title: Hepatitis B: update on prevention.
mesh_terms: D003428:Cross Infection / Q000517:prevention & control*; D003727:Dental Auxiliaries; D003748:Dental Equipment / Q000592:standards; D003815:Dentists; D006509:Hepatitis B / Q000635:transmission; D006801:Humans; D013242:Sterilization / Q000379:methods