Avista Capital Partners, a private equity firm, completed the acquisition of Solmetex, a provider of amalgam separators and other waste compliance products, from private equity firms Avalt, Gemini Investors, and Riveria Investment Group. Financial terms were not disclosed. "Our investment in Solmetex represents an attractive opportunity to acquire the clear market leader in an indispensable category within the dental industry. With deep customer relationships, strong recurring revenues, a durable portfolio, and a new product pipeline, we believe Solmetex has the potential for robust domestic and international expansion," Sriram Venkataraman, Avista Capital Partners Partner.