Microbial contamination of used dental handpieces

Microbial contamination of used, unprocessed internal components of dental handpieces (HPs) was assessed. HPs were dismantled aseptically, immersed in phosphate-buffered saline, ultrasonicated, and cultured. A median of 200 CFU per turbine (n = 40), 400 CFU per spray channel (n = 40), and 1000 CFU p...

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Bibliographic Details
Published in:American journal of infection control 2014-09, Vol.42 (9), p.1019-1021
Main Authors: Smith, Gordon, BSc Hons, MRes, PhD, Smith, Andrew, BDS, FDS RCS, FRCPath, PhD
Format: Article
Language:English
Subjects:
Bacteria - growth & development
Biofilm
Contamination
Cross Infection - microbiology
Cross Infection - prevention & control
Cross-infection
Dental Instruments - microbiology
Dental turbine
Disinfection - methods
Equipment Contamination - prevention & control
Humans
Infection Control
Infectious Disease
Phosphates
Staphylococcus aureus
Staphylococcus infections
Sterilization
Sterilization - methods
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Summary:Microbial contamination of used, unprocessed internal components of dental handpieces (HPs) was assessed. HPs were dismantled aseptically, immersed in phosphate-buffered saline, ultrasonicated, and cultured. A median of 200 CFU per turbine (n = 40), 400 CFU per spray channel (n = 40), and 1000 CFU per item of surgical gear (n = 20) was detected. Isolates included oral streptococci, Pseudomonas spp, and Staphylococcus aureus . Recovery of S aureus confirms the need for appropriate HP cleaning and sterilization after each patient to prevent cross-infection.
ISSN:0196-6553
1527-3296
DOI:10.1016/j.ajic.2014.06.008