ArticleClinical oral investigations2023
Effect of veneering material type and thickness ratio on flexural strength of bi-layered PEEK restorations before and after thermal cycling.
Article in Clinical oral investigations, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Effect of an MMA-Containing Adhesive Primer on the Surface Characteristics of Sandblasted PEEK and Its Bond Strength to Dental Resin Cements.Materials (Basel, Switzerland) · 2026Article
- BioHPP in prosthetic dentistry: a narrative review of mechanical, biological, and clinical properties.Biomaterial investigations in dentistry · 2026Review
- Article
- Effects of surface treatments on the adhesion strengths between polyether ether ketone and both composite resins and poly(methyl methacrylate).BMC oral health · 2025Article
- Fracture strength and failure mode of implant-supported provisional resin composite crowns on hydroxyapatite-coated sulfonated PEEK abutments following thermomechanical loading.The journal of advanced prosthodontics · 2025Article
- Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveThe purpose of this study was evaluating the biaxial strength of bi-layered PEEK restorations before and after aging using different veneering materials in different thickness ratios. MATERIAL AND
methodsNinety specimens of thickness 1.5 mm were divided into three groups according to their veneering material. Group (CAD LD): BioHPP discs veneered with CAD milled lithium disilicate (n=30), group (CAD C): BioHPP discs veneered with CAD milled composite (n=30), and group (LC): BioHPP discs veneered with conventionally layered composite (n=30). Each group was subdivided into 3 subgroups (n=10) according to the different thickness ratios between the core and the veneering material (T
resultsMaterial, thickness ratio, and aging all had a significant effect on biaxial flexural strength. (LC) group had the highest biaxial flexural strength. T
conclusionsVeneering material for PEEK together with the thickness ratio between the core and veneering material greatly affect the flexural strength of bi-layered restorations. Thermocycling negatively impacts the flexural strength of PEEK bi-layered restorations. CLINICAL SIGNIFICANCE: According to the results of that study, PEEK cores are best veneered with conventionally layered composite with core to veneering thickness ratio being 1:0.5.
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Registered trials
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