Biodegradation of Restorative Metallic Systems

Lucas, L. C.; Lemons, Jack E.

doi:10.1177/08959374920060011301

Cited by 86 publications

(54 citation statements)

References 22 publications

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“…The lower biocompatibility 24 and lower translucency of metals, when compared to ceramic materials, are the factors responsible for the use of ceramics as infrastructure materials in multilayered restorations. On the other hand, the relatively low fracture toughness of ceramic materials is a major limitation for their unrestricted use for prosthodontics solutions.…”

Section: Multilayered Dental Prosthesesmentioning

confidence: 99%

Dental ceramics: a review of new materials and processing methods

et al. 2017

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The evolution of computerized systems for the production of dental restorations associated to the development of novel microstructures for ceramic materials has caused an important change in the clinical workflow for dentists and technicians, as well as in the treatment options offered to patients. New microstructures have also been developed by the industry in order to offer ceramic and composite materials with optimized properties, i.e., good mechanical properties, appropriate wear behavior and acceptable aesthetic characteristics. The objective of this literature review is to discuss the main advantages and disadvantages of the new ceramic systems and processing methods. The manuscript is divided in five parts: I) monolithic zirconia restorations; II) multilayered dental prostheses; III) new glass-ceramics; IV) polymer infiltrated ceramics; and V) novel processing technologies. Dental ceramics and processing technologies have evolved significantly in the past ten years, with most of the evolution being related to new microstructures and CAD-CAM methods. In addition, a trend towards the use of monolithic restorations has changed the way clinicians produce all-ceramic dental prostheses, since the more aesthetic multilayered restorations unfortunately are more prone to chipping or delamination. Composite materials processed via CAD-CAM have become an interesting option, as they have intermediate properties between ceramics and polymers and are more easily milled and polished.

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Section: Multilayered Dental Prosthesesmentioning

confidence: 99%

Dental ceramics: a review of new materials and processing methods

et al. 2017

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“…High strength ceramics have been developed as the core/framework material for all-ceramic restorations because of their improved esthetics and the eventual biological incompatibility risks of metals used for conventional porcelain-fused to metal restorations (PFM) 1,33) . Because of the improved mechanical properties, especially flexural strength and fracture toughness, lithium disilicate (Empress II ® ), glassinfiltrated alumina (InCeram Alumina ® ), glassinfiltrated alumina with partially stabilized zirconia Initial prototype of a compact and integrated CAD/CAM machine developed in 1994.…”

Section: Application Of Cad/cam For Outsourcing Dental Laboratory Wormentioning

confidence: 99%

A review of dental CAD/CAM: current status and future perspectives from 20 years of experience

et al. 2009

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“…Particular mention should be made of Ag-Cu being used in dental implants and toothpastes that claim to contain nanoparticles which over a period of time fill up the cavities [6]. In the recent past Ag-Pt alloy nanoparticles (NPs) aroused much interest of researchers because of their novel application in dentistry, bone and breast surgical implants on account of their corrosion resistance and improved mechanical properties [7][8][9]. A key challenge to material scientists is to synthesize biocompatible Ag-Pt alloy NPs for their application in vivo that imposes stringent conditions of compatibility, non-immunogenecity, etc.…”

Section: Introductionmentioning

confidence: 99%