DPBRN Longitudinal Study of Questionable Occlusal Caries Lesions
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.
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
- Jul 31, 2008
- Primary completion
- Feb 28, 2010
- Completion
- Nov 30, 2011
- Last update posted
- Feb 18, 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 18, 2014 · Synced Sep 5, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01309971 live on ClinicalTrials.gov.