Three-dimensional longitudinal evaluation of palatal vault changes in growing subjects

To evaluate palatal vault change in children and to assess the reliability of two palatal parameters in assessing growth modifications. A group of 26 healthy white children aged 5.3 ± 0.3 years (15 boys, 11 girls) were randomly selected. Impressions of the upper dental arches were obtained at baseli...

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Veröffentlicht in:The Angle orthodontist 2012-07, Vol.82 (4), p.632-636
Hauptverfasser: Primožič, Jasmina, Perinetti, Giuseppe, Richmond, Stephen, Ovsenik, Maja
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container_issue 4
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container_title The Angle orthodontist
container_volume 82
creator Primožič, Jasmina
Perinetti, Giuseppe
Richmond, Stephen
Ovsenik, Maja
description To evaluate palatal vault change in children and to assess the reliability of two palatal parameters in assessing growth modifications. A group of 26 healthy white children aged 5.3 ± 0.3 years (15 boys, 11 girls) were randomly selected. Impressions of the upper dental arches were obtained at baseline and at 12, 18, and 30 months follow-up. Three-dimensional digital images of study casts were obtained using a laser scanning device. Palatal surface area and palatal volume were measured on the digital study casts at each time point. Effect size (ES) coefficients were calculated for both parameters as indices of diagnostic reliability in individual subjects when at least equal to 1.0. Significant increases in palatal surface area and volume were seen over the observation period (P < .001). ES coefficients for palatal surface area were greater than those for palatal volume. However, even for the former parameter, only the value taken at 30 months was above the threshold. Growth of the palatal vault was significant during the observation period, which coincides with primary and mixed dentition stages. Palatal surface area appears to be more reliable than palatal volume in assessment of growth modifications in individual subjects.
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subjects Child
Child, Preschool
Dental Arch - anatomy & histology
Dental Arch - growth & development
Dentistry
Female
Humans
Imaging, Three-Dimensional - methods
Longitudinal Studies
Male
Maxilla - anatomy & histology
Maxilla - growth & development
Palate, Hard - anatomy & histology
Palate, Hard - growth & development
title Three-dimensional longitudinal evaluation of palatal vault changes in growing subjects
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