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Tooth sizes in nonsyndromic hypodontia patients.
Ahmet Yalcin Gungor1, Hakan Turkkahraman
1Department of Orthodontics, Faculty of Dentistry, University of Akdeniz, Antalya, Turkey. aygungor@gmail.com
The Angle Orthodontist
|May 15, 2012
Summary
Patients with hypodontia (congenitally missing teeth) have smaller teeth than healthy individuals. This size reduction is more pronounced in severe hypodontia cases, affecting specific teeth like the maxillary lateral incisor.
Area of Science:
- Dentistry
- Genetics
- Anthropology
Background:
- Hypodontia, a condition characterized by congenitally missing teeth, affects dental development and aesthetics.
- Understanding tooth size variations in hypodontia is crucial for diagnosis and treatment planning.
Purpose of the Study:
- To compare tooth dimensions in patients with mild and severe hypodontia to healthy controls.
- To identify specific teeth most affected by size reduction in hypodontia.
Main Methods:
- Dental casts from 154 hypodontia patients (mild and severe) and 50 controls were analyzed.
- Mesiodistal and labiolingual tooth dimensions were measured using digital calipers.
- Statistical analyses included t-tests, ANOVA, and Tukey tests to compare groups.
Main Results:
- Hypodontia patients exhibited significantly smaller tooth dimensions (mesiodistal and labiolingual) compared to controls.
- Severe hypodontia cases showed greater tooth size reduction than mild cases.
- Gender influenced dimensions of the mandibular first premolar and lateral incisor in hypodontia patients.
Conclusions:
- Tooth size reduction is a characteristic of hypodontia, more severe in cases with more missing teeth.
- Maxillary lateral incisor (mesiodistal) and mandibular canine (labiolingual) showed the most significant dimensional differences.
- Findings aid in understanding the morphological impact of hypodontia.
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