M Beerens

COLOFON Lay-out: Nikki Vermeulen - Ridderprint BV Printing: Ridderprint BV - www.ridderprint.nl ISBN: 978-94-6299-863-6 www.publicatie-online.nl/publicaties/m-beerens/ The research described in this thesis was performed as a research collaboration between the Department of Orthodontics and the Department of Preventive Dentistry of the Academic Centre for Dentistry Amsterdam (ACTA), the combined faculty of dentistry of the University of Amsterdam and the VU University Amsterdam, the Netherlands. Copyright © by M.W. Beerens, 2018 All rights reserved. No parts of this book may be reproduced in any form, by print, photocopy, electronic data transfer or any other means, without prior permission of the author.