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Malocclusion in patients presenting for orthodontic treatment
A M Harris1, P E Rossouw, V P Joseph
1Department of Orthodontics, Faculty of Dentistry, University of Stellenbosch, Tygerberg.
The Journal of the Dental Association of South Africa = Die Tydskrif Van Die Tandheelkundige Vereniging Van Suid-Afrika
|March 1, 1994
Summary
This study assessed malocclusion prevalence in Western Cape Caucasians using Angle and Steiner classifications. Both methods found high Angle Class I and II prevalence, but neither alone is sufficient for diagnosis.
Area of Science:
- Orthodontics
- Dental Public Health
Background:
- Malocclusion prevalence impacts orthodontic treatment needs.
- Standardized classifications are crucial for epidemiological studies.
Purpose of the Study:
- To determine malocclusion prevalence in Caucasian patients in the Western Cape.
- To assess the concordance between Angle and Steiner classifications.
- To evaluate the diagnostic sufficiency of each classification system.
Main Methods:
- Cross-sectional study design.
- Application of Angle and Steiner malocclusion classification systems.
- Statistical analysis of prevalence data and inter-system concordance.
Main Results:
- High prevalence of Angle Class I and II malocclusions observed.
- No statistically significant differences found between Angle and Steiner classification data.
- Identified discrepancies between the two classification systems.
Conclusions:
- Both Angle and Steiner classifications indicate a high prevalence of specific malocclusions in the studied population.
- While not statistically different, discrepancies exist between the systems.
- Neither classification system alone provides adequate information for comprehensive orthodontic diagnosis and treatment planning.