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Related Experiment Videos

Dental infection with hepatitis B

S V Williams, C P Pattison, K R Berquist

    JAMA
    |June 23, 1975
    PubMed
    Summary

    This study assessed hepatitis B virus (HBV) transmission risk from two dentists to their patients. No significant difference in HBV antibody development was found between exposed patients and controls, suggesting no patient-to-patient transmission.

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    Area of Science:

    • Hepatology
    • Infectious Diseases
    • Epidemiology

    Background:

    • Hepatitis B virus (HBV) is a significant global health concern.
    • Dental professionals can be reservoirs for infectious diseases, including HBV.

    Purpose of the Study:

    • To prospectively evaluate the risk of HBV infection in patients with routine professional contact with two dentists incubating HBV.

    Main Methods:

    • Prospective study design.
    • Serum samples from exposed patients and household controls were tested for hepatitis B surface antigen and antibody.
    • Testing occurred shortly after dentists' illness onset and again at six months.

    Main Results:

    • None of the 237 exposed patients or 245 controls developed hepatitis B antigen.
    • Three exposed patients and four controls developed hepatitis B antibody.
    • The difference in antibody development between exposed patients and controls was not statistically significant.

    Conclusions:

    • The findings do not support the hypothesis that the two dentists transmitted HBV infection to their patients.
    • Routine dental care involving dentists incubating HBV did not lead to significant patient infection in this cohort.

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