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Peridental bone changes after orthodontic tooth movement with fixed appliances: A cone-beam computed tomographic
The Angle Orthodontist
|May 30, 2017
Summary
Orthodontic treatment with braces can reduce peridental bone height and thickness, especially in patients over 30. Regular evaluation of bone health is recommended for older orthodontic patients to monitor potential bone loss.
Area of Science:
- Orthodontics
- Periodontology
- Dental Imaging
Background:
- Orthodontic treatment using multibracket appliances can influence the periodontium.
- Understanding changes in peridental bone height and thickness is crucial for patient outcomes.
Purpose of the Study:
- To quantify treatment-related changes in peridental bone height and thickness.
- To assess the impact of age on these changes during orthodontic treatment.
Main Methods:
- Retrospective evaluation of cone-beam computed tomographs (CBCTs) from 43 orthodontic patients.
- Analysis of 954 teeth to determine dehiscence depth, bone width changes, and tooth inclination.
Main Results:
- Significant decrease in peridental bone height (dehiscence) and thickness observed during treatment.
- Patients over 30 years old showed significantly greater vertical bone loss.
- Maxillary canines and all mandibular teeth had a higher risk of vestibular bone loss.
- Tooth inclination changes correlated with horizontal bone loss.
Conclusions:
- Routine evaluation of peridental bone is recommended for orthodontic patients over 30 due to increased risk of vertical bone loss.
- Ninety percent of patients under 30 exhibited reduced bone height in at least one tooth.

