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Aerosol generated by dental procedures: A scoping review.
Marina Tavares Costa Nóbrega1, Renata Travassos da Rosa Moreira Bastos2, Paulo Mecenas2
1Department of Dentistry, State University of Paraíba, Campina Grande, Paraíba, Brazil.
Journal of Evidence-Based Medicine
|December 22, 2021
Summary
Dental procedures generate aerosols, but understanding their contamination level, spread, and duration remains limited. This review assessed aerosol dispersion in dental settings.
Area of Science:
- Dental hygiene
- Infectious disease transmission
- Public health
Background:
- The COVID-19 pandemic highlighted the risks of aerosol dispersion in dental environments.
- Dental procedures are known to generate aerosols, posing potential health risks.
Purpose of the Study:
- To conduct a scoping review assessing the quantity and spread of aerosols generated during dental procedures.
- To synthesize current knowledge on aerosol generation in dental settings.
Main Methods:
- A comprehensive scoping review following the PRISMA-ScR protocol.
- Extensive database searches with no restrictions on publication year, study design, or location.
- Literature search updated as of September 15, 2021.
Main Results:
- 51 papers were included, with publications ranging from 1969 to 2021.
- Most studies detected microorganisms, bloodstains, aerosol splatters, and airborne particles.
- Various factors influencing aerosol and spatter amount and spread were identified across diverse dental settings.
Conclusions:
- Microbial contamination is evident during aerosol-generating dental procedures.
- Significant gaps exist in understanding the precise levels, spread patterns, and half-life of dental aerosols.
- Further research is needed to fully characterize and mitigate aerosol risks in dentistry.
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