Whip Mix, Louisville, Ky, has introduced UltiRock Die Stone. According to the company, the die stone produces precision models and dies with high abrasion resistance for fixed restorations. Its low setting expansion makes it suitable for implant and complex cases. Its smooth, nonreflective surface is designed to scan readily. UltiRock Premium Die Stone is Type 4 and is available in golden brown, white, and ivory. The company offers free samples. 

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