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Bone tissue amount related to upper incisors inclination
Ana Carla Raphaelli Nahás-Scocate1, Aluana de Siqueira Brandão, Mayara Paim Patel
1a Associate Professor of Orthodontics, School of Dentistry, University of São Paulo City, São Paulo, Brazil.
The Angle Orthodontist
|July 26, 2013
Summary
The apical region of upper central incisors has more bone tissue than middle and cervical areas. Increased inclination of these incisors correlates with more apical bone, but the relationship is weak.
Area of Science:
- Dentistry
- Orthodontics
- Oral and Maxillofacial Radiology
Background:
- Understanding the supporting bone structure of upper central incisors is crucial for orthodontic treatment planning.
- Cone-beam computed tomography (CBCT) provides detailed 3D imaging for assessing bone dimensions.
Purpose of the Study:
- To quantify buccal and lingual bone tissue in upper central incisors.
- To investigate the relationship between incisor inclination and supporting bone volume.
Main Methods:
- CBCT scans of 30 healthy adults were analyzed for bone thickness at cervical, middle, and apical regions.
- Statistical tests including Pearson correlation and linear regression were employed.
Main Results:
- Apical bone thickness (ABT) showed a statistically significant increase with greater incisor inclination (1/PP), though correlation was weak.
- Mean apical bone was significantly greater than middle and cervical regions on both buccal and lingual surfaces.
Conclusions:
- Bone tissue volume is greatest in the apical region, followed by the middle, then cervical regions.
- While incisor inclination influences apical bone, the correlation is not strong, suggesting other factors are involved.
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