Nanda, Ram S., 1927-. Biomechanics in orthodontics : principles and practice / Ram S. Nanda, Yahya S. Tosun. - Chicago : Quintessence Pub. Co., c2010. - vii, 160 p. : ill. (some col.) ; 29 cm. Includes bibliographical references and index. ISBN: 9780867155051 RM293.31 LCCN: 2010-013547 Subjects--Topical Terms: Orthodontic Appliances.Malocclusion--therapy.Orthodontic Appliance Design.