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Bolton tooth size ratio among qatari population sample: An odontometric study.
Hayder A Hashim1, Najah Al-Sayed1, Hashim Al-Hussain1
1Hamad Medical Corporation, Rumaila Hospital, Dental Centre, Orthodontic Division, Doha, Qatar.
Journal of Orthodontic Science
|February 16, 2017
Summary
The Bolton ratio in Qatari individuals was determined, showing no significant gender differences. While the overall ratio matched Bolton
Area of Science:
- Orthodontics
- Dental Anthropology
Background:
- The Bolton ratio is crucial for assessing tooth size discrepancies in orthodontic treatment planning.
- Establishing population-specific norms is essential for accurate diagnosis and treatment outcomes.
Purpose of the Study:
- To determine the anterior and overall Bolton ratios in a Qatari population.
- To investigate gender-based differences in these ratios.
- To compare Qatari Bolton ratios with established international standards.
Main Methods:
- A sample of 100 Qatari orthodontic patients (50 males, 50 females) aged 15-20 years was analyzed.
- Mesiodistal tooth widths (excluding second/third molars) were measured using digital calipers.
- Student's t-test was employed for statistical comparisons.
Main Results:
- The mean anterior Bolton ratio was 78.6 ± 3.4, and the overall ratio was 91.8 ± 3.1.
- Tooth size ratios were slightly higher in males but not statistically significant.
- No significant difference was found in the overall ratio compared to Bolton's data, but the anterior ratio differed significantly (P=0.007).
Conclusions:
- The study provides baseline Bolton ratio data for the Qatari population.
- Significant differences in the anterior Bolton ratio were observed compared to Bolton's original findings.
- Further research with larger, stratified samples is recommended for definitive conclusions.
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