Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/79988
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Type: Journal article
Title: Dento-facial relationships in individuals with normal occlusion
Author: Al-Khatib, A.
Rajion, Z.
Masudi, S.
Hassan, R.
Townsend, G.
Citation: HOMO: journal of comparative human biology, 2013; 64(4):296-311
Publisher: Urban & Fischer Verlag
Issue Date: 2013
ISSN: 0018-442X
1618-1301
Statement of
Responsibility: 
Ali R. Al-Khatib, Zainul A. Rajion, Sam’an M. Masudi, Rozita Hassan, Grant C. Townsend
Abstract: The aim of this study was to evaluate the relationships of selected facial measurements with mesio-distal crown widths and dental arch dimensions in individuals with normal occlusions. A cross-sectional study was conducted on 276 subjects with Angle's Class I normal occlusions. Three-dimensional images of the face and dental casts were captured and analyzed using stereophotogrammetric systems. Significant correlations were found between the sagittal facial variables and both upper and lower dental arch dimensions and to lesser degree with the horizontal and vertical variables. The values of correlation coefficients calculated between facial and dental crown measurements ranged from .01 to .50 for upper teeth and .01 to .49 for lower teeth. The values of correlation coefficients between facial and upper dental arch dimensions ranged from .01 to .55 and those between facial and lower dental arch dimensions ranged from .01 to .60. A principal components analysis showed that the sagittal dimensions, face height, nose, labial fissure, binocular widths were positively associated with dental arch dimensions and mesio-distal crown diameters in males. On the other hand, only the sagittal variables were associated with dental dimensions in females. The results of this study confirm that positive associations exist between facial and dental arch dimensions. These relationships should be taken into consideration when attempts are made to modify dental arch size as part of orthodontic treatment. Moreover, these relationships are also relevant to prosthodontists involved with selecting tooth sizes that display optimal functional balance with the craniofacial structures.
Keywords: Face
Dental Arch
Tooth
Humans
Imaging, Three-Dimensional
Cross-Sectional Studies
Dental Occlusion
Adolescent
Adult
Malaysia
Female
Male
Young Adult
Rights: Copyright © 2013 Elsevier GmbH. All rights reserved.
DOI: 10.1016/j.jchb.2013.04.002
Published version: http://dx.doi.org/10.1016/j.jchb.2013.04.002
Appears in Collections:Aurora harvest 4
Dentistry publications

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