North American Alloys Inc.

Optimum scored "zero reactivity" equal to the high-priced 99.7% gold containing alloy when tested side by side on a direct contact cytotoxicity test.* No more having to change your waxing and casting techniques while still maintaining razor sharp margins from a single unit to long span bridges.

• Nickel, Gallium & Beryllium Free
• Alternative to biocompatible, high gold content ceramic alloys.
• A grain structure that allows for ease of grinding and polishing.
• Ease of soldering of both base and precious alloy solder.
• Strong, dense solder joints without discoloration or distortion.
• Coefficient of thermal expansion compatible with all popular dental ceramics.
• A true exceptional chemical bond to the primary alloy (not to the oxides).