Philosophy Statement of Practice - "The purpose of this practice is to provide modern, sensible and technologically superior oral health care in a personalized and timely fashion that will serve not only to treat, protect and sustain our patients but also stand as a compassionate and vigilant guardian, for their sake, against untoward oral health circumstances that might befall them throughout the course of their lives in this complicated and unforgiving world." Terrance J. Spahl, Doctor of Dental Surgery

  • Principal author of a trilogy of textbooks on orthodontics, maxillofacial orthopedics and TMJ therapeutics. "The Clinical Management of Basic Maxillofacial Orthopedic Appliances, Volume 1: Mechanics, Volume 11: Diagnostics, Volume III: Temporomandibular Joint, Mosby-Yearbook Inc., St. Louis, Missouri

  • Lectured on the subject of orthodontics and TMJ before both dental and medical groups. He has lectured for over two decades at seminars and dental meetings throughout the United States and Canada. He has also lectured in Europe, South America, Australia and the Orient.

  • Certified Senior Instructor for the International Association of Orthodontics

  • Named "The Clinician of the Year" by the American Association of Functional Orthodontics in Washington D.C. It is that organization's highest award given annually to one individual.

  • Served as a Dental Products Consultant with 3M Company

  • Served as a Clinical Instructor for the Department of Radiology at the University of Minnesota

  • Served on the Dental Surgery Committee of St. John's Hospital in St. Paul

  • Served as AAFO's representative to the Alliance of TMD Organizations National Committee

  • Orthodontic appliance design consultant and clinical lecturer for The Appliance Therapy Group and The Smile Foundation

  • Authored numerous articles for various journals on the subject of orthodontics/TMJ

  • Authored a chapter "Orthodontic Diagnosis and Treatment Planning with the Computer" for the text "Internationale Beitage Zur Kieferorthopadie" for Hans Peter Bimler, published by Quintessence Publishing Co.

  • Contributing Editor: The Journal of Clinical Pediatric Dentistry, the Functional Orthodontist, and The International Journal of Orthodontics

  • Developer of the Spahl Split Vertical (SSV) Appliance System

  • Member of the American Association of Functional Orthodontics

  • Member of the Consulting Board of the TMJ Institute of America

  • Member of the Board of the Functional Freedom Foundation

  • After two years in the Air Force, he returned to a private practice in St. Paul

  • Studied extensively at numerous post graduate courses in both this country and abroad, and under such noted lecturers as John Witzig, Phil Jones, Merle Bean, J.W. Truitt, Waldemar Brehm, William L. Wilson, Hans Eirew, Peter Dawson, and many others. He has also studied cephalometrics under the extended private tutelage of Dr. Hans Peter Bimler in Wiesbaden, Germany.

  • Won the Senior Essay competition (as a dental student at the University of Minnesota), sponsored by the Minnesota Prosthodontics Society, for a paper on the relationship of speech defects to artificial dentures

  • Obtained a B.S. and D.D.S. degrees from the University of Minnesota, completing his dental education in 1969

  • Attended the College of St. Thomas in St. Paul, Minnesota, 1962-1965

Dr. Spahl's Neuro Lecture