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
Continuing Education Courses
We look forward to seeing everyone in-person at our next meeting in 2022.
GPSO News
Updates from the Orthodontic Residency Programs at Temple, UPenn and Albert Einstein Medical Center.
» More
In Profile: John Valentine Mershon
GPSO founder Dr. Mershon developed the removable lingual arch appliance and pioneered the application of biological principles in orthodontics.
» More