Lithium disilicate-apatite glass ceramic with transition metal oxide
AssigneeIvoclar Vivadent AG
InventorsMarkus Rampf, Christian RITZBERGER, Marcel SCHWEIGER, Wolfram HÖLAND
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Abstract
Lithium disilicate-apatite glass ceramics comprising transition metal oxide are described which are characterized by a high chemical stability, and the translucence of which can be adjusted as desired, and which can therefore be used in particular as restoration material in dentistry.
Claims46
Lithium disilicate-apatite glass ceramic, which comprises lithium disilicate as main crystal phase and apatite as further crystal phase, and which comprises divalent oxide selected from the group of CaO, SrO and mixtures thereof and transition metal oxide selected from the group of oxides of transition metals with an atomic number from 39 to 79 and mixtures thereof, wherein the molar ratio of divalent oxide to transition metal oxide is in the range of from 1.0 to 20.0.
Dependencies are inferred from the claim text.