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Three-Dimensional Evaluation on Cortical Bone During Orthodontic Surgical Treatment
Salvatore Crimi1, Luca Defila2, Martina Nanni2
1Department of General Surgery, Section of Maxillo Facial Surgery, Policlinico Vittorio Emanuele, University of Catania, Catania.
The Journal of Craniofacial Surgery
|June 6, 2020
Summary
Severe malocclusions in adults often require combined orthodontic-surgical treatment. This study found that dental movements during orthodontic surgery do not directly correlate with predictable changes in buccal cortical bone, indicating no simple proportionality.
Area of Science:
- Dentistry
- Orthodontics
- Oral Surgery
Background:
- Severe malocclusions, particularly skeletal types, necessitate combined orthodontic and surgical interventions for effective correction.
- Advanced planning software aids in visualizing and simulating treatment outcomes for optimal therapeutic strategies.
Purpose of the Study:
- To analyze buccal cortical bone changes in adult patients undergoing combined orthodontic-surgical treatment.
- To evaluate the correlation between orthodontic dental movements and alterations in the adjacent buccal cortical bone.
Main Methods:
- Retrospective experimental study involving 32 adult subjects.
- Cone-beam computed tomography (CBCT) radiographic examinations were utilized for precise measurements.
- 3D analysis of dental repositioning and corresponding buccal cortical bone variations.
Main Results:
- Determined orthodontic tooth movements did not result in easily predictable bone variations.
- No direct proportional relationship was observed between the extent of bone apposition/reabsorption and the magnitude of dental movement.
Conclusions:
- The relationship between orthodontic dental movements and buccal cortical bone changes is complex and not directly proportional.
- Predicting bone remodeling solely based on planned dental movements in combined orthodontic-surgical cases is challenging.
