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Clinical Evaluation of Discoloration Induced by Root Canal Treatment in Vital and Devital Teeth

NCT07781969 · Status: ACTIVE_NOT_RECRUITING · Type: OBSERVATIONAL · Enrollment: 52

Last updated 2026-08-27

No results posted yet for this study

Summary

This prospective observational study aims to evaluate and compare tooth discoloration following root canal treatment in vital and devital teeth. Patients with maxillary premolar teeth requiring root canal treatment are included in the study. Before treatment, the teeth are classified as vital or devital based on their pulpal status. All teeth receive root canal treatment and coronal restoration using a standardized clinical protocol. Tooth color is objectively measured with a spectrophotometer before treatment and at 3, 6, and 9 months after treatment. Changes in tooth color over time are evaluated and compared between vital and devital teeth.

Conditions

  • Tooth Discoloration Following Root Canal Treatment
  • Tooth Discoloration

Interventions

PROCEDURE

Root Canal Treatment

Root canal treatment is performed in a single visit by the same operator using a standardized clinical protocol. Following local anesthesia and rubber dam isolation, an access cavity is prepared and the working length is determined using an electronic apex locator and confirmed with periapical radiography. Root canals are prepared using a nickel-titanium rotary instrumentation system. Sodium hypochlorite (NaOCl) is used during instrumentation, followed by a final irrigation protocol with 17% ethylenediaminetetraacetic acid (EDTA) and 2.5% NaOCl with irrigant activation. The canals are subsequently dried with sterile paper points. Root canal obturation is performed in the same visit using gutta-percha and AH Plus root canal sealer with the cold lateral condensation technique. After obturation, excess gutta-percha is removed and the coronal level of the root canal filling is standardized at approximately 2 mm apical to the cementoenamel junction. Residual root canal sealer is removed fr

Sponsors & Collaborators

  • Marmara University

    lead OTHER

Eligibility

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

Timeline & Regulatory

Start
2025-09-16
Primary Completion
2026-10-30
Completion
2026-10-30

Countries

  • Turkey (Türkiye)

Study Locations

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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 NCT07781969 on ClinicalTrials.gov