Archive
Education Research Group Established
Russian Section is Founded
NIDR is renamed NIDCR (National Institute of Dental and Craniofacial Research)
Chinese Division is Founded
First Ultrasonic Toothbrush Patented in the U.S.
Initially, the Ultima worked only on ultrasound. A few years later, a motor was added to the Ultrasonex brush, which provided additional sonic vibration.
Developments in Resin Modified Glass-Ionomer Cements
Venezuelan Division is Founded
Zirconia Use Advances and CAD/CAM Systems Debut
