Polyetheretherketone periodontal splints:progress in the studies of material properties and clinical perfor-mance
Chronic periodontitis often leads to progressive mobility and displacement of teeth,consequently the masticato-ry functionality of the patient can be adversely affected.Periodontal splinting can help to stabilize the involved teeth,re-distribute the occlusal forces,and increase their masticatory efficiency.Fiber-reinforced composite resin splint(FRC)is the most commonly used technique for periodontal splinting.However,it takes a long time to operate directly at chair-side,while indirect manufacturing cannot be achieved in digital workflow,and its precision can't be guaranteed.There-fore,there is an urgent need to explore periodontal splint materials with brighter prospects for clinical application.Poly-etheretherketone(PEEK)is a thermoplastic high-performance polymer.It has been proposed for periodontal splinting,due to its advantages,such as excellent mechanical properties,and esthetic effects.This paper reviews the material prop-erties of PEEK as well as the clinical performance of PEEK splints,and analyzes their application prospects,in order to provide a reliable basis for the popularization of PEEK periodontal splinting.
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