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Three-Dimensional Dental Analysis in Subjects with Skeletal Malocclusion: A Retrospective Observational Study
Rosanna Guarnieri1, Francesca Squillace1, Rachele Podda1
1Department of Oral and Maxillofacial Sciences, School of Dentistry, "Sapienza" University of Rome, 00185 Rome, Italy.
Dentistry Journal
|July 25, 2025
Summary
Skeletal class III malocclusions show larger tooth dimensions. This study correlated skeletal class with dental measurements, finding increased tooth surface area and volume in class III patients.
Area of Science:
- Orthodontics
- Dental Morphology
- Craniofacial Analysis
Background:
- Understanding the relationship between skeletal discrepancies and dental dimensions is crucial for orthodontic diagnosis and treatment planning.
- Previous research has explored correlations, but a comprehensive analysis using linear, surface area, and volumetric measurements is needed.
Purpose of the Study:
- To evaluate the correlation between skeletal classes (I, II, III) and dental dimensions.
- To analyze linear, surface area, and volumetric tooth measurements in relation to skeletal malocclusions.
Main Methods:
- A sample of 90 patients (age range 12-44 years) was analyzed.
- Statistical tests including Hoeffding's, Cramér's V, ANOVA, Tukey's post hoc HSD, and logit model were employed.
- Dental dimensions were assessed using linear, surface area, and volumetric measurements.
Main Results:
- A weak association was found between skeletal class and the total Bolton index (Cramér's V).
- Skeletal class III patients exhibited significantly greater total inferior and anterior inferior tooth volumes.
- Increased total upper and anterior superior tooth surface areas were observed in skeletal class III compared to classes I and II.
Conclusions:
- Skeletal class III malocclusions are characterized by significantly increased tooth surface area and volumetric dimensions.
- These findings highlight distinct dental morphology patterns associated with different skeletal classes, aiding in diagnosis and treatment.
