NCT06606379

Brief Summary

The aim of this study is to evaluate the interdental separation of various separation systems and their impact on the proximal contact tightness and contour in compound class II nanohybrid resin composite restorations.

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
160

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Jan 2025

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 18, 2024

Completed
5 days until next milestone

First Posted

Study publicly available on registry

September 23, 2024

Completed
3 months until next milestone

Study Start

First participant enrolled

January 1, 2025

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2025

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2026

Completed
Last Updated

September 23, 2024

Status Verified

September 1, 2024

Enrollment Period

6 months

First QC Date

September 18, 2024

Last Update Submit

September 18, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Proximal Contact tightness (Success rate)

    Visual examination and 25-/50-/100-µm blade according to FDI Criteria

    From enrollment to the end of treatment at 6 months

Secondary Outcomes (3)

  • Form and Contour

    From enrollment to the end of treatment at 6 months

  • Patient Comfort

    From enrollment to the end of treatment at 6 months

  • Emergence profile

    From enrollment to the end of treatment at 6 months

Study Arms (4)

C (comparator)

ACTIVE COMPARATOR

Nickel titanium 3D-fusion ring (Garrison, USA)

Device: C (comparator)

I1 (Intervention)

EXPERIMENTAL

Resin ring (DR- Resin ring, Egypt)

Device: I1 (Intervention)

I2 (Intervention)

EXPERIMENTAL

Elliot separator (Pfingst \& Co, South Plainfield, NJ, USA)

Device: I2 (Intervention)

I3 (Intervention)

EXPERIMENTAL

Stainless Steel Metal ring (TOR VM ring, Moscow, Russia)

Device: I3 (Intervention)

Interventions

Resin ring (DR- Resin ring, Egypt)

I1 (Intervention)

Elliot separator (Pfingst \& Co, South Plainfield, NJ, USA)

I2 (Intervention)

Stainless Steel Metal ring (TOR VM ring, Moscow, Russia)

I3 (Intervention)

Nickel titanium 3D-fusion ring (Garrison, USA)

C (comparator)

Eligibility Criteria

Age25 Years - 40 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Individuals with posterior compound proximal carious cavities in molars.
  • Age of (25-40) years.
  • Molars with compound proximal carious cavities score 4 or 5 ICDS.
  • Vital upper or lower posterior teeth with no signs of irreversible pulpitis.
  • Presence of adjacent and opposing teeth with normal occlusion

You may not qualify if:

  • Patients with major systemic disorders or xerostomia.
  • Patients with periodontal disease.
  • Patients with para-functional habits.
  • Presence of malocclusion or signs of pathological teeth wear
  • Non vital teeth or teeth with signs of pulpal pathology.
  • Teeth mobility or clinical attachment loss.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Interventions

Methods

Intervention Hierarchy (Ancestors)

Investigative Techniques

Study Officials

  • Hadeer H Mohamed, MSC. degree

    Assistant Lecturer of Conservative Dentistry, Faculty of Dentistry Cairo University, Egypt.

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Hadeer H Mohamed, MSC. degree

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Dr. Hadeer Hesham

Study Record Dates

First Submitted

September 18, 2024

First Posted

September 23, 2024

Study Start

January 1, 2025

Primary Completion

June 30, 2025

Study Completion

January 1, 2026

Last Updated

September 23, 2024

Record last verified: 2024-09