Assessment of Rate of Orthodontic Tooth Movement with Different Modalities of Ligations | ||||
| Al-Azhar Journal of Dentistry | ||||
| Volume 2022, Issue 2, April 2022 | ||||
| DOI: 10.21608/adjg.2022.76226.1385 | ||||
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| Authors | ||||
| Aya Nasef1; Samir Ibrahim2; Sara El Kabbany3 | ||||
| 1Demonstrator at orthodontic department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt. | ||||
| 2Professor of Orthodontics, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt. | ||||
| 3Lecturer at Orthodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt. | ||||
| Abstract | ||||
| Purpose: This study was carried out to assess the effect of different types of ligatures on the rate of canine retraction. Materials and Methods: 14 participants requiring extraction of upper first premolars, were randomly assigned into 2 groups; group 1 had passive self-ligating bracket on the upper right canine, figure of 8 module ligature on the upper left canine and group 2 also had self-ligating bracket on the upper right canine, and slide-low friction elastic module on the left side. Canines retraction were done under 150 gm of force using a 9 mm nickel-titanium closed-coil spring .Alginate impression was taken at the onset of canine retraction(T0), and every month (T1T4). Study casts were fabricated and then scanned with a 3D scanner. Results: The statistical analysis showed no statistically significant difference in the rate of canine retraction between the 2 groups, and between the control and intervention sides within each group. Conclusion: The difference in rate of upper canine retraction between self- ligation brackets, figure of 8 elastic module and slide –low friction ligature was not statistically significant. | ||||
| Keywords | ||||
| Orthodontics; canine retraction; self- ligation | ||||
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