other), non-growing individuals, and cases that do not respond to orthopedic treatment modalities. In the next issue I will present part 2 of this article. I will discuss distalizing mechanics with a particular empha-sis on distalizing through the center of resistance of the maxillary first molar to eliminate tipping and the use of palatal TADs for anchorage. References 1. Carapezza, Leonard J., DMD. Six Keys to Early Mixed Dentition Class II Correction: A Quantified Approach to Diagnosis and Treatment. Journal of American Orthodon-tic Society; Spring 2014. 2. DENTSPLY GAC Professional. 1301 Smile Way York, Pa 17404-0807 Phone: 800-989-8826 3. Drescher, Dieter, DMD, PHD, et. al. Correction of Upper-Arch Asymmetries Using the Mesial-Distalslider. JCO; Nov 2013 p 648-655. 4. Greenfield, Raphael L. DDS, MSCD. Non Ex Factors. 98.5% Nonextraction Therapy using Coordinated Arch Development. DaehancNarae Publishing, Inc. Seoul, South Korea; 2010. 5. https://dynaflex.com/laboratory-services/herbst-appliances 6. http://www.thermadent.co.uk/sites/all/themes/ther-madent/images/thermadent-orthodontic-laboratory-prod-ucts/twin-blocks.jpg 7. Mulligan, T.F. Common Sense Mechanics in Everyday Orthodontics II, 2012. 8. Newby, Randy K., DDS. Key Four in Class II Correction: Orthopedic Effect. JAOS Spring 2016, pg 10-20. 9. Nicassio, Ralph, DDS. Differential Diagnosis of all Class II and Class III Cases for the Experienced Practitioner. An AOS Sponsored Education Series. 10.Ortho Organizers. 1822 Aston Avenue. Carlsbad, CA 92008. 1-800-547-2000. www.orthoorganizers.com 11.Witzig, John W., Spahl, Terrance J. The Clinical Manage-ment of Basic Maxillofacial Orthopedic Appliances: Volume I Mechanics. PSG Publishing Company, Inc, Littleton, MA. © 1987. www.orthodontics.com Fall 2016 13
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