PUBLISHED BY Gibbs Communications/ Magic Graphx, LLC E-mail: shea@gibbscom.com CONTRIBUTOR BIOGRAPHIES Jeffrey Dahm, DDS, is a 1987 graduate of Dordt College in Sioux Center, IA. He graduated from the University of Iowa College of Dentistry in 1991, completed an AEGD residency program at the University of North Carolina, and joined Dr. Jim Dahm in practice in 1992. Dahm has completed the Dawson Academy curriculum for restorative dentistry and is currently a member of the Seattle Study Club program. His passions are helping children with facial growth and development and the combination of orthodontic care and restorative dentistry for broken down dentition. He is a life member and Diplomate of the AOS. ADVERTISING SALES Emilie Hughes (972) 526-0704 E-mail: emilie@orthodontics.com ANNUAL MEETING EXHIBIT MANAGER Emilie Hughes (972) 526-0704 E-mail: emilie@orthodontics.com Elsa Alfonzo-Echeverri, DDS, FAAPD, is a board-certified pediatric dentist and vice president of Echeverri Dental Center in Houston, TX. She received her DDS degree from the University of Zulia in Venezuela and completed her pediatric residency at Louisiana State University. Being fluent in English and Spanish, Echeverri has made multiple presentation in the U.S. and abroad. For more than 25 years, she has been affiliated with the Texas Children’s Hospital and University of Texas Health Science Center at Houston. At the UTHealth School of Dentistry, she mentors a new generation of pediatric dentists. She is a Fellow of the AOS and member of numerous other dental associations. 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. Juan Carlos Echeverri, DDS, earned his DDS in his native country of Colombia before moving to the U.S. to pursue graduate studies. He received his Certificate of Maxillofacial Prosthetic Dentistry from the Louisiana State University School of Dentistry in 1989 and his DDS from the University of Texas-Houston in 1992. Fluent in Spanish and English, Echeverri has lectured in Colombia, Venezuela, and Spain, in addition to the U.S., and has published articles in the Journal of Prosthetic Dentistry and Journal of the American Orthodontic Society . His private practice in Houston focuses on a comprehensive approach to treatment, including restorative, prosthetic, and implant dentistry, as well as minor oral surgery and orthodontics. He is an AOS Past President and Diplomate. Ross Johnson, DDS, MSD, graduated from the University of Colorado’s dental school in 2014, completed a residency program affiliated with the U.S. Air Force in Virginia, and went on to active military service, providing dental care to American men and women in uniform. Johnson completed his orthodontic residency at the University of Colorado and his board certification in 2021. He remains with the Air Force a reservist and is a member of the American Dental Association, American Association of Orthodontists, College of Diplomates of the American Board of Orthodontics, and American Academy of Dental Sleep Medicine. He has a passion for treating TMJ disorders and has been involved with numerous publications and lectures on TMDs. As part of Dahm Dental, he serves the community in Pella, IA, and surrounding area. Brad Williams, DDS, graduated from the University of Oklahoma College of Dentistry in 1982. While in school, he was a contributing clinician to the Herbert T. Shillingburg, Jr., DDS, textbook entitled Restoration of Endodontically Treated Teeth . He has practiced general dentistry since 1982 and general practice orthodontics since 1983. Williams is active in the AOS, having previously served on their Board of Directors. In 2009, he was awarded AOS Fellowship and became a member of the AOS Academy of Diplomates in 2010. He is the AOS Senior Instructor for the Basic and Intermediate courses in Non-Extraction Straight Wire Orthodontics previously taught by the late Dr. David Jackson and Dr. Robert Gerety and teaches two alternating update courses for the AOS each year. Williams has taught for the AGD master track program in Texas and Oklahoma and has lectured on orthodontics and temporary anchorage devices at the Texas Dental Association meetings held in San Antonio. He has written and collaborated on numerous articles for the JAOS and been interviewed by Dr. Ed Gonzales on the AOS-sponsored podcast, “Orthodontic Smiles.” COPYRIGHT © 2025. 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 Gibbs Communications via e-mail to shea@gibbscom.com. www.orthodontics.com Fall 2025 5
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