Dr. Dehner graduated from Northwestern University in Chicago, Illinois in 1966. After graduation, he served as a Lieutenant in the U.S. Naval Dental Corp; first at Great Lakes Naval Training Center in Illinois, and then was attached to the U.S. Marines Corp at Camp Pendleton. Dr. Dehner went on to open his general dental practice in fall of 1969 and then moved to his current office location in 1979.

Current and past affiliations:

U.S. Navy Dental Core all general dentistry procedures

Membership in… Orange County Dental Society (OCDS)

California Dental Association (CDA)

American Dental Academy (ADA)

Newport Harbor Academy of Dentistry (NHAD).