Evaluation of the Effect of Micro-osteoperforations versus Piezopuncture on the Rate of Orthodontic Tooth Movement Associated with Canine Retraction


  • Tarek Farag Department of Orthodontics and Pediatric Dentistry, National Research Centre, Cairo, Egypt https://orcid.org/0000-0002-0378-8628
  • Wael Mohamed Mubarak Refai Department of Orthodontic, Faculty of Dentistry, Minia University, Minya, Egypt
  • Ahmed Nasef Department of Orthodontic, Faculty of Dentistry, Minia University, Minya, Egypt
  • Omnia A. Elhiny Department of Orthodontics and Pediatric Dentistry, National Research Centre, Cairo, Egypt
  • Ahmed Sh. Hashem Department of Orthodontic, Faculty of Dentistry, Minia University, Minya, Egypt




Micro-osteoperforations, Piezocision, Accelerated tooth movement, Canine retraction


AIM: The aim of the study was to investigate the effectiveness of using micro-osteoperforations (MOPs) or piezocision in accelerating tooth movement, during canine retraction, compared to standard canine retraction.

PATIENTS AND METHODS: A split-mouth study design was carried out with two Groups A and B. Each group contained 10 patients; in each patient, one side was used as a control side and the contralateral side received either MOPs (Group A) or piezocision (Group B). The assessment data were collected by direct intraoral measurements, every 2 weeks, over a 3 months retraction period.

RESULTS: Independent t-test, paired t-test, and ANOVA were used to analyze the results. In Group A, there was a statistically significant difference between the study and control sides (p < 0.001) with a total of 4.2 ± 0.5 mm canine retraction in the MOPs assisted canine retraction side versus a 2.8 ± 0.2 mm total canine retraction in the control side. For Group B, there was a statistically significant difference between the study and control sides (p < 0.001) with a total of 3.6 ± 0.4 mm canine retraction in the piezocision-assisted canine retraction side versus a 2.8 ± 0.2 mm total canine retraction in the control.

CONCLUSION: MOPs and piezocision techniques accelerated the rate of canine retraction during orthodontic treatment, with the MOPs being slightly more effective.


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How to Cite

Farag T, Refai WMM, Nasef A, Elhiny OA, Hashem AS. Evaluation of the Effect of Micro-osteoperforations versus Piezopuncture on the Rate of Orthodontic Tooth Movement Associated with Canine Retraction. Open Access Maced J Med Sci [Internet]. 2021 Aug. 7 [cited 2023 May 31];9(D):113-9. Available from: https://oamjms.eu/index.php/mjms/article/view/6173