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Volumetric pulp changes after orthodontic treatment determined by cone-beam computed tomography
Shivanand Venkatesh1, Shreya Ajmera2, Sanjay V Ganeshkar2
1Department of Orthodontics and DentofacialOrthopedics, MS Ramaiah Dental College and Hospital, MSR Nagar, Bangalore, Karnataka, India.
Journal of Endodontics
|September 17, 2014
Summary
Orthodontic treatment significantly reduced anterior tooth pulp volume in patients. This study used cone-beam computed tomography (CBCT) to analyze three-dimensional pulp cavity changes during treatment.
Area of Science:
- Dentistry
- Orthodontics
- Radiology
Background:
- Orthodontic treatment can influence dental and surrounding tissues.
- Understanding three-dimensional changes in pulp cavities is crucial for assessing treatment effects.
Purpose of the Study:
- To evaluate three-dimensional pulp cavity volume changes during orthodontic treatment.
- To compare pulp volume alterations between treated and untreated teeth.
Main Methods:
- Eighty-seven patients were divided into experimental (orthodontic treatment) and control groups.
- Cone-beam computed tomography (CBCT) scans were taken before and after treatment.
- Pulp volumes of six anterior teeth were segmented and analyzed using statistical tests.
Main Results:
- A statistically significant decrease in pulp volume was observed for all anterior teeth in the experimental group.
- Significant pulp volume reductions were also noted in specific teeth (canine, lateral incisors, central incisor) within the control group.
- The overall decrease in pulp size was statistically significant following orthodontic intervention.
Conclusions:
- Orthodontic treatment leads to a significant reduction in anterior tooth pulp volume.
- CBCT imaging provides valuable data for assessing treatment-induced changes in pulp morphology.
- Further research may explore the long-term implications of these pulp volume changes.

