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Evaluating spatter and aerosol contamination during dental procedures
C D Bentley1, N W Burkhart, J J Crawford
1Department of Diagnostic Sciences, University of North Carolina, Chapel Hill 27599-7450.
Summary
High-speed dental tools create hazardous spatter and aerosols. This pilot study found significant contamination risks for dental staff from these airborne particles, highlighting the need for safety measures.
Area of Science:
- Dentistry
- Infection Control
- Occupational Health
Background:
- High-speed dental instrumentation is essential for many procedures.
- The generation of aerosols and spatter during dental work is a known concern.
- Understanding the dissemination patterns of these particles is crucial for protecting dental personnel.
Purpose of the Study:
- To evaluate the distribution and spread of spatter and aerosols produced by high-speed dental instrumentation.
- To assess the extent of contamination in the operatory environment.
Main Methods:
- A pilot study was conducted in two phases.
- Phase 1 involved adding fluorescent dye to the dental handpiece water supply.
- Phase 2 utilized blood agar culture plates placed within the dental operatory to detect microbial dissemination.
Main Results:
- Fluorescent dye demonstrated the dispersal of fluids from the instrumentation.
- Blood agar plates indicated microbial contamination in the operatory environment.
- The study confirmed significant dissemination of spatter and aerosols.
Conclusions:
- Contamination from spatter and aerosol dissemination poses a substantial risk to dental personnel.
- Effective infection control measures are necessary to mitigate these hazards.
- Further research is warranted to develop and validate protective strategies.