BAKR, A., Nadim, M., Elkadi, A. (2024). Comparison of Upper and Lower Canine Retraction Rates Assisted by Flapless Laser Corticotomy.. Dental Science Updates, 5(1), 87-99. doi: 10.21608/dsu.2024.203434.1166
ABUBAKR Reda BAKR; Mohamed Adel Nadim; Abbadi Adel Elkadi. "Comparison of Upper and Lower Canine Retraction Rates Assisted by Flapless Laser Corticotomy.". Dental Science Updates, 5, 1, 2024, 87-99. doi: 10.21608/dsu.2024.203434.1166
BAKR, A., Nadim, M., Elkadi, A. (2024). 'Comparison of Upper and Lower Canine Retraction Rates Assisted by Flapless Laser Corticotomy.', Dental Science Updates, 5(1), pp. 87-99. doi: 10.21608/dsu.2024.203434.1166
BAKR, A., Nadim, M., Elkadi, A. Comparison of Upper and Lower Canine Retraction Rates Assisted by Flapless Laser Corticotomy.. Dental Science Updates, 2024; 5(1): 87-99. doi: 10.21608/dsu.2024.203434.1166
Comparison of Upper and Lower Canine Retraction Rates Assisted by Flapless Laser Corticotomy.
1Department of Orthodontics , Faculty of dentistry, Suez Canal University ,Ismailia, Egypt
2department of Orthodontics, Faculty of dentistry, Suez Canal University,Ismailia, Egypt
3Professor of Orthodontics, Faculty of Dentistry, Suez Canal University Professor of Orthodontics, Faculty of Dentistry, King Salman University
Abstract
Introduction: One of the most frequent issues in extraction cases is the prolonged duration of orthodontic therapy and the slow rate of canine retraction. Aim: This secondary analysis study aimed to compare the rate of canine retraction in upper and lower canines facilitated with Flapless Laser corticotomy (FLC). Materials and Methods: The study included 56 canines from 14 patients (2 males /12 females) with a mean age of (20.4±2.5) years diagnosed with bimaxillary dentoalveolar protrusion and treated with 4 premolars extraction with upper and lower fixed appliances. The intervention was applied in a split-mouth fashion, so before commencing the study, 2 random computer-generated lists with a 1:1 allocation ratio were obtained to detect the side of intervention, these lists were concealed in opaque envelopes until the time of intervention. All participants were allocated into 2 groups, I- (Maxillary canines: which were divided into two subgroups A. Control, B. FLC) and II- (Mandibular canines: which were divided into two subgroups A. Control B. FLC). FLC was applied on the experimental sides before canine retraction by performing 6 holes with 3 mm of depth into the alveolar bone on both mesial and distal sides of all canines, then canines’ retraction was performed using closed-coil springs to obtain a force of 150 gm while anchorage was augmented indirectly with TADs. The rate of canine retraction was assessed at T0, T1, T2, and T3 (just before, 1 month, 2 months, and 3 months after retraction), using 3-Dimentional digital casts. Only the statistical analysis expert was blinded. Results: The results showed a statistically non-significant difference between all groups (upper and lower flapless laser corticotomy and control) in the change in canine retraction distance and monthly rate of Canine retraction. Conclusion: There were neither statistically nor clinically significant differences between upper and lower canine retraction rates either by conventional method or assisted by FLC performed in this study.
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