No part of this book may be reproduced without the expressed written permission of Hespeler Orthodontics Limited Portions of this material were contributed by: Dr. G. H. Hanson and Dr. J. L. Berger SPEED System™ Orthodontics HESPELER ORTHODONTICS LIMITED 298 Shepherd Avenue Cambridge Ontario N3C 1V1 Canada Tel:1-800-26-SPEED 1-519-658-2925 Fax:1-519-658-6925 www.speedsystem.com Printed in Canada SSQ&A Rev B. © 2017 Hespeler Orthodontics Limited
RkJQdWJsaXNoZXIy Nzg3Njc4