Kelley Dental offers high quality PFM crowns and bridges with the following alloy options: *Composition is an estimate. Actual percentages may vary Full Cast Crowns & Bridges PMW (Noble) ALLOY CLASSIFICATION CERTIFICATE Manufacturer: Pentron (Zahn) COMPOSITION Ag – 71.5% Pd – 25% In – 2.5% Bal: Zn, Ru Silver in color, low cost 16.80 dwt CB20 (Noble) ALLOY CLASSIFICATION CERTIFICATE Manufacturer: Pentron (Zahn) COMPOSITION Au – 20% Ag – 41% Pd – 20% In – 17% Bal: Zn, Ir Gold in color, single units, bridges 21.07 dwt CB50 (Noble) ALLOY CLASSIFICATION CERTIFICATE Manufacturer: Pentron (Zahn) COMPOSITION Gold – 50% Silver – 35% Palladium – 4% Copper – 10% Gold in color, use in large bridges for strength 30.95 dwt JRVT (High Noble) Premium Casting Alloy Manufacturer: Jensen COMPOSITION Au – 77% Ag – 13% Cu 8.5% Pd – 1% Contains less than 1%: Zn, In, Ir Gold in color, higher gold content, thus softer metal: Use for full cast crowns, inlays – high burnishability 54.73 dwt Porcelain to Metal ASPEN (Noble) ALLOY CLASSIFICATION CERTIFICATE Manufacturer: Pentron (Zahn) COMPOSITION Au – 5.5% Pt – 1% Pd – 75% Ag – 6.5% In – 6% Ga – 6% Bal: Ru Silver in color, singles, bridges, lower cost 31.99 dwt D-91 (Noble) IDENTALLOY® CERTIFICATE Manufacturer: Ivoclar COMPOSITION Au – 60.0% Ga – 1.0% Pd – 30.6% Re - < 1.0 % In – 8.4% Ru - < 1.0 % Silver in color, singles & bridges 50.02 dwt BIO 86 (Noble) ALLOY CLASSIFICATION CERTIFICATE Manufacturer: Pentron (Zahn) COMPOSITION Au – 86% Pt – 11% Bal: In, Zn, Ir, Mn, Ta Gold in color, singles, bridges 77.15 dwt Argistar/Bio75PF(High Noble) Manufacturer: The Argen Corporation COMPOSITION Au – 75% Pt – 9.01% Ag – 12.5% Zn – 2.0% Rh - .99% Ta - .4% Ir - .1% Pressed Ceramic/Metal 52.74 dwt