Lester Levern Merrifield (February 1, 1921 – January 15, 2000) was an American orthodontist known for his contributions in developing the Tweed-Merrifield philosophy with the Edgewise brackets during the 1950s.
After that he pursued his education in Orthodontics from University of Missouri–Kansas City School of Dentistry.
After that he moved to Kay County, Oklahoma where he started an Orthodontic Practice with his brother Vernon Merrifield.
Dr. Merrifield enrolled himself in the Advanced edgewise technique course at the Tweed Foundation in 1953.
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