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.
Archive
Developments in Resin Modified Glass-Ionomer Cements
Venezuelan Division is Founded
Zirconia Use Advances and CAD/CAM Systems Debut
Peruvian Division is Founded
Saudi Arabian Division is Founded
Nutrition Research Group Established
Brazilian Division is Founded
Oral Health Research Group Established
Frencken Presents Atraumatic Restorative Treatment Model
The atraumatic restorative treatment utilizes hand instruments and adhesive filling material to remove recalcified tooth tissue and restore the cavity. As this technique doesn’t use electricity, it makes restorative oral care more accessible, specifically in underdeveloped countries.