Volume 11, Issue 6 TABLE OF CONTENTS Features 16 The Sagittal Arch Developer Appliance: A Clinical & Radiographic Evaluation By Arafa Mohammad Arafa Khatab, BDS, MSc, PhD 24 iOrtho : Expansion TM 10 By Chris Baker, RN, DMD 28 10 Breastfeeding Issues That Every Orthodontic Practitioner Should Know By Nancy T. Brohawn, RDH, BSDH 34 Darwinian Dentistry Part 1: An Evolutionary Perspective on the Etiology of Malocclusion By Kevin L. Boyd, M.Sc., DDS 16 40 2011 AOS-AGpO Annual Meeting Recap Departments 8 Ortho Industry News 10 Orthobites: Rapid Palatal Expansion By David W. Jackson, DDS, FAGD, IBO 28 42 AGpO Membership News 44 AOS Membership News 46 Patient’s Page 34 On the cover: At the AOS Mastership Orthodontics Course being taught in Dubai, United Arab Emirates, Dr. Chris Baker leads a discussion on wire bending with doctors from throughout the Middle East. The first Mastership group will complete Dr. Baker's course in February 2012. The second Mastership group had their first session in October 2011. AOS members in the Middle East total more than 60 dedicated, committed orthodontic practitioners. This peer-reviewed journal is published as the official publication of the American Orthodontic Society and the Academy of Gp Orthodontics. www.orthodontics.com November/December 2011 5