Seroprevalence of Hepatitis B, Hepatitis C among Dental Technicans Admitted to Occupational Diseases Hospital

Hepatitis B (HBV) and Hepatitis C (HCV) are blood borne pathogens which are health problems globally [1]. HBV and HCV viruses are the major cause of viral hepatitis. The cause acutechronic hepatitis which can lead cirrhosis and hepatocellular carcinoma [2]. It is estimated that 240 million people are infected with HBV and 130-170 million with HCV. Chronic hepatitis B and C are the cause of 60-70% of hepatocellular carcinoma worldwide [3]. Prevalence of HCV infection varies 0.3% to 13% among geographic regions. It has the highest prevalence in Central Africa and South-Eastern Asia [2]. Prevalence of HBV infection is classiified by the World Health Organisation (WHO) as high endemicity (>8%), intermediate (2-7%) and low endemicity (<2%) [4]. Turkey is accepted as intermediate endemicity country [5].