About Dr. Gianmarco O’Brien

Dr. Gianmarco O'Brien Orange DentistDr. Gianmarco O’Brien is from San Francisco, California. In 1996, he completed his Bachelor’s Degree in Combined Sciences at Santa Clara University. After college, Dr. O’Brien worked at MicroDental Laboratories as a dental technician. He earned his D.D.S. from the University of the Pacific School of Dentistry in 2003. He was inducted as a member of the Omicron Kappa Upsilon and Tau Kappa Omega Dental Honor Societies, as well as the Phi Kappa Phi National University Honor Society which is reserved for the top three overall graduates of each class. Following dental school, Dr. O’Brien pursued training in the dental specialty of Prosthodontics. He was accepted into the Advanced Graduate Prosthodontics Program at UCLA School of Dentistry and completed his residency earning his specialty certificate. Dr. O’Brien has published in the field of prosthodontics internationally and lectured locally in California. As a Prosthodontist, Dr. O’Brien has expertise in working with dental phobic patients, medically compromised patients and has a reputation for creating aesthetic oral reconstructions utilizing dental implants, crowns, veneers and all types of removable dentures.

Dr. O’Brien is a member of the American College of Prosthodontists, American Dental Association, California Dental Association, and the Orange County Dental Society.