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Deep Margin Elevation in Endodontically Treated Posterior Teeth

NCT07661719 · Status: ACTIVE_NOT_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 45

Last updated 2026-07-02

No results posted yet for this study

Summary

This study aims to evaluate the periodontal response of proximal surfaces with deep margin elevation (DME) in endodontically treated posterior teeth restored with CAD/CAM systems. Deep subgingival margins present clinical challenges in terms of isolation, restoration, and long-term periodontal health.

DME is a minimally invasive technique used to relocate subgingival margins coronally to a supragingival level, facilitating adhesive procedures and CAD/CAM restoration placement. However, the periodontal effects of DME remain unclear.

In this prospective split-tooth clinical study, proximal surfaces treated with DME will be compared with control surfaces without DME within the same tooth. The primary outcome will be bleeding on probing (BOP), while secondary outcomes will include probing depth and plaque index. Clinical and radiographic evaluations will be performed at baseline and during follow-up.

The results of this study are expected to provide clinical evidence regarding the periodontal impact of DME and support clinical decision-making in the restoration of endodontically treated posterior teeth.

Conditions

  • Periodontal Health
  • Endodontically Treated Teeth

Interventions

PROCEDURE

Deep Margin Elevation

Deep margin elevation (DME) is performed by relocating subgingival proximal margins coronally using a high-filled injectable composite resin following adhesive procedures, prior to CAD/CAM restoration placement.

PROCEDURE

CAD/CAM Restoration Without DME

Restorative treatment is performed without deep margin elevation, where proximal margins remain at supragingival or equigingival levels and are restored using CAD/CAM systems.

Sponsors & Collaborators

  • Hacettepe University

    lead OTHER

Principal Investigators

  • Şükran Bolay, Prof. · Hacettepe University

  • Büşra Kara Yıldız · Hacettepe University

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

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

Timeline & Regulatory

Start
2026-03-24
Primary Completion
2026-10-24
Completion
2027-04-24

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 NCT07661719 on ClinicalTrials.gov