Case Studies

The Case Study Library

For the first time, many of Dr. Greenfield’s Case Studies are now freely available online for your review and education just by registering for a Free Membership in

Dr. Greenfield’s world renowned textbook “Non Ex Factors” includes more than 58 Case Studies. They illustrate in vivid detail the principles and techniques required to properly diagnose and treat the most challenging nonextraction cases.  Additional cases will be added to the library by Dr. Greenfield over time.  All cases have been time tested 60+ years with a nonextraction approach that is presented in’s website.

Using the Coordinated Arch Development® philosophy and technique, Dr. Greenfield has combined his clinical expertise in nonextraction orthodontics from 30+ years of private practice with his extensive research and exposure to hundreds of Dr. Norman Cetlin’s successfully treated nonextraction cases more than 25 years out of retention.

The Case Library includes 2 Sections of Case Studies:

  1. Textbook Cases
  2. Technique Cases

Also included in the NextOrtho Libraries are:

  • Video Techniques Library
  • Treatment Flowcharts
  • Glossary of Abbreviations

Now Free – Become a Member of today and obtain access to a wealth of knowledge in the practice of Non-Extraction Orthodontics and Coordinated Arch Development. You will gain free and immediate access to the NextOrtho Case Library, the Video Techniques Library, Treatment Flowcharts and so much more when you register for membership!

Become a Member Now