Comparative Study of the Fit Accuracy of Full-Arch Bar Frameworks Fabricated with Different Presintered Cobalt-Chromium Alloys

Table 1

Co-Cr alloy systems used for fabricating the bar framework.

Co-Cr Alloy	Composition (weight %	Sintering furnace	Manufacturer
Ceramill Sintron	Co 66, Cr 28, Mo 5, Si < 1, Fe < 1, Mn < 1	Ceramill Argotherm	Amann Girrbach, Koblach, Austria
Soft Metal	Co 63.4, Cr 29, Mo 5.8, Si 0.8, other elements < 1	Well-Burn (Denstar)	LHK, Daegu, Chilgok, Korea
Sintermetall	Co 65, Cr 27, Mo 5, C, N < 1	Sinterofen 300S	Zirkonzahn, South Tyrol, Italy

s provided by manufacturers.
C, carbon; Co, cobalt; Cr, chromium; Co-Cr, cobalt-chromium; Fe, iron; Mn, manganese; Mo, molybdenum; N, nitrogen; Si, silicon.