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Chang, Lee, and Han: Microbial Contaminations of Ultrasonic Scalers, High-Speed Handpieces and Water Syringe Lines
Original Article

The Journal of the Korean Academy of Periodontology 1997; 27(4): 941-947.

Published online: 31 December 1997

DOI: https://doi.org/10.5051/jkape.1997.27.4.941

Microbial Contaminations of Ultrasonic Scalers, High-Speed Handpieces and Water Syringe Lines

Beom-Seok Chang1, Jung-Yun Lee2, Soo-Boo Han2

1Department of Peirodontology, School of Dentistry, Kannung National University, Korea.

2Department of Periodontology, School fo Dentistry, Seoul National University and Dental Research Institute, Korea.

Copyright © 1997 Korean Academy of Periodontology

Abstract

The purpose of this study was to evaluate various methods of decontamination of ultrasonic scalers, high-speed handpieces and air-water syringes in dental equipments.
Eimination of possible sources of microbial infection in dental operatories should be of primary importance.
Microbial contamination levels of high speed handpieces, air-water syringes and ultrasonic scalers of 11 dental units in Seoul National University Hospital were evaluated after flushing the lines, alcohol sponge rubbing, or soaking in 0.1% chlorhexidine for 1,3 and 5 minutes.
The result suggests that flushing the lines or soaking the tips in 0.1% chlorhexidine before use of the water systems may reduce the microbial levels. Soaking in 0.1% chlorhexidine for 5 minutes was most effective in reducing bacterial contamination.

Keywords: Dental equipment, microbial infection, high speed handpiece, air-water syringe, ultrasonic scaler, flushing, alcohol, chlorhexidine

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