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

Cairo University (CU)

Status: Active, not recruiting

Conditions: All on Four, Marginal Bone Loss, PEEK

Treatments: Other: PEEK reinforced fixed all-on-four prosthesis

Study type: Interventional

Funder types: Other

Identifiers

NCT06591611

21223

Details and patient eligibility

About

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

Enrollment: 20 patients

Sex: All

Volunteers: No 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)

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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20 participants in 2 patient groups

Co-Cr reinforced fixed all-on-four prosthesis

Active Comparator group

Treatment:

Other: PEEK reinforced fixed all-on-four prosthesis

PEEK reinforced fixed all-on-four prosthesis

Experimental group

Treatment:

Other: PEEK reinforced fixed all-on-four prosthesis