Abstract
The tremendous technological and dental material progress led to a progressive advancement of treatment technologies and materials in restorative dentistry and prosthodontics. In this approach, CAD/CAM restorations have proven to be valuable restorative dental materials in both provisional and definitive restoration, owing to multifarious design, improved and highly tunable mechanical, physical and morphological properties. Thus far, the dentistry market offers a wide range of CAD/CAM restorative dental materials with highly sophisticated design and proper characteristics for a particular clinical problem or multiple dentistry purposes. The main goal of this research study was to comparatively investigate the micro-mechanical properties of various CAD/CAM restorations, which are presented on the market and used in clinical dentistry. Among the investigated dental specimens, hybrid ceramic-based CAD/CAM presented the highest micro-mechanical properties, followed by CAD/CAM PMMA-graphene, while the lowest micro-mechanical features were registered for CAD/CAM multilayered PMMA.
Highlights
Puerta, Severo Raul Fernandez-Vidal, The main goal of restorative dentistry consists of the design and manufacturing of advanced dental materials with improved structural, biological and aesthetical features that can maintain the tissue integrity and replace the damaged dental tissue, ideally mimicking the natural appearance and performance of the replaced tissues, when used as restorative materials in a particular dental tissue clinical problem [1,2]
The lowest nanoindentation force is used for CAD/CAM PMMA-organically-modified ceramics dental material (Vipiblock-PMMA block), the maximum penetration depth is reached at a load of
~1 mN, the applied force has an increasing trend with the maximum load applied on restorative CAD/CAM material based on hybrid ceramic, Cerasmart 270 (~3.5 mN), followed by the CAD/CAM material based on multilayered PMMA Huge with ~2.3 mN
Summary
Severo Raul Fernandez-Vidal, The main goal of restorative dentistry consists of the design and manufacturing of advanced dental materials with improved structural, biological and aesthetical features that can maintain the tissue integrity and replace the damaged dental tissue, ideally mimicking the natural appearance and performance of the replaced tissues, when used as restorative materials in a particular dental tissue clinical problem [1,2]. It is documented that the performance of a dental material in the rehabilitation of aesthetic and functional restorations is driven by the best compromise between the local anatomical deformations and the design versatility and ability of the implanted material to satisfy functional and aesthetic demands without compromising its longevity [5]. Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.
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