Novel PEEK Retentive Elements Versus Conventional Retentive Elements in Mandibular Overdentures: A Randomized Controlled Trial
Overview
- Phase
- Not Applicable
- Intervention
- Not specified
- Conditions
- Partially Edentulous Mandible
- Sponsor
- Cairo University
- Enrollment
- 22
- Locations
- 1
- Primary Endpoint
- retention
- Status
- Completed
- Last Updated
- 4 years ago
Overview
Brief Summary
comparing retention and patient satisfaction of implant-supported mandibular overdentures retained by conventional nylon clip and metal housings for ball attachments versus PEEK clip and housings
Detailed Description
Background. Many patients suffer from lack of retention of conventional mandibular overdentures due to loss of clip retention over time. Computer-aided design-computer-aided manufacturing (CAD-CAM) milled polyetheretherketone PEEK materials may be used for construction of retentive housing and clip for improving retention of implant-supported overdentures. Objective . To compare retention and patient satisfaction of implant-supported mandibular overdentures retained by conventional nylon clip and metal housings for ball attachments versus PEEK clip and housings. Methods: Twenty-two participants were divided into 2 equal groups (n=11). The conventional group received implant-supported mandibular overdentures retained by metal housings and nylon retentive elements, while the PEEK group received implant-supported mandibular overdenture retained by PEEK retentive element and housings.The PEEK retentive elements were made by using computer-aided design and computer-aided manufacturing (CAD-CAM).Evaluation included measuring the retention by applying a gradual pulling up force by forcemeter and patient satisfaction with a 7-point visual analog scale (VAS) at overdenture insertion , 3,6, and 12 months subsequently by research interviewer.
Investigators
Sharaf Mohamed Yahia
lecturer
Cairo University
Eligibility Criteria
Inclusion Criteria
- •edentulous class I or II PDI classification no neuromuscular disordersand temporomandibular joint disorders
Exclusion Criteria
- •exposed to radiotherapy
Outcomes
Primary Outcomes
retention
Time Frame: 3 months to six months
measuring retention force of retentive elements using The force-meter machine (Eagle: ELT 3000) . Gradual pulling up force was applied. The record appeared at the screen of the force meter was recorded as it's single-blind measurements.
Secondary Outcomes
- patient satisfaction(3 months to six months)