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The "graded" zirconia crown has a darker cervical area consisting of tetragonal zirconia, a main tooth color in the buccal area, and a translucent incisal edge consisting of cubic zirconia. The only thing a dental technician has to do is to use the proper height of the zirconia block so that the crown fits in all the different color zones.
Pediatric zirconia ceramic crowns are made of zirconium oxide stabilized with yttrium oxide. These are highly durable and are used for restoring both primary anterior and posterior teeth. [7] They have been in use for children since 2010.
A post and core crown is a type of dental restoration required where there is an inadequate amount of sound tooth tissue remaining to retain a conventional crown. A post is cemented into a prepared root canal, which retains a core restoration, which retains the final crown. [1] [2]
Full-porcelain dental materials include dental porcelain (porcelain meaning a high-firing-temperature ceramic), other ceramics, sintered-glass materials, and glass-ceramics as indirect fillings and crowns or metal-free "jacket crowns". They are also used as inlays, onlays, and aesthetic veneers. A veneer is a very thin shell of porcelain that ...
Zirconia, a high-performance ceramic material, has gained popularity in dental restorations due to its superior mechanical properties and biocompatibility. Zirconia inlays and onlays are particularly suitable for posterior teeth where strength and durability are paramount.
A full veneer crown is described as "a restoration that covers all the coronal tooth surfaces (mesial, distal, facial, lingual and occlusal)". [ citation needed ] Laminate veneer, on the other hand, is a thin layer that covers only the surface of the tooth and is generally used for aesthetic purposes.
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Dental cements are used most often to bond indirect restorations such as crowns to the natural tooth surface. Examples include: Zinc oxide cement—self setting and hardens when in contact with saliva. Example brands: Cavit, Coltosol. Zinc phosphate cement; Zinc polycarboxylate cement—adheres to enamel and dentin. Example brand: PolyF.