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Handwashing II: Pre-procedure and Initial Procedure Steps01:19

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Related Experiment Video

Updated: Nov 20, 2025

Nasal Brushing Sampling and Processing Using Digital High Speed Ciliary Videomicroscopy – Adaptation for the COVID-19 Pandemic
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Preprocedural Pool Testing Strategy for Dentistry during the COVID-19 Pandemic.

F Umer1, A Arif1

  • 1Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan.

JDR Clinical and Translational Research
|January 22, 2021
PubMed
Summary
This summary is machine-generated.

Pool testing for SARS-CoV-2 is a cost-effective preprocedural test for dental patients undergoing aerosol-generating procedures. This method is useful for asymptomatic individuals, especially in low-prevalence settings, and helps conserve resources.

Keywords:
clinical laboratory techniquescoronavirus infections/diagnosiseconomicspandemicspolymerase chain reactionspecimen handling

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Large-Scale SARS-CoV-2 Testing Utilizing Saliva and Transposition Sample Pooling
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Large-Scale SARS-CoV-2 Testing Utilizing Saliva and Transposition Sample Pooling

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Area of Science:

  • Dentistry
  • Infectious Diseases
  • Public Health

Background:

  • Aerosol-generating procedures (AGPs) in dentistry pose a risk of SARS-CoV-2 transmission to dental professionals.
  • Preprocedural testing for SARS-CoV-2 was recommended for asymptomatic patients undergoing AGPs.
  • Pool testing offers a cost-effective approach for mass preprocedural testing with comparable accuracy to PCR.

Purpose of the Study:

  • To evaluate the effectiveness and utility of incorporating SARS-CoV-2 preprocedural testing in dental clinics before AGPs.
  • To assess the role of pool testing as a preprocedural screening method for asymptomatic dental patients.

Main Methods:

  • Patients recommended for AGPs where rubber dam isolation was not feasible were advised preprocedural SARS-CoV-2 testing.
  • A pool testing strategy was implemented, with testing conducted 48 hours prior to the dental procedure.
  • Data collected from June to July 2020 on patient testing and outcomes.

Main Results:

  • Of 464 patients recommended for dental procedures, 194 required AGPs without rubber dam isolation.
  • Out of 83 patients who underwent pool testing, 7 (8.4%) tested positive for SARS-CoV-2.
  • 111 patients deferred both the procedure and testing.

Conclusions:

  • Pool testing is a viable and cost-effective preprocedural test for asymptomatic, low-risk dental patients undergoing AGPs, particularly in areas with low to moderate disease prevalence.
  • This strategy can significantly reduce testing costs and conserve valuable resources.
  • Ethical considerations associated with preprocedural testing require careful attention and management.