Abstract
Objective: To compare the rate of accelerated tooth movement in canine retraction with micro-osteoperforation on one side and control on the other.
 Study Design: Quasi experimental study.
 Place and Duration of Study: Orthodontics department, Armed Forces Institute of Dentistry, Rawalpindi Pakistan, from Jul 2018 to Jan 2019.
 Methodology: A total of 30 patients were inducted. After alignment and extraction of maxillary first premolars, canine retraction was started with closed NiTi coil spring on both sides of the maxillary arch. Micro-osteoperforation was done on the right side and other side was a control side. The distance between the lateral incisor and the canine was measured on both sides before micro-osteoperforation. The same measurements were recorded after three weeks of retraction. The difference between pre and post retraction measurements was recorded. The difference in the rate of canine retraction between both modalities was compared using independent sample t-test.
 Results: The study included 17 males (56%) and 13 females (43%). The mean rate of tooth movement at experimental side of maxilla was 1.6 ± 0.52 mm and on control side was 0.66 ± 0.31 mm (p<0.05).
 Conclusion: Micro-osteoperforation was an effective, comfortable, and safe procedure to accelerate tooth movement (1.6 times in accordance with this study). It significantly shorten the duration of orthodontic treatment.
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