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Updated: Apr 12, 2026
Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model
Published on: November 4, 2025
Evaluation of craniofacial proportions: A pilot study
Saied Sadeghian1, Ali Mohammad Kalantar Motamedi2, Alireza Haerian3
1Torabinejad Dental Research Center and Department of Orthodontics, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran.
This study established new cephalometric formulas for Iranian children and adolescents aged 6-17, enabling better prediction of jaw and facial relationships using McNamara and Schwartz analyses.
Area of Science:
- Dentistry
- Orthodontics
- Anthropology
Background:
- Cephalometric norms vary by population, necessitating specific analyses.
- Proportional analyses offer advantages in cephalometric evaluations.
- Previous studies lacked specific cephalometric data for the Iranian population.
Purpose of the Study:
- To evaluate the variables of McNamara and Schwartz analyses in Iranian students.
- To establish cephalometric norms and formulas for the Iranian population.
- To determine the relationship between jaw, cranial, and facial dimensions.
Main Methods:
- Descriptive-analytical study utilizing cephalometric radiographs.
- Analysis of McNamara and Schwartz cephalometric variables.
- Statistical analysis using t-test, linear regression, and Spearman correlation.
Main Results:
- Significant gender-based differences in cephalometric variables (except Co-Gn).
- Cephalometric variables increased significantly with age in Iranian students.
- Formulas were derived to predict specific cephalometric measurements.
Conclusions:
- The derived formulas can predict jaw and facial dimensions in the Iranian population.
- Cephalometric analysis is crucial for understanding craniofacial relationships.
- This study provides valuable data for orthodontic diagnosis in Iran.
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