Digital impressions have been introduced, and successfully used, for a number of years in orthodontics, as well, including Cadent’s IOC/OrthoCad, DENTSPLY/GAC’s OrthoPlex, Stratos/Orametrix’s SureSmile, and EMS’RapidForm but the introduction of the first digital intraoral scanner for restorative dentistry was in the 1980s by a Swiss dentist, Dr. The developed system was presented at the Chicago Midwinter Meeting in 1989 by fabricating a dental crown in 4 hours (1, 2). In detail he developed and patented a CAD/CAM device in 1984. Francois Duret in his thesis presented at the Université Claude Bernard, Faculté d’Odontologie, in Lyon, France in 1973, entitled “Empreinte Optique” (Optical Impression). The introduction of CAD/CAM concepts into dental applications was the brainchild of Dr.
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