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PEEK in Fixed Dental Prostheses: Application and Adhesion Improvement
Biyao Wang1, Minghao Huang2, Pengrui Dang1
1Liaoning Provincial Key Laboratory of Oral Diseases, The VIP Department, School and Hospital of Stomatology, China Medical University, No. 117 North Street Nanjing Road, Shenyang 110002, China.
Polymers
|June 24, 2022
Summary
Polyetheretherketone (PEEK) shows promise for dental prostheses due to its mechanical properties and biocompatibility. However, improving its stiffness and surface adhesion is crucial for enhanced clinical performance.
Area of Science:
- Biomaterials Science
- Dental Materials
- Polymer Science
Background:
- Polyetheretherketone (PEEK) is extensively used in dental prostheses like crowns, bridges, and posts.
- PEEK offers superior stress distribution and biocompatibility, being non-mutagenic, non-cytotoxic, and non-allergenic.
- Challenges include insufficient stiffness and poor surface adhesion due to PEEK's inertness.
Purpose of the Study:
- To review the applications of PEEK in fixed dental prostheses.
- To discuss methods for enhancing PEEK's mechanical properties, specifically stiffness.
- To explore strategies for improving the adhesive bonding of PEEK restorations.
Main Methods:
- Fiber reinforcement techniques to increase PEEK stiffness.
- Surface modification methods to enhance PEEK adhesion.
- Review of various surface treatments: acid etching, plasma, particle abrasion, laser, and adhesive systems.
Main Results:
- Fiber reinforcement can improve the stiffness of PEEK materials.
- Multiple surface treatments show potential for improving PEEK's bond strength.
- PEEK's inherent biocompatibility and non-degradability are advantageous for intraoral use.
Conclusions:
- PEEK is a viable material for dental prostheses, but requires optimization for stiffness and adhesion.
- Surface treatments are essential for achieving reliable bonding of PEEK restorations.
- Further research into fiber-reinforced PEEK and advanced surface modifications is warranted.
