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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

2022 WOCON Spring Session

2022 WOCON Spring Session

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Events Calendar

Upcoming Events

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Proposed Bylaws Update

Proposed Bylaws Update

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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

HPI launches new economic poll

On January 28, 2022

HPI has launched a monthly poll of U.S. dentists to measure the economic impact of the COVID-19 pandemic and to gather dentists’ opinions on other current and emerging issues impacting their practices.Read more

ADA seeks public/consumer member nominations for CODA

On January 25, 2022

Nominees should submit a current resume and completed application form by May 1.Read more

February JADA finds oral health care spending differences between Medicaid, commercial plans

On January 24, 2022

Average spending on oral health care was higher at all ages among those with commercial insurance than those with Medicaid.Read more

Latest Instagram Posts

School Spotlight: The University of Washington is a 33-month program where graduates earn a Certificate in the specialty of orthodontics, as well as a Master of Science in Dentistry. Each year, 5 residents are selected to attend. The University of Washington is known for training many US and international clinicians, academicians, and leaders in the profession! #PCSOrtho
"The time is always right to do what is right." Dr Martin Luther King Jr. #PCSOrtho #keepsmiling
Last chance to save…. Just a friendly reminder 😀 to save a little $$$ before we ring in the new year! Register before January 1 to take advantage of discounted fees. For more details and to register visit pcsortho.com. Vegas here we come!