Journal Article

Cephalometric standards for Slovenians in the mixed dentition period

Martina Drevenšek, Franc Farčnik and Gaj Vidmar

in The European Journal of Orthodontics

Published on behalf of European Orthodontics Society

Volume 28, issue 1, pages 51-57
Published in print February 2006 | ISSN: 0141-5387
Published online October 2005 | e-ISSN: 1460-2210 | DOI: http://dx.doi.org/10.1093/ejo/cji081
Cephalometric standards for Slovenians in the mixed dentition period

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The aim of this study was to develop standard cephalometric values for Slovenians in the period of the mixed dentition. Eighty-eight children were included in the study (46 girls and 42 boys, mean age 9.31 ± 1.52 years). The selection criteria were: in the mixed dentition, a score of the modified Eismann method for an objective assessment of malocclusion of less than 15 points, the absence of aplasia and supernumerary teeth, no congential anomalies and no previous orthodontic treatment. Twenty-five cephalometric measurements were performed twice to analyse the size and shape of the craniofacial complex. The reliability of the measurements was assessed by correlation coefficients, regression, and analysis of inter-subject differences; satisfactory results were obtained. The differences between boys and girls and between those in the early and late mixed dentition period were tested with a two-way analysis of variance.

The most pronounced changes between the early and late mixed dentition were observed in the vertical skeletal relationships: a decrease in mandibular inclination, interbasal angle and gonial angle, and an increase in anterior and posterior face height. Sagittal skeletal relationships remained constant from the early to the late mixed dentition. No significant differences were found between the observed developmental stages. Significant differences between genders were found only for anterior and posterior face height, with boys showing larger values (P ≤ 0.001).

As there were no significant differences between the early and late mixed dentition, the mean measurement values of the total sample can be used as cephalometric standards for Slovenians in the mixed dentition period.

Journal Article.  3883 words.  Illustrated.

Subjects: Restorative Dentistry and Orthodontics

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