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Dentoalveolar Heights in Vertical and Sagittal Facial Patterns
Zafar Ul Islam1, Attiya Jawaid Shaikh2, Mubassar Fida2
1Department of Orthodontics, Peshawar Dental College, Warsak Road, Peshawar.
Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|September 28, 2016
Summary
Upper anterior dentoalveolar heights are significantly greater in hyperdivergent facial patterns compared to normodivergent and hypodivergent types. Sagittal facial patterns did not show significant differences in dentoalveolar heights.
Area of Science:
- Orthodontics and Dental Anthropology
- Cephalometric Analysis
- Facial Morphology
Background:
- Facial patterns significantly influence dentoalveolar heights.
- Understanding these relationships is crucial for orthodontic diagnosis and treatment planning.
- Previous studies have explored various cephalometric parameters, but specific comparisons of dentoalveolar heights across distinct vertical and sagittal facial types require further investigation.
Purpose of the Study:
- To determine and compare the mean dentoalveolar heights in millimeters across different vertical and sagittal facial patterns.
- To identify specific differences in upper anterior dentoalveolar height (UADH) among hyperdivergent, normodivergent, and hypodivergent facial types.
- To assess whether sagittal facial patterns exhibit significant variations in dentoalveolar heights.
Main Methods:
- A cross-sectional study was conducted using pretreatment cephalographs from orthodontic records of subjects aged 15-20 years.
- Manual tracing of cephalographs was performed to measure various cephalometric parameters, including dentoalveolar heights.
- Analysis of Variance (ANOVA) and the Post Hoc Bonferroni test were employed to compare mean dentoalveolar heights among vertical and sagittal facial pattern groups, with a statistical significance level set at p ≤ 0.05.
Main Results:
- A statistically significant difference was observed in the upper anterior dentoalveolar height (UADH) among the vertical facial pattern groups (p=0.008).
- Specifically, UADH was significantly greater in the hyperdivergent group compared to both normodivergent (p=0.04) and hypodivergent (p=0.01) groups.
- No statistically significant differences in dentoalveolar heights were found among the different sagittal facial pattern groups.
Conclusions:
- The upper anterior dentoalveolar height is significantly greater in individuals with hyperdivergent facial patterns.
- These findings highlight the influence of vertical facial growth patterns on anterior dentoalveolar dimensions.
- Sagittal facial patterns do not appear to significantly affect dentoalveolar heights in the studied population.
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