Root Canal Treatment Clinical Trial
Official title:
Influence of the Timing of Post-endodontic Restoration Placement on the Survival of Root Canal-treated Teeth
| Verified date | June 2024 |
| Source | University of Göttingen |
| Contact | n/a |
| Is FDA regulated | No |
| Health authority | |
| Study type | Observational |
The aim of this study is to assess the influence (i.e. type and timing) of post-endodontic restorations on the survival of root canal-treated teeth and to determine the influence of patient-, tooth-, treatment-, and restoration-specific parameters on longevity. Patients who received a root-canal treatment between 1998 and 1999 with subsequent placement of an indirect restoration (e.g. crown, partial crown) will be retrospectively analyzed. Patient-, tooth-, treatment-, and restoration-specific parameters will be obtained from digital and paper-based dental records. Survival and success of the root-canal treatments will be assessed using Kaplan-Meier statistics. Mean annual failure rates (mAFR) and median survival time will be calculated (Kaplan-Meier statistics). Potential predictive factors will be tested using log-rank tests and multi-variate Cox-regression analysis.
| Status | Enrolling by invitation |
| Enrollment | 1000 |
| Est. completion date | June 2025 |
| Est. primary completion date | June 2025 |
| Accepts healthy volunteers | No |
| Gender | All |
| Age group | N/A and older |
| Eligibility | Inclusion Criteria: - Patients who received a root-canal treatment followed by the placement of an indirect post-endodontic restoration (e.g. partial crowns, crowns) within the Department of Preventive Dentistry, Periodontology and Cariology between 1998 and 1999. Exclusion Criteria: - None. |
| Country | Name | City | State |
|---|---|---|---|
| Germany | University Medical Center Göttingen, Dept. of Preventive Dentistry, Periodontology and Cariology | Göttingen | Lower Saxony |
| Lead Sponsor | Collaborator |
|---|---|
| University of Göttingen |
Germany,
| Type | Measure | Description | Time frame | Safety issue |
|---|---|---|---|---|
| Primary | Success of endodontic treatment | Success is defined as the time-interval without a subsequent endodontic re-intervention or extraction of the tooth. | 1998-2023 | |
| Secondary | Survival of the tooth | Survival of the tooth is defined as the time-interval without extraction of the tooth. | 1998-2023 |
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