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A comparative study between three ethnic groups to derive some standards for maxillary arch dimensions.

R Diwan1, J M Elahi

  • 1Department of Removable Prosthodontic and Dental Sciences, King Saud University, College of Dentistry, Riyadh, Saudi Arabia.

Journal of Oral Rehabilitation
|January 1, 1990
PubMed
Summary

Maxillary arch dimensions in adult Filipinos were measured and compared to Egyptians and Saudi Arabians. Filipinos exhibited wider intercanine width than Saudi Arabians, while Egyptians had wider intermolar width.

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Area of Science:

  • Anthropology
  • Orthodontics
  • Dental Morphology

Background:

  • Maxillary arch dimensions are crucial for dental alignment and facial aesthetics.
  • Understanding population-specific variations in maxillary arch dimensions is important for orthodontic diagnosis and treatment planning.
  • Previous studies have documented maxillary arch dimensions in various ethnic groups, but data for adult Filipinos is limited.

Purpose of the Study:

  • To measure key maxillary arch dimensions in a sample of adult Filipinos.
  • To compare these measurements with published data from adult Egyptians and Saudi Arabians.
  • To identify potential ethnic variations in maxillary arch morphology.

Main Methods:

  • A sample of 91 adult Filipinos (45 males, 46 females) was selected.

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  • Maxillary arch measurements included intercanine width (C-C), intermolar width (M-M), molar incisor (M-I), and molar canine (M-C) length.
  • Measurements were statistically compared to existing data from Egyptian and Saudi Arabian populations.

    • Main Results:

    • Filipinos exhibited wider intercanine width (C-C) compared to Saudi Arabians.
    • Egyptians showed wider intermolar width (M-M) measurements than Filipinos.
    • No significant differences were noted for molar incisor (M-I) and molar canine (M-C) lengths between the groups.

    Conclusions:

    • Significant differences exist in maxillary arch dimensions among Filipino, Egyptian, and Saudi Arabian adult populations.
    • These findings highlight the importance of considering ethnic variations in orthodontic treatment.
    • Further research is recommended to explore the genetic and environmental factors influencing these dimensional differences.