Related Experiment Video
Updated: Aug 26, 2025
Real-Time Dynamic Navigation System for the Precise Quad-Zygomatic Implant Placement in a Patient with a Severely Atrophic Maxilla
Published on: October 18, 2021
Polyetheretherketone subperiosteal implant retaining a maxillary fixed prosthesis: A case series
Mohammed A El-Sawy1, Mohamed E ELgamal2, Wael M Ahmed3
1PhD student, Graduate Prosthodontics, Department of Prosthodontics, Faculty of Dentistry, Mansoura University, Al-Dakahliya, Egypt; Assistant Lecturer, Department of Prosthodontics, Faculty of Dentistry, Menoufiya University, Shibin El-kom, Egypt.
Statement Of Problem:
Patients needing dental rehabilitation of a complete atrophic maxilla would benefit from simplified treatment plans.
Purpose:
The purpose of this case series was to demonstrate the prosthetic management of 4 edentulous patients with severe maxillary ridge resorption who declined multiple stage surgery and sought a fixed prosthesis in single-stage surgery.
Material And Methods:
The patients were provided with completely digital computer-aided designed and computer-aided manufactured (CAD-CAM) polyetheretherketone (PEEK) maxillary subperiosteal frameworks, which were surgically placed in a 1-step procedure. The patients were followed up for 12 months and evaluated for signs of implant rejection, infection, prosthetic fracture or mobility, or implant exposure.
Results:
At the 12-month follow-up, all the implants were functionally stable with healthy soft tissue and showed no sign of prosthetic fracture, infection, or pus discharge.
Conclusions:
PEEK subperiosteal implants for maxillary atrophied ridges can be considered a promising treatment option within the limitations of this clinical study with low patient numbers and a short observational time.
