A prospective optical surface scanning and cephalometric assessment of the effect of functional appliances on the soft tissues

The aim of this study was to evaluate the effect of different functional appliances on the soft tissues as assessed by cephalometry and optical surface scanning. Forty‐two patients were randomly allocated to Bass, Twin Block (TB), and Twin Block + Headgear (TB + Hg) groups. Lateral cephalograms and...

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Veröffentlicht in:European journal of orthodontics 2001-04, Vol.23 (2), p.115-126
Hauptverfasser: McDonagh, S., Moss, J. P., Goodwin, P., Lee, R. T.
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container_end_page 126
container_issue 2
container_start_page 115
container_title European journal of orthodontics
container_volume 23
creator McDonagh, S.
Moss, J. P.
Goodwin, P.
Lee, R. T.
description The aim of this study was to evaluate the effect of different functional appliances on the soft tissues as assessed by cephalometry and optical surface scanning. Forty‐two patients were randomly allocated to Bass, Twin Block (TB), and Twin Block + Headgear (TB + Hg) groups. Lateral cephalograms and optical surface scans were recorded before and after the 10‐month study period. ANOVA was used to test the cephalometric variables for differences at the 5 per cent level. The optical surface scanning and cephalometric results were consistent in the sagittal dimension. In the vertical dimension, however, the optical surface scans consistently recorded a greater increase compared with cephalometric values. No differences were detected with regard to cephalometric values at the 5 per cent level. However, the Bass appliance produced greater forward positioning of soft tissue pogonion as assessed by optical surface scanning.
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source MEDLINE; Oxford University Press Journals All Titles (1996-Current); EZB-FREE-00999 freely available EZB journals
subjects Analysis of Variance
Cephalometry
Child
Dentistry
Extraoral Traction Appliances
Face - anatomy & histology
Female
Humans
Imaging, Three-Dimensional - methods
Male
Malocclusion, Angle Class II - therapy
Orthodontic Appliance Design
Orthodontic Appliances, Functional
Orthodontics, Corrective - instrumentation
Pattern Recognition, Automated
Prospective Studies
Statistics, Nonparametric
Treatment Outcome
Vertical Dimension
title A prospective optical surface scanning and cephalometric assessment of the effect of functional appliances on the soft tissues
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