Jost Fischer, Chairman, President and CEO of Sirona Dental Systems, Inc.,
Rings The NASDAQ Stock Market Closing Bell

Thursday, August 31, 2006
at NASDAQ's MarketSite
in New York City.

Sirona Dental Systems, Inc.
[SIRO]

Jost Fischer, Chairman, President and CEO of Sirona Dental Systems, Inc., presides over the closing bell.
Recognized as one of the world's leading manufacturers of high quality dental equipment and technologies, Sirona (formerly Siemens Dental) has served equipment dealers and dentists worldwide for more than 125 years. Sirona develops, manufactures, and markets a complete line of dental products, including the CAD/CAM restoration equipment (CEREC), digital and film-based intra-oral, panoramic and cephalometric X-ray imaging systems, dental treatment centers and handpieces. On June 20, 2006, Sirona completed its acquisition of Schick Technologies, an ISO 9001 certified company, which designs, develops, and manufactures innovative digital x-ray imaging systems for the dental markets, based on proprietary digital imaging technologies. Sirona's worldwide headquarters are located in Bensheim, Germany, with U.S. headquarters in Long Island City, New York. Visit http://www.sirona.com for more information about Sirona and its products.

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