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

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 Clinical Trial

Status

Active, not recruiting

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT06591611

Enrollment

Registered

2024-09-19

Start date

2024-01-01

Completion date

2025-03-30

Last updated

2024-09-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

All on Four, Marginal Bone Loss, PEEK

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

Interventions

OTHERPEEK reinforced fixed all-on-four prosthesis

Fabricating a fixed prosthesis for patients with completely edentulous mandibles reinforced with PEEK

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

DOUBLE (Subject, Outcomes Assessor)

Eligibility

Sex/Gender

ALL

Healthy volunteers

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)

Design outcomes

Primary

Measure	Time frame	Description
Marginal bone loss	12 months	marginal bone loss around each implant

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026