Debut of the First Fully Reclining Dental Chair

This new design element allowed for a durable, yet flexible chair that was more comfortable for the patient yet didn’t the dentist’s access.

High-Speed Air-Drive Contra-Angle Handpiece Introduced

Buonocore Explores the Etching of Dental Enamel

While doing research at the Eastman Dental Center in Rochester, New York, USA, Buonocore experimented with adding a weak acid to the bonding process to increase the bond strength between the surface enamel and resin. The traditional acrylic resins were quickly replaced as Buonocore’s discovery was better adept to handle the oral environment.

Japanese Division of the IADR is Founded

British Division of the IADR is Founded

Brånemark Observes Osseointegration of Titanium Implants

He called it “a direct structural and functional connection between ordered living bone and the surface of the load-covering implant.”

North American Division of the IADR is Founded

Procter & Gamble Develop and Market First Fluoride Toothpaste

The research team produced a cavity-preventing toothpaste prototype by 1952 and proceeded to run clinical trials on 1,500 children and 400 adults in the area. After demonstrating that half of the participants showed a significant decrease in dental caries, Procter & Gamble released Crest toothpaste in 1956.