Author response for "Aerosol transmission for SARS‐CoV‐2 in the dental practice. A review by SIdP Covid 19 task‐force"

Clementini, Marco; Raspini, Mario; Luigi, Barbato; Bonfante, Francesco; Braga, Giovanni; Gioia, Claudio Di; Cristiano, None Littarru; Oreglia, Francesco; Brambilla, Eugenio; Iavicoli, Ivo; Vilma, Pinchi; Landi, L.; Marco, None Sforza Nicola; Cavalcanti, Raffaele; Crea, Alessandro; Cairo, Francesco

doi:10.1111/odi.13649/v2/response1

2020

DOI: 10.1111/odi.13649/v2/response1

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Author response for "Aerosol transmission for SARS‐CoV‐2 in the dental practice. A review by SIdP Covid 19 task‐force"

Marco Clementini¹,

Mario Raspini²,

Barbato Luigi³

et al.

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Prevalence of SARS-CoV-2 IgG antibodies among dental teams in Germany

et al. 2022

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Objectives During the corona pandemic, dental practices temporarily closed their doors to patients except for emergency treatments. Due to the daily occupational exposure, the risk of SARS-CoV-2 transmission among dentists and their team is presumed to be higher than that in the general population. This study examined this issue among dental teams across Germany. Materials and methods In total, 2784 participants provided usable questionnaires and dry blood samples. Dry blood samples were used to detect IgG antibodies against SARS-CoV-2. The questionnaires were analyzed to investigate demographic data and working conditions during the pandemic. Multivariable logistic mixed-effects models were applied. Results We observed 146 participants with positive SARS-CoV-2 IgG antibodies (5.2%) and 30 subjects with a borderline finding (1.1%). Seventy-four out of the 146 participants with SARS-CoV-2 IgG antibodies did not report a positive SARS-CoV-2 PCR test (50.7%), while 27 participants without SARS-CoV-2 IgG antibodies reported a positive SARS-CoV-2 PCR test (1.1%). Combining the laboratory and self-reported information, the number of participants with a SARS-CoV-2 infection was 179 (6.5%). Though after adjustment for region, mixed-effects models indicated associations of use of rubber dams (OR 1.65; 95% CI: 1.01–2.72) and the number of protective measures (OR 1.16; 95% CI: 1.01–1.34) with increased risk for positive SARS-CoV-2 status, none of those variables was significantly associated with a SARS-CoV-2 status in fully adjusted models. Conclusions The risk of SARS-CoV-2 transmission was not higher among the dental team compared to the general population. Clinical relevance. Following hygienic regulations and infection control measures ensures the safety of the dental team and their patients.

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Prevalence of SARS-CoV-2 IgG antibodies among dental teams in Germany

et al. 2022

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Effects of Natural Ventilation and Saliva Standard Ejectors during the COVID-19 Pandemic: A Quantitative Analysis of Aerosol Produced during Dental Procedures

Rexhepi

Mangifesta

Santilli

et al. 2021

IJERPH

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The novel Coronavirus Disease 2019 (COVID-19) pandemic has renewed attention to aerosol-generating procedures (AGPs). Dental-care workers are at high risk of contamination by SARS-CoV-2. The aim of this study was to evaluate the efficacy of standard saliva ejectors and natural ventilation in reducing particulate matter (PM) concentration during different routine dental procedures in the pandemic period. The DustTrak monitor was used to measure PM1, PM2.5, PM10, and breathable (<4 microns) total dust during 14 procedures performed with and without the presence of natural ventilation in a dental unit. Moreover, measurements were performed near the practitioners or near the standard saliva ejectors during the different procedures. In the latter condition, reduced levels of PM10 were recorded (82.40 ± 9.65 μg/m3 vs. 50.52 ± 0.23 μg/m3). Moreover, higher levels of PM (53.95 ± 2.29 μg/m3 vs. 27.85 ± 0.14 μg/m3) were produced when the dental unit’s windows were open. At the same time, the total level of PM were higher during scaling than during other procedures (data suggest not to adopt natural ventilation—both window and door opened—during dental procedures). It was also demonstrated that the use of standard saliva ejectors can considerably reduce the total released amount of PM10.

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Author response for "Aerosol transmission for SARS‐CoV‐2 in the dental practice. A review by SIdP Covid 19 task‐force"

Cited by 2 publications

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Prevalence of SARS-CoV-2 IgG antibodies among dental teams in Germany

Prevalence of SARS-CoV-2 IgG antibodies among dental teams in Germany

Effects of Natural Ventilation and Saliva Standard Ejectors during the COVID-19 Pandemic: A Quantitative Analysis of Aerosol Produced during Dental Procedures

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