Welcome @ the Greater Philadelphia Society of Orthodontists

Founded in 1945 by John Valentine Mershon, the Greater Philadelphia Society of Orthodontics is a professional association for dentists specialized in orthodontics. As a constituent of the American Association of Orthodontists covering the Philadelphia Tri-state Area, our mission is to advance the art and science of orthodontics.

GPSO Update

Orthodontist Meeting in the Philadelphia, New Jersey, Delaware Area

Continuing Education Courses 

November 14, 2018
Carriere Technique: Sagittal, First Approach for Correcting Malocclusions and Accelerating Treatment

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Philadelphia Orthodontist News

GPSO News

Updates from the Orthodontic Residency Programs at Temple, UPenn and Albert Einstein Medical Center.
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GPSO Historical Info

In Profile: John Valentine Mershon

GPSO founder Dr. Mershon developed the removable lingual arch appliance and pioneered the application of biological principles in orthodontics.
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