Skip to main content

We Are 150 Years Strong

On June 29, 1870, the California Dental Association was founded by 23 visionary dentists. Since that time, CDA has never stopped working to empower our state’s brilliant dental community. Our members have made this remarkable 150-year milestone possible, and we invite you to be a part of this enduring legacy.

Share your stories, photos and messages on social media using #CDA150 all year long.

A Remarkable History


From a bold beginning to a community that is now 27,000 members strong: Watch the video to learn how together, we built a legacy that is ready for the next 150 years.



See Our Story

Explore CDA's memorable milestones over 150 years.

View Timeline

CDA by the numbers

Members strong
1 of 7
US dentists is a CDA member

CDA's Anniversary in the News

CDA leaders look ahead to next 150 years of organized dentistry

“I see CDA now and into the future as being limitless in what we can produce and do for our members.” While reflecting on CDA’s momentous milestone of 150 years in organized dentistry, Richard Nagy, DDS, president of the California Dental Association, looks ahead — optimistic about what’s next for the organization and its 27,000 members.

CDA Journal salutes the association’s 150th anniversary

The March issue of the Journal of the California Dental Association commemorates CDA’s 150th year with articles on the history of the organization and the roles medicine, technology, dental education and societal needs play in shaping the future of dentistry and oral health. The issue also features articles on the future of organized dentistry.

CDA celebrates 150 years of growth and innovation

This year marks the California Dental Association’s sesquicentennial anniversary. In celebration of this remarkable milestone, CDA looks back on its bold beginnings and looks forward to the limitless possibilities ahead. Over 150 years, CDA has innovated and grown to become a community of 27,000 members and the largest state society in the ADA. Its rich heritage is filled with radical ideas that changed dentistry for the better.