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Clinical Trials in Egypt / NCT07853118
Enrolling by invitation Not applicable

Clinical Evaluation of 3D-Printed Resin Versus CAD/CAM-Milled Lithium Disilicate Overlay Restorations

NCT07853118 · tracked via the Priya Life Science Egypt tracker
Sponsor
Tanta University
Phase
Not applicable
Started
2026-07-26
Last updated
2026-10-08

Condition(s) studied

CAD/CAM3D-printedLithium DisilicateOverlay Restorations

Investigational drug(s) / intervention(s)

3D-printed ODYX-CR ceramic-filled resinCAD/CAM-milled lithium disilicate ceramic

3D-printed ODYX-CR ceramic-filled resin: The ODYX-CR restorations will be fabricated using digital light processing (DLP) 3D printing; restorations will be adhesively cemented using preheated resin composite following the respective manufacturer's recommended surface-treatment protocols. Clinical performance will be evaluated at baseline (24 hours), 6, 12, months using Fédération Dentaire Internationale (FDI) clinical criteria, including functional, biological, and esthetic properties.

CAD/CAM-milled lithium disilicate ceramic: The comparator restorations will be fabricated by milling lithium disilicate CAD/CAM blocks. Both restorations will be adhesively cemented using preheated resin composite following the respective manufacturer's recommended surface-treatment protocols. Clinical performance will be evaluated at baseline (24 hours), 6, 12, months using Fédération Dentaire Internationale (FDI) clinical criteria, including functional, biological, and esthetic properties.

Study summary

The aim of this study is to clinically evaluate the performance of 3D-printed resin and CAD/CAM lithium disilicate overlay restorations.

Eligibility

Sex
ALL
Min age
20 Years
Max age
40 Years
Healthy volunteers
Accepted
Inclusion Criteria: * Good general health. * Good oral hygiene. * Molars requiring overlay restorations with at least one cusp thickness ≤2 mm Exclusion Criteria: * Bruxism or parafunctional habits. * Severe periodontal disease. * Pregnancy or lactation. * Severe malocclusion

Primary outcome measure(s)

  • Fracture of restoration — 12 months
    Clinical evaluation of restorations using the FDI criteria. Scores 1-3 will be classified as clinically acceptable, whereas scores 4-5 will be classified as clinically unacceptable and requiring repair or replacement.

Trial sites (1)

FacilityCityRegionStatus
Restorative Department, Faculty of Dentistry, Tanta University Tanta Tanta

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Other trials for the same condition

Effect of Certain Denture Disinfectants on Surface Topography, Microhardness and Dimensional Stability of CAD/CAM Milled Polymethyl Methacrylate and Polyether Ether Ketone Denture Base Materials Enrolling by invitation
Clinical Evaluation of 3D-Printed Versus Direct Composite Restorations in Class II Cavities Enrolling by invitation
Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07853118 on ClinicalTrials.gov ↗ ← All trials in Egypt