PUBLISHED BY Wright Publishing Group, Inc. 1120 Pinellas Bayway South, #205 Tierra Verde, FL 33715 (727) 343-5600 E-mail: lisa@wrightgrp.com www.wrightgrp.com CONTRIBUTOR BIOGRAPHIES Chris Alex, DynaFlex, currently serves as the national dental groups liaison for DynaFlex, and has consulted within the dental industry for over 20 years helping private practitioners and national dental groups alike adopt new orthodontic treatment technologies for improving workflow, clinical outcomes, and patient satisfaction. Robert Allen, DDS, is a 1985 graduate of the University of Texas Health Science Center at San Antonio. He has been a solo practitioner in Rockwall, Texas since 1987. He completed the Academy of Gp Orthodontics' 12 Session Course under Dr. Ron Austin in 1994, and received his Diplomate from the Academy in 1996. In addition Dr. Allen has been a host dentist and clinical instructor for the Academy since 1992. He has actively practiced orthodontics since 1989, completing over 500 Tip-Edge ® cases, carrying a caseload of over 50 patients annually. He is a current member of the North Texas Dental Society, the Texas Dental Association, the American Dental Association. ADVERTISING SALES Emily Tarr (205) 563-9313 E-mail: etarr@orthodontics.com ANNUAL MEETING EXHIBIT MANAGER Tom Chapman American Orthodontic Society 11884 Greenville Avenue, Suite 112 Dallas, TX 75243 (972) 234-4000 E-mail: TChapman@orthodontics.com José de Jesús Rangel Chávez, MD, is a medical graduate of the University of San Luis Potosí, México and ENT graduate at the University of Montpellier, France. He has 29 years of clinical experience in cranio-facial trauma and child nasal functional surgery. Chief of the Department of Otolaryngology and Otoneuroftalmology at the Hospital de Especialidades Medicas de la Salud. Developer of the concept of RhinoStomatology. As chief of the sleep disordered sleep department, he has presented research in multiple ENT international meetings including Pairs and World sleep in Prague recently. He is a visiting professor and lecturer at the Spanish Sleep Society as well as the Dental Sleep Medicine Society Renowned international lecturer and pioneer in the field of intradisciplinary work in pediatric sleep medicine. He has coined multiple terms such as the Pediatric Nasal Obstructive Syndrome and the Nocturnal Nose. He can be reached at doctorrangel.snop@gmail.com. Elsa Alfonzo-Echeverri, DDS, FAAPD, is the Vice President of Echeverri Dental Center in Houston, TX. She is fluent in both English and Spanish and is an international speaker having made presentations in Venezuela, Costa Rica, Guatemala, Spain and the USA. She is also a member of the American Academy of Pediatric Dentistry, the American Assn of Pediatric Dentistry and the AOS. Juan Carlos Echeverri, DDS, FAOS, after earning his DDS in his native country of Colombia, Dr. Echeverri moved to the US to pursue graduate studies. He received his Certificate of Maxillofacial Prosthetic Dentistry from LSU School of Dentistry in 1989 and his DDS from UT-Houston in 1992. Fluent in Spanish and English, he has lectured in Colombia, Venezuela, and Spain, in addition to the US and has published articles in the Journal of Prosthetic Dentistry and the Journal of the American Orthodontic Society. His private practice in Houston focuses on a comprehensive approach to the treatment of patients, including restorative, prosthetic, and implant dentistry, as well as minor oral surgery and orthodontics. Dr. Echeverri is a Diplomate of the AOS and an AOS Past President. Paul Ehrlich, PhD, has been a household name since the publication of his 1968 bestseller, The Population Bomb. He also is the co-author of Jaws: The Story of a Hidden Epidemic. He is Bing Professor of Population Studies Emeritus and president of the Center for Conservation Biologyat Stanford University. He also is a member of the U.S. National Academy of Sciences, The Royal Society, and a recipient of the Crafoord Prize, the Blue Planet Prize, and numerous other international honors. Has investigated a wide range of topics in population biology, ecology, evolution, human ecology, and environmental science. He can be reached at pre@stanford.edu. Thaer Hamid, DDS, graduated from the Universidade de Santa Cruz do Sul with his degree in dentistry. He then obtained his Specialty Orthodontics degree at AGOR Porto Alegre Brasil. He is a post graduate professor of orthodontics at Ieapom Porto Alegre Brasil.In addition he is also a professor at Centro Tecnologico de Ensino Odontologico and has a private practice in Venancio Aires. ADVERTISING & EDITORIAL POLICY The American Orthodontic Society welcomes advertising in its publications as an important means of keeping the orthodontic practitioner informed of new and better products and services for the practice of orthodontics. Such advertising must be factual, dignified, tasteful and intended to provide useful product and service information. These standards apply to all product-specific promotional material submitted to the American Orthodontic Soci-ety. The publication of an advertisement is not to be construed as an endorsement or approval by the American Orthodontic Soci-ety unless the advertisement specifically includes an authorized statement that such approval or endorsement has been granted. The fact that an advertisement for a product, service or company has appeared in an Amer-ican Orthodontic Society publication will not be referred to in collateral advertising. The American Orthodontic Society reserves the right to accept or reject advertising at its sole discretion for any product or service submitted for publication. Chune Avruch Janovich, DDS, graduated from the Universidade Luterana do Brasil with his degree in dentistry. He obtained his Specialty degree in orthodontics from ABO de Volta Redonda. In addition he attained his Master of Science in Biomaterials from The Universidade do Vale do Paraiba. Besides being a professor at Cento Tecnologico de Ensino Odontologico he also teaches the post graduate orthodontic program at Ieapom School Porto Alegre Brasil where he also has a private practice. Sandra Kahn DDS, MSD, is a graduate of the University of Mexico and the University of the Pacific. She has 25 years of clinical experience in orthodontics and has been part of craniofacial anomalies teams at the University of California, San Francisco and Stanford University. Author of Let’s Face it -a guide to your child’s optimal health, facial and dental development; GOPex – Good Oral Posture Exercises -Your guide to being healthier, growing stronger and having straighter teeth! Translated Mew’s, The Cause and Cure of Malocclusion. Co-author of Jaws: The Story of a Hidden Epidemic. Developer of the Kahn-Bow, the only bimaxillary protraction device and the Forwardontic Vacuum Activator. Diplomate of the American Board of Orthodontics practicing Forwardontics exclusively. She is currently co-authoring the books “NOse” about nasal function and Nitric Oxide with Ehrlich and Rangel; and “Biofunctional Breathing” with Engelke. Her scientific publications include peer reviewed journals in anthropology, otorhinolaryngology and recently BioScience. She can be reached at forwardontics.com. Temístocles Uriarte Zucchi, DDS, graduated from the Universidade Federal de Pelotas with a degree in dentistry. He received his Master of Science and specialty degree in orthodontics at the Centro de Pesquisas Odontologicas, Sao Leopoldo Mandic Centro, Aramas Brasil. In addition he is the scientific advisor of the magazine OrthoScience and has a private practice at Erechim Brasil. www.orthodontics.com COPYRIGHT © 2021. Journal of the American Orthodontic Society. The material in each issue of the JAOS is protected by copyright. None of it may be duplicated, reprinted or reproduced in any manner without express written consent from the publisher. All inquiries and/or requests should be submitted in writing to Wright Publishing Group, Inc. via e-mail to jaos@wrightgrp.com. Winter 2021 5