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The European Journal of Orthodontics Advance Access published online on July 5, 2008
The European Journal of Orthodontics, doi:10.1093/ejo/cjn030
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© The Author 2008. Published by Oxford University Press on behalf of the European Orthodontic Society. All rights reserved. For permissions, please email: journals.permissions@oxfordjournals.org.

Tooth size discrepancies among Jordanian schoolchildren

Iyad K. Al-Omari, Zaid B. Al-Bitar and Ahmed M. Hamdan

Faculty of Dentistry, University of Jordan, Amman, Jordan

Address for correspondenceIyad K. Al-Omari, Faculty of Dentistry, University of Jordan, P.O. Box 13850, Amman 11942, Jordan, E-mail:iyadom{at}ju.edu.jo


  Abstract

The aims of this study were to determine the tooth size discrepancies (TSD) in a representative sample of Jordanian schoolchildren and to compare TSD between genders. Dental casts of 367 (174 males and 193 females; mean age 15.5 years) Jordanian schoolchildren were selected. Anterior and overall Bolton ratios were determined using a digital calliper. Differences between genders were analyzed using a t-test.

The results showed that there were no significant differences in the TSD between males and females. The percentages of subjects with more than 2 standard deviations for the anterior and overall ratios were 23.7 and 9.5, respectively.


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