PROCESS FOR THE MANUFACTURE OF A MULTI-LAYER OXIDE CERAMIC BODY WHICH CAN BE SINTERED WITHOUT DISTORTION

The invention relates to multi-layer oxide ceramic bodies and in particular to presintered multi-layer oxide ceramic blanks and oxide ceramic green bodies suitable for dental applications. These bodies can be thermally densified by further sintering without distortion and are thus particularly suita...

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Bibliographische Detailangaben
Hauptverfasser:	BRODKIN, DMITRI, ROTHBRUST, FRANK, RITZBERGER, CHRISTIAN, AJMAL, KHAN, SCHWEIGER, MARCEL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DENTISTRY HUMAN NECESSITIES HYGIENE LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIME, MAGNESIA MEDICAL OR VETERINARY SCIENCE METALLURGY PERFORMING OPERATIONS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES REFRACTORIES SLAG TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention relates to multi-layer oxide ceramic bodies and in particular to presintered multi-layer oxide ceramic blanks and oxide ceramic green bodies suitable for dental applications. These bodies can be thermally densified by further sintering without distortion and are thus particularly suitable for the manufacture of dental restorations. The invention also relates to a process for the manufacture of such multi-layer oxide ceramic bodies as well as to a process for the manufacture of dental restorations using the multi-layer oxide ceramic bodies. La présente invention concerne des corps doxyde céramique multicouches et en particulier des ébauches doxyde céramique multicouches pré-frittées et des ébauches crues doxyde céramique appropriées à des applications dentaires. Ces corps peuvent être densifiés thermiquement par un autre frittage sans distorsion et sont donc particulièrement appropriés à la fabrication de restaurations dentaires. Linvention concerne également un procédé de fabrication de ces corps doxyde céramique multicouches, ainsi quun procédé de fabrication de restaurations dentaires au moyen des corps doxyde céramique multicouches.