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Title: A genetic study of anteroposterior and vertical facial proportions using model-fitting
Authors: Savoye, I ×
Loos, Ruth
Carels, Carine
Derom, Cathérine
Vlietinck, Robert #
Issue Date: Nov-1998
Series Title: The Angle orthodontist. vol:68 issue:5 pages:467-70
Abstract: Genetic model-fitting was used to determine the heritability of anteroposterior and vertical facial proportions in twins. Lateral headplates of 33 monozygotic and 46 dizygotic twins, none of whom had undergone orthodontic treatment, were used. Five proportions, based on four vertical and five horizontal measurements, were assessed: lower facial height, anterior- to posterior-facial height, total facial height to face depth, sella-A-point to sella-B-point, and sella-upper incisal edge to sella-lower incisal edge. Reproducibility was high for all variables. Model-fitting indicated that all the facial proportions were controlled by additive genes and the specific environment. The genetic component was 71% for upper-to lower-facial height, 66% for anterior- to posterior-facial height, 62% for total facial height, and 66% for sella-A-point to sella-B-point and sella-upper incisal edge to sella-lower incisal edge.
ISSN: 0003-3219
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Orthodontics
Clinical Genetics Section (-)
Exercise Physiology Research Group
× corresponding author
# (joint) last author

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