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Completed No phase listed Observational Accepts healthy volunteers

COVID-19-Related Health and Practices Among Dental Hygienists

ClinicalTrials.gov ID: NCT04542915

Public ClinicalTrials.gov record NCT04542915. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 15, 2026, 6:32 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Study identification

NCT ID
NCT04542915
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
American Dental Association
Other
Enrollment
6,976 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 28, 2020
Primary completion
Aug 30, 2021
Completion
Aug 30, 2021
Last update posted
Sep 15, 2021

2020 – 2021

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
American Dental Association Chicago Illinois 60611

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04542915, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Sep 15, 2021 · Synced May 15, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04542915 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →