Clinical Evaluation of Bite Force and Chewing Efficiency of Mandibular Overdenture with Zirconia-PEEK or CoCr-PEEK Telescopic Attachment

Document Type : Original Article

Authors

1 Prosthodontics,Dentistry,Alazhar جميزة بنى عمرو..ديرب نجم..الشرقية..مصر

2 Professor, Department of Removable Prosthodontic ,Faculty of Dental Medicine, Boys, Cairo ,Al-Azhar University

3 lecture, Department of Removable Prosthodontic ,Faculty of Dental Medicine, Boys, Cairo ,Al-Azhar University

Abstract

Abstract:
Objectives: This clinical study's objective was to assess the maximum bite force and chewing efficiency of two implant-retained overdentures with telescoping double crown attachments made of primary zirconia or Cobalt-chromium (CoCr) crowns and secondary Poly-ether-ether-ketone (PEEK) crown.
Subject and Methods: A total of 8 patients aged between 45-65 years with full edentulism were chosen. After receiving two dental implants in the canine area of the anterior mandible, each participant had an overdenture made. Processed overdentures were divided into two groups based on the telescopic attachment arrangement; Group I was made up of overdentures with a telescoping zirconia-PEEK attachment, whereas Group II was made up of overdentures held in place by a telescoping CoCr-PEEK connection. A bite force transducer was also used to measure biting force. The glucose extraction test was used to evaluate the chewing effectiveness of all overdenture groups in terms of determining the sweetening chewing gum fraction at three-time intervals of 1 week, 3 months, and 6 months.

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Al-Azhar Journal of Dental Science
Volume 28, Issue 3 - Serial Number 3
July - Restorative Dentistry Issue (Removable Prosthodontics, Fixed Prosthodontics, Endodontics, Dental Biomaterials, Operative Dentistry)
July 2025
Pages 367-374

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