| ORIGINAL ARTICLE |
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| Year : 2005 | Volume
: 23
| Issue : 1 | Page : 27-30 |
Class - III malocclusion: Genetics or environment? A twins study
AK Jena, R Duggal, VP Mathur, H Parkash
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
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0970-4388.16023
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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