TY - BOOK AU - Proffit, William R. TI - Contemporary orthodontics SN - 1556645538 (hb) U1 - 617.643 PY - 2000/// CY - St. Louis, Missouri PB - Mosby, Inc., A Harcourt Health Sciences Company KW - Orthodontics KW - Etiology KW - Limitations KW - Biomechanics KW - Mechanics KW - Preadolescent KW - IIDC N1 - Includes bibliographical references and index ER -