乙型肝炎在我国许多地区发病率较高。在医院内,人们一般都认为,干传染科或内科的医生因与乙型肝炎病人接触机会较多,最容易受到感染。但事实上却并非如此。相对来说,口腔科医生更容易受感染。据国外报告,口腔科医生的乙型肝炎感染率为21％,而一般医生为5％。而且有乙型肝炎感染史的口腔科医生中70％的感染来源可追溯到口 Hepatitis B has a high incidence in many areas of our country. In hospitals, it is generally accepted that doctors in dry and internal medicine are most at risk because of exposure to hepatitis B patients. But in fact it is not. Relatively speaking, dentists are more susceptible to infection. According to foreign reports, the prevalence of hepatitis B infection in dentists is 21%, while the average doctor is 5%. And 70% of stomatologists with a history of hepatitis B can be traced back to the source of the infection