Vectra H2® stereophotogrammetry system evaluation for 3D facial analysis in children
Yana Cosendey Toledo Mello Peixoto1, Eloá Cristina Passucci Ambrosio2, Paula Karine Jorge2
1Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru School of Dentistry, University of São Paulo, Bauru, Brazil.
Quantitative Imaging in Medicine and Surgery
|February 11, 2026
Summary
The Vectra H2® stereophotogrammetry system is a validated tool for pediatric facial anthropometry. This reliable method accurately measures facial dimensions in children, aiding growth assessment and treatment planning.
Area of Science:
- Medical Imaging
- Anthropometry
- Pediatric Dentistry
Background:
- Facial anthropometry is crucial for monitoring child development and identifying asymmetries.
- It aids in diagnosis, treatment planning, and outcome evaluation.
- This study evaluates the Vectra H2® stereophotogrammetry system for pediatric facial analysis.
Purpose of the Study:
- To assess the Vectra H2® system's validity and reliability for pediatric facial anthropometry.
- To compare direct facial measurements with those obtained from 3D stereophotogrammetry.
Main Methods:
- Thirty children (5-12 years) had 19 facial landmarks marked.
- 14 linear measurements were taken directly using a caliper and via 3D stereophotogrammetry.
- Intraclass correlation coefficient (ICC) and Pearson's/Spearman's correlation were used.
Main Results:
- All 14 measurements showed statistically significant differences (P<0.05).
- Strong to very strong correlations (r=0.5790-0.9485) were found for most measurements.
- The Sn-Ls and Ene-Che measurements had the lowest Mean Absolute Difference (MAD) of 0.53.
Conclusions:
- The Vectra H2® system is a validated and reliable method for pediatric facial anthropometry.
- This technology supports accurate assessment of facial growth and morphology in children.
- It offers a precise tool for clinical applications in pediatric care.
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