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Quintessence Publishing: Journals: JCD

 

International Journal of Computerized Dentistry

Edited by B. Reiss, K. Wiedhahn, and O. Schenk

Official publication of the International Society of Computerized Dentistry

ISSN 1463-4201

Publication:

Fall 2011
Volume 14 , Issue 3

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Digital Veneering Manufacturing Computergenerated Veneers with the CAD-on Technique

Kurbad, Andreas

Pages: 255 - 271

All-ceramic frameworks for crowns and bridges are now fabricated almost exclusively using CAD/CAM technology. They are usually made of high-strength oxide ceramics, the optical properties of which are esthetically unsatisfactory. Veneers, on the other hand, are manufactured manually. All veneering ceramics, without exception, belong to the mechanically weak class of glass ceramics, whose optical properties closely resemble those of the natural tooth structure. These materials are applied in multiple layers in order to mimic the internal structure of the natural teeth. The goal is to achieve a restoration that harmonizes with the surrounding natural dentition in terms of color, translucency and shape. This must be accomplished in accordance with the normal rules of good practice and in conformity with the anatomical and functional realities. Therefore, the fabrication of a working model and an antagonist model, which are mounted into a more or less complex articulator, is required.

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