http://www.ibmc.up.pt/projectos/FJMonteiro/Bonamidi%20Project/References%20Bonamidi/Denry%20-%20State%20of%20the%20art%20zirconia%20dental%20applications.pdf

State of the art of zirconia for dental applications

In this article, we review the recent history of the development of dental CAD/CAM systems for the fabrication of crowns and fixed partial dentures (FPDs), based on our 20 years of experience in this field. The current status of commercial dental CAD/CAM systems developed around the world is evaluated, with particular focus on the field of ceramic crowns and FPDs. Finally, we discuss the future perspectives applicable to dental CAD/CAM. The use of dental CAD/CAM systems is promising not only in the field of crowns and FPDs but also in other fields of dentistry, even if the contribution is presently limited. CAD/CAM technology will contribute to patients' health and QOL in the aging society.

/pdf/a-review-of-dental-cad-cam-current-status-and-future-3l9ep4u8bk.pdf

A review of dental CAD/CAM: current status and future perspectives from 20 years of experience.

A surgical device is disclosed which includes a handle assembly, an elongated member and a disposable loading unit. The handle assembly includes a mode selection mechanism configured to alternate the surgical device between a first grasping mode of operation and a second clamping mode of operation. The handle assembly includes a rotation control member and an articulation lever. The rotation control member is configured to facilitate rotation of the elongated member with respect to the handle assembly. The articulation lever is configured to facilitate articulation of the tool assembly about an axis substantially perpendicular to the longitudinal axis of elongated member. In one embodiment, the tool assembly includes a cartridge assembly having a plurality of staples and an anvil assembly configured to clamp and staple tissue in the second clamping mode of operation of the device.

Grasping jaw mechanism

High-strength all-ceramic systems for fixed partial dentures (FPDs) are available for replacing a missing tooth. New core/framework materials have been developed and have evolved in the last decade. With the advancement of CAD/CAM technology, various fabrication techniques have been developed for fabricating improved, consistent, and predictable restorations in terms of strength, marginal fit, and esthetics and for managing core/framework materials that could not otherwise be managed. This article reviews the evolution and development of materials and technologies for all-ceramic FPDs through data published between 1966 and 2004 in the English language. Peer-reviewed articles were identified through a MEDLINE search and a hand search of relevant textbooks and annual publications. The available information suggests that clinical data on the success of these restorations are limited, and that the results of long-term clinical studies are critical to the assessment of these restorations to provide more specific guidelines for usage.

Contemporary materials and technologies for all-ceramic fixed partial dentures: a review of the literature.

From porcelain-fused-to-metal to zirconia: clinical and experimental considerations.

The invention relates to the coloration of ceramics by way of ionic or complex-containing solutions. The solutions preferred for this purpose contain defined concentrations of at least one of the salts or complexes of the rare earth elements or of the elements of the subgroups. The invention further relates to a kit that comprises at least one reservoir bottle containing such a coloration solution, a container for the coloration and optionally a sieve.

Coloring ceramics by way of ionic or complex-containing solutions

The invention relates to a device for the automated production of dental workpieces. A blank (13) is inserted in a substantially slab-shaped support (10) of the device, said support being dimensioned such that the blank (13) does not extend beyond it in any direction. The blank (13) is linked with corresponding inner walls of a recess (12) provided in the support (10) only on two opposite faces while a gap is left between the other inner walls of the recess (12) and the corresponding faces of the blank (13). The inventive design allows to avoid tensions and microcracks of the blank material thereby caused. The gaps further make the blank (13) directly accessible for a lateral working by the milling tool.

Device for producing dental workpieces

The invention relates to a method of producing a dental prosthesis, comprising the steps: a) preparation of a blank, b) machining of the blank by milling processes, c) dense-sintering of the blank in a temperature range of from 1200 to 1650° C., the blank comprising a pre-sintered material and having a green strength of from 31 to 50 MPa.

Method of producing a dental prosthesis

The invention relates to a method for producing dentures by milling a workpiece. The inventive method is characterised in that in the event of a change in the load on the workpiece or on the milling tool, or on the workpiece and on the milling tool, determined before the milling begins and occurring during the milling, the relative speed between the milling tool and the workpiece is varied without using a regulation technique.

Method for producing dentures

The invention relates to a method for producing a dental prosthesis comprising the following steps: a) preparing a blank; b) machining the blank using milling methods; c) dense sintering the blank at a temperature ranging from 1200 to 1650 °C, whereby the blank comprises a presintered material and has a raw resistance to breaking ranging from 15 to 30 Mpa.

Method for producing a dental prosthesis

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