PEEK for Oral Applications: Recent Advances in Mechanical and Adhesive Properties

Area of Science:

• Biomaterials Science
• Dental Materials Engineering
• Polymer Science

Background:

• Polyetheretherketone (PEEK) is a high-performance thermoplastic with excellent biomechanical properties and thermal stability.
• PEEK's mechanical properties closely mimic bone, reducing stress shielding compared to traditional dental materials.
• Its applications in dentistry include implant abutments, prostheses, and maxillofacial devices.

Purpose of the Study:

• To provide a comprehensive review of Polyetheretherketone (PEEK) mechanical and adhesive properties for dental applications.
• To highlight advancements in PEEK composites, fabrication methods, and surface treatments for improved clinical use.
• To establish a foundation for future research and application of PEEK in the dental field.

Main Methods:

• Review of existing research on PEEK mechanical properties, including composites and preparation processes.
• Analysis of surface modification techniques (sandblasting, etching, plasma, laser) to improve PEEK adhesion.
• Evaluation of 3D-printed PEEK versus conventional fabrication methods.

Main Results:

• 3D-printed PEEK demonstrates superior flexural and tensile strength compared to traditional methods.
• Surface treatments significantly enhance the bond strength of PEEK by improving surface energy and introducing functional groups.
• PEEK composites with fibers and ceramics show improved mechanical strength for dental applications.

Conclusions:

• PEEK is a highly promising material for diverse dental applications due to its mechanical profile and biocompatibility.
• Optimizing fabrication and surface treatments is crucial for maximizing PEEK's clinical performance and longevity.
• This review provides a valuable resource for understanding and advancing PEEK utilization in dentistry.