<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>As part of an ongoing study of dentofacial morphology in South Australian twins, several occlusal traits were compared between forty eight monozygous and thirty four dizygous twin pairs, as well as estimating genetic variances for these features. Significant genetic variance was noted for incisal overbite and overjet, sagittal molar relationship, and also rotations and displacements of anterior teeth. However, heritability estimates were low in magnitude (about 30%) <italic>emphasising the importance of environmental influences on occlusal variation.</italic></p>
</abstract>

As part of an ongoing study of dentofacial morphology in South Australian twins, several occlusal traits were compared between forty eight monozygous and thirty four dizygous twin pairs, as well as estimating genetic variances for these features. Significant genetic variance was noted for incisal overbite and overjet, sagittal molar relationship, and also rotations and displacements of anterior teeth. However, heritability estimates were low in magnitude (about 30%) emphasising the importance of environmental influences on occlusal variation.

Genetic and environmental determinants of dental occlusal variation in South Australian twins

Australasian Orthodontic Journal

This work is licensed under the Creative Commons Attribution 4.0 International License.

As part of an ongoing study of dentofacial morphology in South Australian twins, several occlusal traits were compared between forty eight monozygous and...

Genetic and environmental determinants of dental occlusal variation in South Australian twins

Published Online: Jan 18, 2024

Page range: 231 - 235

DOI: https://doi.org/10.2478/aoj-1988-0014

Keywords
Occlusal variation, twins, genetics

© 1988 Grant C. Townsend et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Genetic and environmental determinants of dental occlusal variation in South Australian twins

Published Online: Jan 18, 2024

Page range: 231 - 235

DOI: https://doi.org/10.2478/aoj-1988-0014

KeywordsOcclusal variation, twins, genetics

© 1988 Grant C. Townsend et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
Occlusal variation, twins, genetics