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Journal of Indian Society of Pedodontics and Preventive Dentistry Official publication of Indian Society of Pedodontics and Preventive Dentistry
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 ORIGINAL ARTICLE
Year : 2005  |  Volume : 23  |  Issue : 1  |  Page : 27-30

Class - III malocclusion: Genetics or environment? A twins study


Department of Dental Surgery All India Institute of Medical Sciences, New Delhi - 110029, India

Correspondence Address:
R Duggal
Department of Dental Surgery All India Institute of Medical Sciences, New Delhi - 110029
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-4388.16023

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Etiology of class-III malocclusion is generally believed to be genetic. A wide range of environmental factors have been suggested as contributing factors for the development of class-III malocclusion. Twin study is one of the most effective methods available for investigating genetically determined variables of malocclusion. Discordancy for class-III malocclusion is a frequent finding in dizygotic twins. However, class-III malocclusion discordancy in monozygotic twins is a rare finding. The purpose of this study of monozygotic twins is to assess the genetic and environmental components of variation within the cranio-dento-facial complex.






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  2005 - Journal of Indian Society of Pedodontics and Preventive Dentistry | Published by Wolters Kluwer - Medknow 
Online since 1st May '05