NIDR is Created

Timeline Display Date
1948

On June 24, President Truman signed the National Dental Research Act. The measure was inspired by revelations that more than 20 percent of wartime inductees could not meet baseline dental requirements and concerns about a postwar shortage of dentists. The act was supported by influential proponents in the American Dental Association and in Congress.

President Truman signs the National Dental Research Act. Standing, far right, is soon-to-be NIDR director Trendley Dean.
NIDCR
President Truman signs the National Dental Research Act. Standing, far right, is soon-to-be NIDR director Trendley Dean.
Edward Hamppand Trench Mouth
Explore an Interactive Timeline of NIDCR's History

Learn about important events, scientific breakthroughs, and publications starting in 1945.

Last Reviewed
May 17, 2025