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Introduction: The position of lower incisor has been of considerable concern when planning an orthodontic treatment, having been recognized as one of diagnostic keys, Very important in the development of malocclusion and
facial pattern.
Objectives: In this study we claim to determine the importance of the position and inclination of lower incisor in
the different malocclusions and facial patterns, and to base which of the cephalometric measurement parameters
are the mostreliable.
Material and Methods: Ninety lateral radiographies were taken, and they were classified by skeletal malocclusion
and facial pattern.These teleradiographies have been performed cephalometric analysis, which includelower incisor position belong the following analysis: Ricketts, Riolo, Tweed, McHorris, Jarabak-MSE and Holdaway.
Study
Design: Cross-sectional study where we perform statistical analysis Anova test, Pearson correlations and
Bonferroni analysis.
Results: The analyzed measurements present a statistically significant differentiation in lower incisor inclination
respect to the anterior cranial base, McHorris angle, angulation of lower incisor respect to occlusal plane and
mandibular plane.
Conclusions: There are statistically significant differentiation in lower incisor position and inclination respect the
malocclusion and individual facial pattern.
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