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Upper canines and incisors: how a better knowledge of their morphology can help us to optimise their function

Published online by Cambridge University Press:  21 September 2010

Amine El Zoghby ,
Jean-Philippe Ré ,
Christophe Perez ,
Anne Giraudeau  and
Jean-Daniel Orthlieb
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Abstract

Biometric study of contemporary human maxillary incisors and canine coronal morphology

The orthodontic alignment or prosthetic rehabilitation of the upper anterior sector is based on available biometric data.

The aim of this study is to measure the angle formed between the functional lingual surface of the canine and central incisor and the axial-orbital plane.

Materials and methods

This retrospective study is based on an analysis of documents of young dental students.

The measurements were made on 49 silicone models of healthy, natural, functional teeth, in class I occlusion for the maxillary anterior group.

Results

The values of slope angulations of the lingual surfaces relative to the axial-orbital plane clearly decrease by 10° from the central incisor (57°) to the canine (47°).

If there is stability in buccal morphology, there is variability in anterior lingual morphology, particularly of the canine.

These variations in an essential zone on the functional level are marked enough to warrant being taken into account in clinical practice.

Keywords

BiometricIncisal guidanceCanine guidanceCoronal morphologyIncisorCanine
Type
Research Article
Information
Journal of Dentofacial Anomalies and Orthodontics , Volume 13 , Issue 1: The canine , March 2010 , pp. 40 - 54
Copyright
© RODF / EDP Sciences, 2010

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