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Completed No phase listed Observational Accepts healthy volunteers

DPBRN Longitudinal Study of Questionable Occlusal Caries Lesions

ClinicalTrials.gov ID: NCT01309971

Public ClinicalTrials.gov record NCT01309971. 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 Oct 21, 2026, 4:54 AM EDT

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

Official title

Longitudinal Study of Questionable Occlusal Caries Lesions

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study will allow us to observe and follow the subjects' treatment from DPBRN Prevalence of Questionable Occlusal Caries Lesions Study over a 24 month period.

Study identification

NCT ID
NCT01309971
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Enrollment
2,624 participants

Conditions and interventions

Conditions

Interventions

Not listed

Eligibility (public fields only)

Age range
6 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
Aug 2008 (Type not available)
Primary completion
Mar 2010 (Actual)
Completion
Dec 2011 (Actual)
Last update posted
Feb 19, 2014

2008 – 2011

United States locations

U.S. sites
6
U.S. states
4
U.S. cities
4
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35294-0007 —
University of Florida College of Dentistry Gainesville Florida 32610 —
Health Partners Dental Group Minneapolis Minnesota 55440-1309 —
Health Partners Research Foundation Minneapolis Minnesota 55440-1524 —
Kaiser Permanente Center for Health Research Portland Oregon 97227 —
Permanente Denrtal Associates Portland Oregon 97232 —

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01309971, 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 Feb 19, 2014 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01309971 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →