Volume 13, Issue 4 TABLE OF CONTENTS 20 30 26 2013 BUYER’S GUIDE 10 2013 Buyer’s Guide for Orthodontic Professionals 44 DEPARTMENTS 8 Ortho Industry News 20 Orthobites 36 Case Report 50 AGpO Membership News 52 AOS Membership News On the cover: Dr. Der, DDS graduated in 1980 from the University of Western Ontario. He is an active member of the AGpO, AOS and Ontario Dental Association. He enjoys teaching and has been teaching at the University of Toronto in the Faculty of Dentistry since 1991. Dr. Der looks forward to meeting new patients and helping them become comfortable in the dental office. FEATURES 26 Severely Rotated Single Rooted Teeth: Etiology, Treatment, and Orthodontic Adjuncts Review 30 Resolution of A 'Gummy Smile' and Anterior Open Bite: Using the DNA ® Appliance 44 Everything is Illuminated: Bringing Light to the Use of Lasers in Orthodontic Treatment This peer-reviewed journal is published as the official publication of the American Orthodontic Society and the Academy of Gp Orthodontics. www.orthodontics.com July/August 2013 5