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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

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

Current Issue

On January 14, 2022

ADA News Current Issue: Established in 1970, the ADA News serves the dental profession in the U.S. and abroad.Read more

Supreme Court blocks COVID-19 vaccine-or-test requirement for large workplaces

On January 14, 2022

The Supreme Court blocked a mandate that called for large employers to require their employees to be fully vaccinated against COVID-19.Read more

ADA explains how No Surprises Act could affect dentists

On January 13, 2022

The ADA has received questions about the No Surprises Act and will issue an update on how it affects dentists as soon as information is available.Read more

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