DENTAL ALLOY

• Main Authors: WISSEL IRMGARD, HACHENBERG JOERG, KLAUS ANGELA, STEINKE RUDI
• Format: Patent
• Language: English
• Published: 20.10.2011
• Subjects: ALLOYS; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE; CHEMISTRY; DENTISTRY; FERROUS OR NON-FERROUS ALLOYS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; TREATMENT OF ALLOYS OR NON-FERROUS METALS

PROBLEM TO BE SOLVED: To provide a dental alloy firable for producing a dental alloy essentially consisting of palladium, which has high mechanical stability and excellent polishing characteristics.SOLUTION: The dental alloy contains at least one element of the group comprising tantalum, niobium, yttrium, zirconium, chromium and molybdenum as grain-refinement control element, whereby the dental alloy consists of (in wt.%): 0.03 to 1 ruthenium; 0.03 to 2 grain-refinement control element; 0 to 10 tin; 0 to 10 zinc; 0 to 10 indium; 0 to 10 copper; 0 to 1 gallium; 0 to 10 platinum; 0 to 2 iridium; 0 to 2 rhodium; 0 to 2 germanium; 0 to 2 aluminum; 0 to 2 silicon; 0 to 2 cerium; 0 to 2 lanthanum; 0 to 2 iron, with the remainder being gold, palladium, and silver, whereby the sum of elements adds up to 100 wt.%.