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Who We Are

The Pacific Coast Society of Orthodontists was founded in 1912 and has grown to nearly 3,000 members. PCSO is comprised of component organizations and is the largest constituent organization of the American Association of Orthodontists.

Our Mission

The Pacific Coast Society of Orthodontists is a professional organization of orthodontic specialists whose mission is to help its members provide the highest level of care to the public by providing quality continuing education, providing a framework for a strong political voice, facilitating two-way communications between the organization and its members, and supporting the successful practice of orthodontics.

Our Leadership

Dr. Tom Merrill
Dr. Tom MerrillPresident
John Wachtel
John WachtelPresident-Elect
Mary Cooke
Mary CookeSecretary-Treasurer
Dr. Trista Felty
Dr. Trista Felty PCSO Trustee to the AAO
Dr. Marie Lathrop
Dr. Marie LathropImmediate Past President
Dr. Paul Kasrovi
Dr. Paul Kasrovi Delegation Chair
Ms. Callie Castro
Ms. Callie CastroExecutive Director

PCSO Membership Territory

AB BC MB NB NL NT NS NU ON PE QC SK YT AL AK AZ AR CA CO CT DE FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RI SC SD TN TX UT VT VA WA WV WI WY

2022 WOCON Spring Session

2022 WOCON Spring Session

Save the Date

Events Calendar

Upcoming Events

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Proposed Bylaws Update

Proposed Bylaws Update

View Bylaws

Become a Member

The PCSO website is your gateway to information and benefits. PCSO members can log in to participate in forums and blogs.

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Latest News

ADA encourages development of best practices for managing patients under influence of marijuana

On December 6, 2021

House of Delegates resolution calls for more research by external stakeholders.Read more

ADA helps develop guides for sharing patient information between dental, medical providers

On December 6, 2021

The ADA has helped develop two guides that will improve the sharing of patient health information between dental and medical providers.Read more

How did you choose your specialty?

On December 6, 2021

The ADA News talked to three dental specialists about why they chose their particular specialty.Read more

Latest Instagram Posts

Space is limited. Register early! Be a part of WOCON | SPRING SESSION 2022: March 4-5 – featuring The Ritz-Carlton Leadership Center. This is an experience for the entire team. Find details, course descriptions, and guest speaker info on our website. Register today at PCSORTHO.ORG. We can’t wait to see you!
Join us as we congratulate Dr. Gerald (Jerry) Nelson! “I am very honored and grateful to receive the 2021 PCSO Arthur A. Dugoni Lifetime Achievement honoree at this in-person Annual Session of the Pacific Coast Society of Orthodontists. I wish I could thank all of those who have mentored and supported me. But the foundation of love and support my wife and six kids have given me throughout my career can’t be measured.“
Help us in congratulating Dr. Jae Hyun Park! “I am deeply humbled to have been selected to receive this year’s Award of Merit and extend my gratitude and appreciation to the nominating and awards committee and our Board of Directors. When I consider the contributions of the former awardees, I am struck by the magnitude of this honor. I hope that my example will be an inspiration to those who come after me.” Catch up on Dr. Jae Hyun Park’s accomplishments here: http://www.brightcopy.net/allen/pcso/93-3/index.php#/p/38