An Overview of Orthodontic Indices

Abstract

Analysis of prevalence of various types of malocclusion is an important aspect of today's evidence-based dentistry. Orthodontic indices are a tool in the hands of an epidemiologist to analyze the prevalence and severity of various kinds of malocclusion. The aim of this article is to look into the various qualitative and quantitative methods of grading and assessing malocclusion and their evolution over the years along with their advantages and limitations have also been analyzed. The article also compares the commonly used indices—DAI and IOTN.