Volume 27, Issue 3 TABLE OF CONTENTS 8 20 14 2026 BUYER’S GUIDE 6 2026 Buyer’s Guide for Orthodontic Professionals 26 DEPARTMENTS 34 37 AGpO Membership News AOS Membership News FEATURES 8 Airway Facial Epigenetics: A New Root-Cause Treatment Category Beyond Clear Aligners On the cover: The Drey Hotel in Dallas, TX, site of the upcoming 2026 American Orthodontic Society Annual Meeting September 17-19. 14 20 Non-Extraction: Class II Malocclusion Case Report Early Orthodontic Intervention With Clear Aligners in Mixed Dentition Patients: A Case Series Utilizing Digital Treatment Planning & Sequential Aligner Therapy The Why’s & How’s of Pediatric Transverse Development, Part I: Ages 3 to 5 This peer-reviewed journal is the official publication of the American Orthodontic Society and the Academy of Gp Orthodontics. 26 orthodontics.com Summer 2026 3