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Ann Intern Med. 1994 Dec 1;121(11):855-9.

Lack of HIV transmission in the practice of a dentist with AIDS.

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  • 1Division of HIV/AIDS (G29), Centers for Disease Control and Prevention, Atlanta, GA 30333.



To determine whether dentist-to-patient or patient-to-patient transmission of human immunodeficiency virus (HIV) occurred in the practice of a dentist who had the acquired immunodeficiency syndrome (AIDS).


Retrospective epidemiologic investigation supported by molecular virology studies.


The practice of a dentist with AIDS in an area with a high AIDS prevalence.


A dentist with AIDS, his former employees, and his former patients, including 28 patients with HIV infection.


Identification of potential risks for acquisition of HIV infection, genetic relatedness among HIV strains, and infection-control practices.


A dentist with known behavioral risks for HIV infection, who was practicing in an area of Miami, Florida, that had a high rate of reported AIDS cases, disclosed that he frequently did invasive procedures and did not always follow recommended infection-control procedures. Of 6474 patients who had records of receiving care from the dentist during his last 5 years of practice, 1279 (19.8%) were known to have been tested for HIV infection and 24 of those (1.9%) were seropositive. Four other patients with HIV infection were identified through additional case-finding activities. Of these 28 patients with HIV infection, all but 4 had potential behavioral risk factors for infection. Phylogenetic tree analysis of HIV genetic sequences from the dentist and 24 of the patients with HIV infection showed an absence of strong bootstrap support for any grouping and therefore did not indicate that the virus strains were linked.


Despite identifying numerous patients with HIV infection, we found no evidence of dentist-to-patient or patient-to-patient transmission of HIV during dental care. Our findings are consistent with those of all previous studies in this area, with the exception of one that did identify such transmission.

[PubMed - indexed for MEDLINE]
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