All-ceramic post core, and crown: technique and case report. 2001

G C Lopes, and L N Baratieri, and M A Caldeira de Andrada, and H P Maia
Department of Operative Dentistry, Federal University of Santa Catarina, Florianópolis, Brazil. guilherme_lopes@ig.com.br

The functional and esthetic restoration of severely compromised anterior teeth is a challenge to clinicians in their daily practice. The duplication of the optical characteristics of an intact tooth, including shade, translucency, and fluorescence, is often made difficult by the use of metal infrastructures, such as post-and-cores and copings. The development of reinforced ceramics and non-metallic post systems made possible the generation of metal-free ceramic restorations in severely compromised anterior and posterior teeth. This article discusses one available technique for the generation of a single all-ceramic restoration involving the use of a zirconia- or leucite-reinforced post-and-core system and of an all-ceramic crown system. A representative clinical case is presented illustrating the potential of the technique. CONCLUSIONS Modern ceramic restorative systems offer the possibility to closely match the natural optical characteristics of lost tooth structure. Posts, cores, and copings fabricated in ceramic materials represent a promising alternative to metals in the restoration of severely compromised anterior teeth.

UI MeSH Term Description Entries
D011176 Post and Core Technique Use of a metal casting, usually with a post in the pulp or root canal, designed to support and retain an artificial crown. Dental Dowels,Dental Dowel,Dowel, Dental,Dowels, Dental,Post Technic,Post Technique,Post and Core Technic,Post-Core Technic,Post Technics,Post Techniques,Post-Core Technics,Technic, Post,Technic, Post-Core,Technics, Post,Technics, Post-Core,Technique, Post,Techniques, Post
D003442 Crowns A prosthetic restoration that reproduces the entire surface anatomy of the visible natural crown of a tooth. It may be partial (covering three or more surfaces of a tooth) or complete (covering all surfaces). It is made of gold or other metal, porcelain, or resin. Dental Crowns,Crown, Dental,Crowns, Dental,Dental Crown,Crown
D003764 Dental Materials Materials used in the production of dental bases, restorations, impressions, prostheses, etc. Dental Material,Material, Dental,Materials, Dental
D003776 Dental Porcelain A type of porcelain used in dental restorations, either jacket crowns or inlays, artificial teeth, or metal-ceramic crowns. It is essentially a mixture of particles of feldspar and quartz, the feldspar melting first and providing a glass matrix for the quartz. Dental porcelain is produced by mixing ceramic powder (a mixture of quartz, kaolin, pigments, opacifiers, a suitable flux, and other substances) with distilled water. (From Jablonski's Dictionary of Dentistry, 1992) Porcelain,Porcelain, Dental,Dental Porcelains,Porcelains,Porcelains, Dental
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000537 Aluminum Oxide An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories. Alumina,Alumina Ceramic,Aluminum Oxide (Al130O40),Aluminum Oxide (Al2O),Aluminum Oxide (AlO2),Bauxite,Corundum,Sapphire,Ceramic, Alumina,Oxide, Aluminum
D000538 Aluminum Silicates Any of the numerous types of clay which contain varying proportions of Al2O3 and SiO2. They are made synthetically by heating aluminum fluoride at 1000-2000 degrees C with silica and water vapor. (From Hawley's Condensed Chemical Dictionary, 11th ed) Aluminum Silicate,Silicate, Aluminum,Silicates, Aluminum
D015040 Zirconium A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr.

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