在病人口腔内操作,经常接触血液、唾液,感染HBV的可能性较大。国外许多报告认为口腔医生乙肝感染率为一般人的数倍,甚至认为乙肝是口腔医生的职业危险,同时又有文献报道口腔医生可直接或间接将HBV传播给病人。为了解
Hepatitis B is currently a common infectious disease with a very high prevalence. Hepatitis B virus (HBV) is present in the blood and saliva of patients and asymptomatic carriers. Experiments show that 0.0001 ml of infected serum is sufficient to cause the spread of hepatitis B. Oral and dental staff in the treatment of patients operating in the mouth, often in contact with blood, saliva, the possibility of infection with HBV. Many foreign reports believe that the rate of hepatitis B infection is twice as high as that of the oral cavity. Even hepatitis B is regarded as the occupational risk of oral cavity surgeons. In the meantime, it is also reported in the literature that oral cavity doctors can directly or indirectly transmit HBV to patients. To understand