Contamination by hepatitis B surface antigen in dental surgeries.

Abstract

Contamination by hepatitis B surface antigen in dental surgeries Dental surgeries are believed to be high risk areas for hepatitis B virus infection by virtue of possible contamination by droplets of blood and Environmental surfaces and instruments testedfor hepatitis B surface antigen (HBsAg) by radioimmunoassay Counts/min in Mean counts/min in samples positive seven negative Environmental surfaces No of samples No of samples for HBsAg* controls in kit or instruments tested positive for HBsAg (A) (B)