CHARLOTTE, N.C.--(BUSINESS WIRE)--Sirona Dental Systems (Nasdaq: SIRO), the company that pioneered digital dentistry more than 27 years ago and the global number one producer of dental CAD/CAM systems, will celebrate the 27 and a half year anniversary of its industry-changing CEREC CAD/CAM system at the Venetian Resort Hotel Casino August 16-18, 2012.