J Dent Rehabil Appl Sci.  2019 Mar;35(1):27-36. 10.14368/jdras.2019.35.1.27.

The survey on the infection control of noncritical instruments used in dental treatment

• Kim JH
• Lee JH

• KMID: 2450923
• DOI: http://doi.org/10.14368/jdras.2019.35.1.27

Abstract

PURPOSE
The aims of this study were to evaluate the dentist's awareness and the actual status of infection control of noncritical dental instruments.
MATERIALS AND METHODS
40 dental clinics in Daejeon, South Chungcheong, North Chungcheong and North Jeolla provinces were surveyed. The questionnaire was delivered to the dentists belonging to those clinics, and the awareness and the practice of infection control were examined. The microbial contamination on the surface of five noncritical instruments (impression gun, light curing unit, 3-way syringe, shade guide, and dental floss dispenser) used by them was measured with an ATP luminometer. Correlation analysis between the awareness and the actual state of infection control was conducted.
RESULTS
Awareness and frequency of infection control was highest in the 3-way syringe. Surface disinfection using disinfectant was most frequent in all instruments. 3-way syringes and shade guides were less contaminated than impression guns, light curing units, and dental floss dispensers.
CONCLUSION
3-way syringes had a significant correlation between user awareness of infection control and surface contamination, and the higher awareness, the lower the contamination measurement was shown.

Keyword

infection control; dental instrument; noncritical instrument; surface contamination

MeSH Terms

Adenosine Triphosphate
Dental Clinics
Dental Devices, Home Care
Dental Instruments
Dentists
Disinfection
Firearms
Humans
Infection Control*
Syringes
Adenosine Triphosphate

Figure

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  Fig. 1 Dental instruments for survey of infection control. (A) Impression gun, (B) Light curing unit, (C) 3-way syringe, (D) Shade guide, (E) Floss silk dispenser

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  Fig. 2 Measurement devices for microbial contamination (Left: SystemSURE plus™ ATP Luminometer, Right: Ultrasnap™ ATP swab).

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  Fig. 3 Responses about infection control methods.

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  Fig. 4 Boxplot with median and inter quartile range of surface contamination (RLU/cm2). *P < 0.05, **P < 0.01.

Reference

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