AI Article Synopsis
- The study assessed the time required for orthodontic extrusion of impacted maxillary canines using a device that applies forces under 0.6 N.
- In a retrospective analysis of 22 patients and 30 impacted canines, researchers found that treatment duration was primarily affected by the age of the patients, with younger patients (11-12 years) experiencing the quickest treatment times.
- The severity of the impaction did not influence the treatment time, and the device was associated with minimal complications, suggesting its potential for effective use in similar cases.
Article Abstract
Introduction: Orthodontic extrusion of impacted maxillary canines requires careful biomechanical planning and the use of physiologic force. The aim of this study was to evaluate the time needed for orthodontic extrusion of impactions of different severities, using a device that can predictably apply forces under 0.6 N.
Methods: Twenty-two patients who were consecutively treated were selected retrospectively, and a total of 30 impacted canines were studied. Indexes of impaction were used to measure severity on pretreatment panoramic radiographs. Statistical analysis was used to detect interactions between treatment time, complexity of impaction, age, and sex.
Results: Treatment time was highly dependent on the patient's age; the shortest treatment time was observed in 11- to 12-year old patients. On the other hand, the severity of impaction had no effect on treatment time.
Conclusions: Applying physiologic force with the proposed device resulted in a short treatment time, which depended on the patient's age more than the impaction complexity. Few complications were associated with use of this device. Future prospective studies are needed to replicate these findings and confirm the recommended use of this device.
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| http://dx.doi.org/10.1016/j.ajodo.2017.10.027 | DOI Listing |
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