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Retreat or Replace: Retrospective Investigation on a Cohort of Local Patients

NCT06250114 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 130

Last updated 2024-02-08

No results posted yet for this study

Summary

Introduction: To evaluate the survival and success rate of premolars with a previous root canal treatment which underwent to non-surgical retreatment or to extraction and implant replacement.

Materials and methods: Patients visiting in the Clinical Endodontic Section of the School of Dentistry (University of Bologna) were eligible for the study. Out of these patients, those with previously root canal treated premolars fulfilled the inclusion criteria. Teeth were considered retreatable and restorable (Endo group) or not retreatable and not restorable (Implant group) on the basis of clinical and radiographical examination. Each patient was included in an annual recall programme and final evaluation was performed after 8 years. Clinical parameters were recorded. Differences in baseline characteristics between the two treatment groups were assessed using logistic regression analysis with clustered standard errors. Results were expressed for each variable as odds ratios (ORs) of implant rehabilitation to root canal retreatment with 95% confidence intervals (CIs). Survival and treatment success for the two study groups were estimated using the Kaplan-Meier method. The association of treatment group with time to event was assessed using Cox proportional hazard regression analysis with clustered standard errors to allow for intragroup correlation within teeth belonging to the same patient. Results were expressed as hazard ratios (HRs) of experiencing the study event among implants as compared to root canal retreatments with 95% CIs.

Conditions

  • Endodontic Disease
  • Dental Implant Failed
  • Periapical Diseases

Interventions

OTHER

Retreatment

manual k file, carrier based technique, Xrays, tooth build up, provisional and definitive crowns. Post if necessary will be placed

OTHER

extraction implant

Flapless or flapped techniques, early, delayed and immediate implant insertions. Cement retrained restorations

Sponsors & Collaborators

  • University of Bologna

    lead OTHER

Eligibility

Min Age
18 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2008-01-12
Primary Completion
2023-01-12
Completion
2023-07-12

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06250114 on ClinicalTrials.gov