Ivoclar Ag

Ivoclar Vivadent Ag

Martin Frank

Volker Rheinberger

Wolfram Höland

Wolfram Hoeland

Marcel Schweiger

Wolfram H&ouml;land

Helga Drescher

Susanne Wegner

High-strength sinterable lithium disilicate glass ceramics are described which can be further processed in particular by pressing in the viscous state to shaped dental products.

Sinterable lithium disilicate glass ceramic

Lithium disilicate glass ceramics dental product

Alkali silicate glasses are described which, in view of their good chemical stability and their optical properties and processing properties, are particularly suitable as a coating or veneering material for ceramic dental frameworks and hence for the production of all-ceramic dental restorations such as crowns or bridges.

Alkali silicate glass

An apatite glass ceramic is described which is characterized by good chemical stability, a low expansion coefficient and high translucence, and is particularly suitable, by itself or together with glasses or other glass ceramics, as a veneering material for ceramic dental restorations.

Translucent apatite glass ceramic

Chemically stable translucent apatite glass ceramic

A ZrO.sub.2 -containing glass ceramic is described, the main crystalline phase of which is formed by ZrO.sub.2 and which has at least one further crystalline phase, and which can be used in particular in dentistry.

ZrO.sub.2 -containing glass-ceramic

A leucite-containing phosphosilicate glass-ceramic is described which, in addition to a leucite crystalline phase and at least one further crystalline phase, also contains one or more glass phases.

Leucite-containing phosphosilicate glass-ceramic

ZrO.sub.2 - containing glass-ceramic

Alkali-zinc-silicate glass ceramics and glasses are described which have a linear thermal expansion coefficient in the range from 8.0 to 18.7.times.10.sup.-6 K.sup.-1, an excellent chemical resistance and other advantageous optical properties and can be used in particular as dental material.

Alkali-zinc-silicate glass-ceramics and glasses

An opalescent glass is described which is characterized by a continuous glass phase and a discontinuous glass phase dispersed therein, and which can be used as dental material or as a constituent of dental materials.

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Schaan, Liechtenstein

Martin Frank