The Efficacy of High-Volume Evacuators and Extraoral Vacuum Aspirators in Reducing Aerosol and Droplet in Ultrasonic Scaling Procedures during the COVID-19 Pandemic

Suwandi, Trijani; Nursolihati, Vidya; Sundjojo, Mikha; Widyarman, Armelia Sari

doi:10.1055/s-0041-1739448

Cited by 10 publications

(13 citation statements)

References 24 publications

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“…In practical applications, the combination of HVE and ESU has proven to be more effective than HVE alone [ 95 ]. This is consistent with the finding of another study that HVE combined with ESU was superior to a saliva ejector alone or a combination of a saliva ejector and HVE for reducing aerosols and water droplets [ 100 ]. However, the use of these filtration devices inevitably presents some noise issues [ 101 ].…”

Section: Dust Controlsupporting

confidence: 92%

Characterization of dental dust particles and their pathogenicity to respiratory system: a narrative review

Ding

et al. 2023

Clin Oral Invest

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Objectives Dental professionals are exposed to large amounts of dust particles during routine treatment and denture processing. This article provides a narrative review to investigate the most prevalent dust-related respiratory diseases among dental professionals and to discuss the effects of dental dust on human respiratory health. Materials and methods A literature search was performed in PubMed/Medline, Web of Science, and Embase for articles published between 1990 and 2022. Any articles on the occupational respiratory health effects of dental dust were included. Results The characterization and toxicity evaluation of dental dust show a correlation between dust exposure and respiratory system injury, and the possible pathogenic mechanism of dust is to cause lung injury and abnormal repair processes. The combination use of personal protective equipment and particle removal devices can effectively reduce the adverse health effects of dust exposure. Conclusions Dental dust should be considered an additional occupational hazard in dental practice. However, clinical data and scientific evidence on this topic are still scarce. Further research is required to quantify dust in the dental work environment and clarify its pathogenicity and potential toxicological pathways. Nonetheless, the prevention of dust exposure should become a consensus among dental practitioners. Clinical relevance This review provides dental practitioners with a comprehensive understanding and preventive advice on respiratory health problems associated with dust exposure.

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Section: Dust Controlsupporting

confidence: 92%

Characterization of dental dust particles and their pathogenicity to respiratory system: a narrative review

Ding

et al. 2023

Clin Oral Invest

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“…Onoyama et al 64 Dental irrigant Irrigant from the dental unit contributes to the aerosol microbiota much rather than saliva Meethil et al 65 Commonly used evacuation or suction system High-volume evacuator, extraoral vacuum aspirator, and extraoral suction device reduce the generation of dental aerosol, droplet, and splatter Suwandi et al 66 Noordien et al 67 Potential ability of saliva Human saliva exhibits the antiviral activity and the property to inhibit SARS-CoV-2 cellular entry and infection Sakaguchi et al 8 Malamud et al 68 Drozdzik and Drozdzik 71 Tsukinoki et al 72 Abbreviations: COVID-19, coronavirus disease 2019; HIV, human immunodeficiency virus; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.…”

Section: Efficacy Of Dental Aerosol Generationmentioning

confidence: 99%

The Oral Cavity Potentially Serving as a Reservoir for SARS-CoV-2 but Not Necessarily Facilitating the Spread of COVID-19 in Dental Practice

