Sirona Dental Systems, Inc. engages in the manufacturing of dental equipment. The company operates its business through four segments: Dental CAD/CAM Systems, Imaging Systems, Treatment Centers and Instruments. The Dental CAD/CAM Systems segment addresses the market for dental restorations, which includes several types of restorations, such as inlays, onlays, veneers, crowns, bridges, copings and bridge frameworks made from ceramic, metal or composite blocks. The Imaging Systems segment comprises of systems for diagnostic imaging in the dental practice. The Treatment Centers segment comprises of products from basic dentist chairs to sophisticated chair-based units with integrated diagnostic, hygiene and ergonomic functionalities, as well as specialist centers used in preventative treatment and for training purposes. The Instruments segment offers a range of instruments including, handheld and power-operated handpieces for cavity preparation, endodontics, periodontology and prophylaxis, which are regularly updated and improved. Sirona Dental Systems was founded in 1997 and is headquartered in Long Island City, NY.