1980	Development of the CEREC method at the University of Zurich (W. Mörmann, M. Brandestini).
1985	Treatment of the first patient with CEREC (University of Zurich, material: VITABLOCS® Mark I).
1986	Siemens acquires the license to market and further develop the CEREC equipment.
1987	CEREC 1 is introduced (chief indication: single and dual-surface inlays; material: VITABLOCS® Mark II).
1991	Hydraulic machining drive replaced by an electronically controlled motor.
1994	CEREC 2 is introduced (range of indications: inlays, onlays, veneers).
1997	Sirona was formed as the result of the sale of the Dental Division of Siemens AG.
1998	Second material manufacturer partnership is formed (lvoclar, ProCAD®).
2000	CEREC 3 is introduced (compact Windows®-based CAD/CAM system).
2000	Third material manufacturer partnership is formed (3M Paradigm™ MZ100).
2002	More than 2,500 CEREC users in the United States and over 5,000,000 CEREC restorations placed worldwide.
2002	Sirona inLab is introduced in North America.
2004	Sirona inLab 3D - Software is introduced.
2005	New product:Abutment 3D-Software for inLab
2005	300th inLab Installed in North America
2006	600th inLab System Installed in North America
2006	Merger with of Schick Technologies, Inc. Sirona Dental Systems, Inc. was listed for the first time on the NASDAQ National Exchange under the ticker symbol SIRO.