Resumo

ALVAREZ-FERNANDEZ, Mª. Ángeles; PENA-LOPEZ, José Miguel; GONZALEZ-GONZALEZ, Ignacio Ramón  e  OLAY-GARCIA, Mª. Sonsoles. General features and properties of metal-free ceramics restorations. RCOE [online]. 2003, vol.8, n.5, pp.525-546. ISSN 1138-123X.

Introduction and goals: Modern restorative metal-free ceramic systems are increasingly used because of their excellent optical and aesthetic properties, due to their light transmission, their ability to mimic natural teeth, etc. Despite their advantages, some mechanical problems persist related to ceramics (such as weakness, fracture incidence, wear of opposing enamel, …), thereby limiting their generalized use as restorative materials. Both the new ceramic materials and the CAD-CAM systems favour a massive use of all-ceramic systems in dentistry in a near future. The goal of the present article is to review the state of the art of metal-free ceramic systems. Material and methodology: Our study is carried out based on a review of the literature, structured as follows: historical evolution, definition and desirable properties of ceramic restorative materials, derived advantages and disadvantages, classification of dental ceramics, composition and properties of dental ceramics. Results and discussions: Based on the reviewed literature

Palavras-chave : Dental porcelain; Restoration; Porcelain types; Composition; Ceramics.

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