LONG ISLAND CITY, N.Y.--(BUSINESS WIRE)--Sirona (NASDAQ: SIRO), the dental technology leader, today announced that the Company will report its fiscal 2012 second quarter financial results on Friday, May 4th, 2012, at 6:30 AM E.T. Sirona's management team will host an investor conference call at 8:30 AM that morning. A presentation relating to the call will be available at http://ir.sirona.com.