Volume 20, Issue 2 TABLE OF CONTENTS 8 26 10 FEATURES 8 10 Probiotics for Oral Health in Orthodontics Treating an Asymmetric Class II CASE with a Palatal TAD Technique 34 DEPARTMENTS 6 Ortho Industry News 42 AGpO Membership News 44 AOS Membership News On the cover: Pictured on the cover are dentists from the Tippin Dental Group in Newton, KS. Dr. R.J. Tippin, Dr. Phillip Tippin, Dr. Andy Friesen and Dr. Lindsay Pauly are also members of the American Orthodontic Society. Dr. R.J. Tippin is a current Board Member and Vice President of the AOS and has also achieved the AOS Tier Credentialing status of Diplomate. 16 Muscle Strength & It's Influence on Orthodontic Mechanics 26 Case Study: TADs or Forsus Anchorage for Space Closure 34 Intuitive Cephalometrics Part 2 This peer-reviewed journal is published as the official publication of the American Orthodontic Society and the Academy of Gp Orthodontics. Follow us on these social channels: www.orthodontics.com Spring 2020 3