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Learn index of orthodontic treatment need in an easy way.. index of orthodontic treatment need has 5 categories – grade(1) is none, grade 2 is little need for orthodontic treatment, grade 3 is moderate, grade 4 is great, grade 5 is very great need for orthodontic treatment. orthodontics lecture made easy for you. orthodontics lecture notes on index of orthodontic treatment need.dental lectures videos on you tube. join dentistry online with us on dental pathshala this is a frequently asked question in neet mds, ore exam meet me at https://extooth.com/
