Welcome to Klein Orthodontics!

Welcome to Klein Orthodontics! We are the longest, continuously operating family orthodontic practice in Oregon. Our office was opened by Dr. Paul Klein in 1954 and is now continued by his son, Dr. Douglas J. Klein, who joined the practice in 1983. Located in Lake Oswego and Tualatin, Oregon our priority has not changed since the practice was established years ago.

We strive to provide you the highest quality orthodontic care in a friendly, comfortable and ethical environment using traditional braces and Invisalign® clear aligners. We focus on what makes patients unique and then tailor our treatment recommendations to compliment each individual. We are aware that healthcare decisions can be confusing and overwhelming, especially in this day of modern social media and marketing. Our goal is to help you make an informed, candid, face-to-face decision regarding orthodontic care.

Please contact us if you have any questions or would like to schedule an appointment.


Invisalign is the clear way to straighten teeth without traditional metal braces, using virtually invisible aligners. Learn more about the market's leading clear aligner system.

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Meet Dr. Klein

Dr. Klein was born and raised in Oregon, attended Lake Oswego public schools and graduated from Lakeridge High School in 1974. He attended college at the University of Pacific, earned his D.D.S. from Northwestern University and his Certificate of Orthodontics and M.S.D. from University of Washington.

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Meet Dr. Moses

Dr. Moses was born in Great Falls, MT and shortly thereafter his family moved to West Linn, OR. He graduated from West Linn High School in 1990, then went on to receive his Bachelor of Science from Brigham Young University. He received his dental education and graduate orthodontic training from Oregon Health & Science University (OHSU) in 2000 and 2002 respectively. He became a Diplomate of the American Board of Orthodontics in 2010.

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Meet Dr. Safirstein

The 8th dentist in his family, Dr. Joe Safirstein became an orthodontic assistant at the age of 12 working in his father’s orthodontic practice. He is a faculty member at the OHSU Department of Orthodontics and past president of the Oregon State Society of Orthodontists, and OHSU Orthodontic Alumni Association.

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Klein Orthodontics

  • Lake Oswego Office - 601 First St., Suite C, Lake Oswego, OR 97034 Phone: 503-636-8491
  • Tualatin Office - 18799 S.W. Boones Ferry Rd., Tualatin, OR 97062 Phone: 503-692-3710

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