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Maxillary sinus volume in patients with impacted canines.
The Angle Orthodontist
|July 28, 2016
Summary
Orthodontic treatment for impacted canines significantly increased maxillary sinus volume. This volumetric change was more pronounced when impacted canines were closer to the maxillary sinus, aiding eruption.
Area of Science:
- Dentistry
- Orthodontics
- Maxillofacial Radiology
Background:
- Unilateral impacted canines can affect adjacent anatomical structures.
- Maxillary sinus volume changes in response to impacted canine eruption are not well-documented.
Purpose of the Study:
- To evaluate maxillary sinus volumes in patients with unilaterally impacted canines.
- To compare maxillary sinus volume changes before and after canine eruption into the dental arch.
Main Methods:
- Cone beam computed tomography (CBCT) scans of 30 patients were analyzed.
- Maxillary sinus volumes were measured using InVivoDental 5.0 software at pre- (T0) and post-treatment (T1).
- Distances from impacted canine cusp tips to a palatal plane target were recorded.
Main Results:
- At T0, the maxillary sinus volume was significantly smaller on the side with the impacted canine.
- Post-treatment (T1), no significant difference in mean maxillary sinus volume was observed between the impacted and contralateral sides.
- A significant difference in maxillary sinus volume change was noted after impacted canine treatment.
Conclusions:
- Orthodontic treatment of impacted canines leads to a significant increase in maxillary sinus volume.
- The degree of maxillary sinus volume increase correlates with the proximity of the impacted canine to the sinus.
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