Tsuchiya

2022

Eur J Dent

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Intraoral tissues, secretions, and microenvironments may provide severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) with the conditions necessary for viral cellular entry and inhabitation. The aim of the present study is to overview the oral cavity that potentially serves as a reservoir for SARS-CoV-2, and then discuss the possibility that such oral cavity facilitates the spread of coronavirus disease 2019 (COVID-19) in dental practice. Articles were retrieved from PubMed/Medline, LitCovid, ProQuest, Google Scholar, and preprint medRxiv databases. Results of the literature search indicated that SARS-CoV-2 host cell entry-relevant receptor and virus/cell membrane fusion mediators are expressed in major and minor salivary glands, tongue, taste bud, periodontal tissue, and dental pulp, which would be a target and reservoir for SARS-CoV-2. SARS-CoV-2 is present in saliva and gingival crevicular fluid of COVID-19 patients. These secretions would contaminate dental aerosol and droplet with SARS-CoV-2. SARS-CoV-2 inhabits periodontal pocket, gingival sulcus, and dental caries lesion, which could provide SARS-CoV-2 with a habitat. SARS-CoV-2 ribonucleic acid is preserved in dental calculus, which may inform of the previous infection with SARS-CoV-2. Despite involvement of the oral cavity in SARS-CoV-2 transmission and infection, to date, there have been no clusters of COVID-19 in dental practice. Dental settings are much less likely to facilitate the spread of COVID-19 compared with general medical settings, which may be explained by the situation of dentistry that the number of patients to visit dental offices/clinics was decreased during the COVID-19 pandemic, the characteristics of dentistry that dental professionals have maintained high awareness of viral infection prevention, adhered to a strict protocol for infection control, and been using personal protective equipment for a long time, the experimental results that dental devices generate only small amounts of aerosol responsible for the airborne viral transmission, irrigant from the dental unit contributes to the aerosol microbiota much rather than saliva, and the commonly used evacuation or suction system effectively reduces aerosol and droplet generation, and the possibility that human saliva exhibits the antiviral activity and the property to inhibit SARS-CoV-2 infection. It is considered that dental treatment and oral health care can be delivered safely in the COVID-19 era.

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“…Therefore, it is important to determine the usefulness of the EOV as a local exhaust in the dental office room. 34,35 Although aerosols measuring ≤0.3 μm are generated in dental practices such as scaling or tooth formation, this study assumes infection by bacteria attached to the prosthetic metal; so, we did not consider 0.3 μm at the silicon point, where generation by grinding is considered extremely small. Therefore, we excluded 0.3 μm at the silicon point, 0.3 μm at the carborundum point, and 0.5 μm at the carborundum point.…”

Section: Discussionmentioning

confidence: 99%

Effective use of an extraoral vacuum in preventing the dispersal of particulate matter from metal dental materials

Suito

Fujimoto

Goto

et al. 2023

Journal of Occupational Health

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ObjectivesWhen dentists adjust prostheses at the dental chairside, particulate matter (PM) from the dental material is dispersed. Little is known about the effective use of an extraoral vacuum (EOV) in preventing PM dispersal. This study aimed to evaluate the effective use of an EOV in preventing the dispersal of metal PM in dental offices.MethodsThe following experimental conditions were planned: the distance from the EOV to the metallic materials (50, 100, 150, and 200 mm), the horizontal angle between the long axis of the micromotor handpiece and EOV (0°, 45°, and 90°), and the operating time of the EOV (during grinding, during grinding and 1 min thereafter, during grinding and the preceding 1 min, 1 min before and after grinding, and during grinding). Carborundum and silicone points were used for grinding and PM dispersal. Diameters (0.3, 0.5, 1.0, and 3.0 μm) were measured using a laser particle counter.ResultsDepending on the instrument used to grind, there were undetectable PMs of different diameters (Carborundum point: 0.3 and 0.5 μm, Silicone point: 0.3 μm). PMNs were reduced as the distance from the EOV to metal materials decreased. Operating the EOV before grinding along the long axis of the micromotor handpiece was effective in reducing the PMNs.ConclusionPMNs dispersed when grinding metals were effectively reduced by positioning the EOV closer to the grinding surface (within 150 mm) along the long axis of the micromotor handpiece and operating the EOV before grinding.

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The Efficacy of High-Volume Evacuators and Extraoral Vacuum Aspirators in Reducing Aerosol and Droplet in Ultrasonic Scaling Procedures during the COVID-19 Pandemic

Cited by 10 publications

References 24 publications

Characterization of dental dust particles and their pathogenicity to respiratory system: a narrative review

Characterization of dental dust particles and their pathogenicity to respiratory system: a narrative review

The Oral Cavity Potentially Serving as a Reservoir for SARS-CoV-2 but Not Necessarily Facilitating the Spread of COVID-19 in Dental Practice

Effective use of an extraoral vacuum in preventing the dispersal of particulate matter from metal dental materials

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