The infection control practices of general dental practitioners.

Important note: Information in this article was accurate in 1998. The state of the art may have changed since the publication date.

The infection control practices of general dental practitioners.

Infect Control Hosp Epidemiol. 1997 Oct;18(10):699-703. Unique Identifier : AIDSLINE MED/98011549
McCarthy GM; MacDonald JK; School of Dentistry, Faculty of Medicine and Dentistry, University of; Western Ontario, London, Canada.

Abstract: OBJECTIVES: To investigate the infection control practices of general dentists in Ontario in 1994. DESIGN: Confidential coded questionnaires were mailed to all general dental practitioners in Ontario (n = 5,176), with three follow-up attempts. Data were analyzed using Pearson's chi-squared test and multiple logistic regression. SETTING: Offices of general dental practitioners in Ontario. PARTICIPANTS: General dental practitioners actively involved in treating patients. RESULTS: The response rate adjusted for nondelivery was 70%. A high proportion of respondents reported using gloves (always, 91.8%; sometimes, 7.8%), masks (always, 74.8%; sometimes, 21.1%), or protective eyewear (always, 83.6%; sometimes, 13%); heat sterilization of handpieces (83.9%); and hepatitis B (HBV) vaccination of dentists 92.3%). However, only 61.4% of respondents reported HBV vaccination of all clinical staff, and 87.7% used additional precautions for patients with human immunodeficiency virus (HIV). Significant predictors of the use of recommended infection control procedures (i.e., always using gloves, masks, and eye protection; heat sterilization of handpieces; HBV vaccination for dentist and staff; and no extra precautions for patients with HIV) were age < 40 years (odds ratio [OR], 2.6), lack of concern regarding increased personal risk (OR, 2.0) or costs of infection control procedures (OR, 1.5), and knowledge of the low infectivity of HIV after a needlestick injury (OR, 2.0) and that infection control procedures for HBV are adequate for HIV (OR, 2.7). CONCLUSION: Additional education is required to promote a more realistic perception of risk of HIV transmission in the dental office and the use of all recommended infection control practices, including Universal Precautions.

Keywords: *Blood-Borne Pathogens *Cross Infection/PREVENTION & CONTROL *Dental Care *Universal Precautions
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