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The Midwestern society of orthodontists (MSO)

The Midwestern Society of Orthodontists (MSO) is a constituent of the American Association of Orthodontists (AAO). MSO is comprised of approximately 1,300 active members across the component states of Illinois, Iowa, Minnesota, Missouri, Nebraska, North Dakota, South Dakota and Wisconsin, as well as the Canadian province of Manitoba. Since 1939, the MSO has continuously strived to support the AAO mission by providing helpful resources, clear communication and strong leadership to component societies and individual members.

Click here to visit the MSO website


MSO 2023 Annual Session (Doctor and Staff Program)

October 13-14, 2023
MSO-RMSO Annual Session 
Hilton near the Mayo Clinic
Rochester, MN
Visit MSO/RMSO 2023 Annual Session - Rochester, Minnesota ( and register today.

Contact the MSO at 636-745-3008 or

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