Sirona to Report 2010 Fourth Quarter and Full Year Financial Results on November 18th

LONG ISLAND CITY, NY–(Marketwire – October 25, 2010) – Sirona (NASDAQ: SIRO), the dental technology leader, today announced that the Company will report its fiscal 2010 fourth quarter and full year financial results on Thursday, November 18, 2010, 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

To access the call, domestic participants may dial 866 730 5771 at least 10 minutes before the call is scheduled to begin. International participants may dial 857 350 1595. Participants will be required to provide the Conference ID number 67107595.

A live webcast of the presentation will be available at http://ir.sirona.com. The webcast will be archived for a period of twelve months.

About Sirona Dental Systems, Inc.

Sirona, the dental technology leader, has served dealers and dentists worldwide for more than 130 years. Sirona develops, manufactures, and markets a complete line of dental products, including CAD/CAM restoration systems (CEREC), digital intra-oral, panoramic and 3D imaging systems, dental treatment centers and handpieces. Visit http://www.sirona.com for more information about Sirona and its products.