Effect of PEEK and Co-Cr Framework Reinforcement on Marginal Bone Loss Around Implants Supporting a Fixed All-on-four Prosthesis in Completely Edentulous Mandibles. A Randomized Controlled Clinial Trial

Not Applicable

Active, not recruiting

• Conditions: All on Four, Marginal Bone Loss, PEEK
• Interventions: Other: PEEK reinforced fixed all-on-four prosthesis

• Registration Number: NCT06591611
• Lead Sponsor: Cairo University

Brief Summary

A fixed all-on-four prosthesis will be fabricated for the mandibular arch for each patient and the marginal bone loss will be evaluated at baseline, 3,6,9 and 12 months

Detailed Description

Not available

Study Timeline

• Study Start: 2024-01-01
• Status Verified: 2024-09
• Study First Submitted: 2024-09-08
• Study First Submitted QC: 2024-09-08
• Last Update Submitted: 2024-09-08
• Study First Posted: 2024-09-11
• Last Update Posted: 2024-09-11
• Primary Completion: 2025-01-31
• Study Completion: 2025-03-30

Recruitment & Eligibility

• Status: ACTIVE_NOT_RECRUITING
• Sex: All
• Target Recruitment: 20

Inclusion Criteria

• Completely edentulous patient with old satisfactory maxillary and mandibular dentures requiring an implant supported restoration
• Implant sites must allow for implant placement
• Patients with no systemic conditions that may interfere with implant placement

Exclusion Criteria

• General contraindications for implant surgery( Poor oral hygiene- diabetes- pregnancy or nursing- drug abusers)

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Co-Cr reinforced fixed all-on-four prosthesis	PEEK reinforced fixed all-on-four prosthesis	-
PEEK reinforced fixed all-on-four prosthesis	PEEK reinforced fixed all-on-four prosthesis	-

Primary Outcome Measures

Name	Time	Method
Marginal bone loss	12 months	marginal bone loss around each implant

Trial Locations

Locations (1)

Cairo University; 🇪🇬 Cairo, Egypt