DPBRN Reasons for Placing the First Restoration on Permanent Tooth Surfaces

ClinicalTrials.gov ID: NCT00847470

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Official title

Reasons for Placing the First Restoration on Permanent Tooth Surfaces

Brief summary

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

The purpose of this study was to document the reasons for placing the first restoration ("filling") on a previously un-restored surface in a permanent ("adult") tooth.

Study identification

NCT ID: NCT00847470
Recruitment status: Completed
Study type: Observational
Phase: Not listed
Lead sponsor: Dental Practice-Based Research Network; Network
Enrollment: 5,810 participants

Conditions and interventions

Conditions

Dental Caries

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: Jun 2006 (Type not available)
Primary completion: Dec 2008 (Actual)
Completion: Dec 2008 (Actual)
Last update posted: Nov 18, 2014

2006 – 2008

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	—
University of Florida College of Dentistry	Gainesville	Florida	—	—
Health Partners Dental Group	Minneapolis	Minnesota	—	—
Health Partners Research Foundation	Minneapolis	Minnesota	—	—
Kaiser Permanente Center for Health Research	Portland	Oregon	—	—
Permanente Denrtal Associates	Portland	Oregon	—	—

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 NCT00847470, 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 Nov 18, 2014 · Synced Nov 12, 2026