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Egypt Dent J. 1993 Oct;39(4):569-72.

Resistance to fracture of high-strength porcelain crowns versus metal ceramic crowns under different conditions.

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Fixed Prosthetic Department, Cairo University, Egypt.


Although the good appearance and biocompatibility of dental porcelains, failures are still of considerable concern because of the limited properties to all ceramic system. Physical properties that might be considered ideal include high strength, resistance to abrasion, and resistance to the hostile oral environment. Porcelain has been considered by many of its physical characteristic are similar to those of enamel. In 1983 a new modality of treatment, the etched porcelain restoration was introduced by Simonsen and Calamia. Numerous investigations have shown the strength of the etched porcelain bonded to composite resin and also the clinical success of this porcelain to be used as laminated veneers and etched inlays and onlays.

[Indexed for MEDLINE]

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