Volume 14, Issue 1 (Scientific Journal of Hamadan University of Medical Sciences-Spring 2007)                   Avicenna J Clin Med 2007, 14(1): 63-66 | Back to browse issues page

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Abtahi S M. Comparison of Occlusal Indices and Dental Arch Dimensions in Monozygotic Twins. Avicenna J Clin Med 2007; 14 (1) :63-66
URL: http://sjh.umsha.ac.ir/article-1-450-en.html
Abstract:   (3480 Views)

Introduction & Objective: The study of monozygotic twins is a valuable method for distinguishing the genetic and environmental etiologic factors. The purpose of this study was comparison between occlusal indices and dental arch dimensions in monozygotic twins.

Materials & Methods: This descriptive study was preformed on 40 monozygotic twins that their permanent teeth were fully erupted. The variables that were evaluated in this study included: overjet, overbite, molar relationship, canine relationship, anterior circumference of dental arch , total circumference of dental arch , inter canine width , inter molar width. The data were analyzed using SPSS software (the pair t-test and Pearson correlation coefficient).  

Results: According to pair t-test all the variables had P value more than 0.05.The amount of correlation coefficient of overbite (r=0.907) was greater than the other variables and overjet (r=0.408) was minimum.

Conclusion: The occlusal indices and dental arch dimensions in monozygotic twins were compared and mostly influenced by genetics factors. Overbite had the strongest correlation among the occlusal indices in monozygotic twins.

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Type of Study: Original | Subject: Other Clinical Specialties

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