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Published in: Clinical Oral Investigations 3/2019

Open Access 01-03-2019 | Original Article

Influence of involuntary facial expressions on reproducibility of 3D stereophotogrammetry in children with and without complete unilateral cleft lip and palate from 3 to 18 months of age

Authors: Sander Brons, Amir Darroudi, Rania Nada, Ewald M. Bronkhorst, Rinaldo Vreeken, Stefaan J. Berge, Thomas Maal, Anne Marie Kuijpers-Jagtman

Published in: Clinical Oral Investigations | Issue 3/2019

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Abstract

Objectives

To assess the influence of involuntary facial expressions on 3D facial stereophotogrammetry reproducibility in children with and without unilateral cleft lip, alveolus and palate (UCLP) aged 3–18 months.

Materials and methods

Three to eight 3D facial images per time point were acquired within 10 min of 31 children with UCLP and 50 controls at 3, 12 and 18 months of age. 3D mapping of two 3D facial images per subject per age was performed. Distance kits of the full face and nasolabial area were calculated.

Results

In the total subject pool, mean variation between two 3D facial images ranged from 0.38–0.88 mm. There were no significant differences within groups for the various ages. Variation between controls and UCLP subjects did not differ significantly. Variation was higher in the nasolabial area than in the full face.

Conclusions

The influence of involuntary facial expressions on the estimation of facial growth should not be underestimated, especially in the nasolabial region of UCLP subjects aged 3 months. To improve 3D facial imaging reliability, image capturing should be performed by a trained photographer following a meticulous image capturing protocol, including thorough review after capture.

Clinical relevance

Facial 3D stereophotogrammetry is a useful tool for monitoring facial growth longitudinally in young children with facial deformities, as no radiation is involved and image capture is easy and fast. It can be performed reliably in children with and without UCLP aged 3–18 months by an experienced photographer utilising a meticulous image capturing protocol.
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Metadata
Title
Influence of involuntary facial expressions on reproducibility of 3D stereophotogrammetry in children with and without complete unilateral cleft lip and palate from 3 to 18 months of age
Authors
Sander Brons
Amir Darroudi
Rania Nada
Ewald M. Bronkhorst
Rinaldo Vreeken
Stefaan J. Berge
Thomas Maal
Anne Marie Kuijpers-Jagtman
Publication date
01-03-2019
Publisher
Springer Berlin Heidelberg
Published in
Clinical Oral Investigations / Issue 3/2019
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-018-2520-0

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