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Mesh diagram analysis: developing a norm for Puerto Rican Americans
A M Evanko1, K Freeman, G J Cisneros
1Division of Orthodontics, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10467, USA.
The Angle Orthodontist
|January 1, 1997
Summary
This study developed cephalometric norms for Puerto Rican Americans using mesh analysis, revealing ethnic differences in craniofacial structures. Findings highlight variations in dentoalveolar regions compared to other ethnic groups.
Area of Science:
- Orthodontics
- Craniofacial analysis
- Anthropometry
Background:
- Cephalometric radiography is crucial in orthodontics for diagnosing craniofacial disharmonies.
- Mesh analysis provides a graphical assessment of these disharmonies.
- Existing norms are based on White and Black American populations, necessitating ethnic-specific data.
Purpose of the Study:
- To establish standard mesh diagrams for a Puerto Rican American population.
- To compare these norms with existing data from White American samples.
- To derive population-specific cephalometric measurements for various analyses and assess aesthetic preferences.
Main Methods:
- Developed mesh diagrams from a sample of 50 Puerto Rican Americans with Class I occlusion.
- Compared derived norms with established data from White American samples.
- Collected linear and angular measurements for Legan, Burstone, Ricketts, DiPaolo, and Steiner analyses.
Main Results:
- Significant ethnic differences were observed in the dentoalveolar region.
- Similarities were noted in upper face height and anterior cranial base length between groups.
- A panel's aesthetic selections showed no significant agreement within sexes, occupations, or ethnic groups.
Conclusions:
- Puerto Rican Americans exhibit distinct craniofacial characteristics, particularly in the dentoalveolar region, compared to White Americans.
- Cephalometric norms should be population-specific for accurate orthodontic diagnosis.
- Aesthetic preferences are complex and not reliably predicted by demographic factors in this study.