Extraoral anchorage, its use with the Johnson Twin-Wire mechanism and Edgewise appliance in treating Class II, Division I cases of malocclusion
By: by John J. Witek, Ivan Ochoa
Contributors: Ochoa, Ivan
Published: 1950
Language: eng
Number of pages: 61
Subjects: Academic Dissertations as Topic; Removable Orthodontic Appliances
Notes: Thesis (Orthodontics Certificate) -- Columbia University School of Dental and Oral Surgery -- New York, 1950.

Bibliography: p. 58-61.