Comparison of Extraction and Non-extraction Orthodontic Treatment using the Objective Grading System
Statement of Problem: The extraction versus non-extraction debate is almost as old as the advent of orthodontic practice and up to now, this dilemma remains. Recently, the American Board of Orthodontics (ABO) has developed a method by the name of Objective Grading System (OGS) in order to evaluate t...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Tehran University of Medical Sciences
2005-09-01
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Series: | Journal of Dentistry of Tehran University of Medical Sciences |
Subjects: | |
Online Access: | http://journals.tums.ac.ir/upload_files/pdf/2335.pdf |