Comparison of mean canine retraction between healed and recently extracted site: A single center, randomized control trial

Zubair, Nazneen Rabia; Ehsan, Ayesha; Sakrani, Hasnain

doi:10.25259/apos_184_2020

Cited by 6 publications

(2 citation statements)

References 28 publications

(28 reference statements)

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“…However, it allows less play between the bracket and the wire, which leads to higher friction and may negatively affect the rate of tooth movement. The extraction was performed after leveling and alignment and three months before canine retraction to avoid overlap between the possible acceleration of tooth movement from the FLC and the acceleration after a recent extraction that occurs due to high cellular activity [ 40 ].…”

Section: Discussionmentioning

confidence: 99%

Effects of Flapless Laser Corticotomy in Upper and Lower Canine Retraction: A Split-mouth, Randomized Controlled Trial

Bakr¹,

Nadim²,

Sedky³

et al. 2023

Cureus

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One of the major difficulties in orthodontic treatment is the lengthy course of therapy, particularly in situations involving extractions. Hence, various methods for accelerating tooth movement rate had been devised. Flapless corticotomy is one of those methods. This study aimed to evaluate the effects of flapless laser corticotomy (FLC) compared to the conventional retraction (CR) method on the rate of canine retraction. MethodsA split-mouth, randomized controlled trial included 56 canines from 14 patients (12 females and two males) with a mean age of 20.4 ± 2.5 years, who were complaining of bimaxillary protrusion requiring extraction of four premolars. All canines were randomly assigned to four groups (maxillary FLC, maxillary control CR, mandibular FLC, and mandibular control CR). Randomization was performed by creating two equal, random computer-generated lists with a 1:1 allocation ratio-one list for the right side and one for the left. The allocation concealment was achieved using opaque sealed envelopes until the time of intervention. FLC was applied on the experimental sides before canine retraction by drilling six holes penetrating 3 mm into the bone on the mesial and distal sides of the canines. Subsequently, all canines were retracted employing closed coil springs to deliver a force of 150 g using indirect anchorage from temporary anchorage devices (TADs). All canines were assessed at T0 (before retraction), T1 (one month after retraction), T2 (two months), and T3 (three months) using three-dimensional (3D) digital models. Additionally, canine rotation, molar anchorage loss assessed using 3D digital models, root resorption assessed using cone beam computed tomography (CBCT), probing depth, plaque, gingival indices, and pulp vitality were all evaluated as secondary outcomes. It was possible to blind only the outcome analysis expert (single-blinded). ResultsThe measurements of canine retraction during the follow-up period from T0 to T3 were 2.46 ± 0.80 mm and 2.55 ± 0.79 mm in maxillary FLC and control groups, respectively, and 2.44 ± 0.96 mm and 2.31 ± 0.95 mm in mandibular FLC and control groups, respectively. The results demonstrated a statistically non-significant difference in the distance of canine retraction between the FLC and control groups at all time points. Moreover, no differences were observed between groups in canine rotation, molar anchorage loss, root resorption, probing depth, plaque, gingival indices, and pulp vitality (p > 0.05). ConclusionIn the FLC procedure performed in this study, the rate of upper and lower canine retraction could not be accelerated and no significant differences were observed between FLC and control groups in canine rotation, molar anchorage loss, root resorption, periodontal condition, and pulp vitality.

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Section: Discussionmentioning

confidence: 99%

Effects of Flapless Laser Corticotomy in Upper and Lower Canine Retraction: A Split-mouth, Randomized Controlled Trial

Bakr¹,

Nadim²,

Sedky³

et al. 2023

Cureus

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“…To minimize overlapping between the potential acceleration of tooth movement from the FLC and the acceleration after a recent extraction, which happens as a result of elevated cellular activity (28) , the extraction was carried out after leveling and alignment and three months before the canine retraction.…”

Section: Table (2) Comparison Between the Four Studied Groups Accordi...mentioning

confidence: 99%

Comparison of Upper and Lower Canine Retraction Rates Assisted by Flapless Laser Corticotomy.

BAKR,

Nadim,

Elkadi

2024

Dental Science Updates

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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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Effectiveness of low-intensity electrical current in accelerating the en-masse retraction of the upper anterior teeth following first-premolar extraction in young adult patients with Class II division 1 malocclusion: A randomized controlled clinical trial

Shaadouh,

Hajeer,

Awawdeh

et al. 2024

International Orthodontics

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Comparison of mean canine retraction between healed and recently extracted site: A single center, randomized control trial

Cited by 6 publications

References 28 publications

Effects of Flapless Laser Corticotomy in Upper and Lower Canine Retraction: A Split-mouth, Randomized Controlled Trial

Effects of Flapless Laser Corticotomy in Upper and Lower Canine Retraction: A Split-mouth, Randomized Controlled Trial

Comparison of Upper and Lower Canine Retraction Rates Assisted by Flapless Laser Corticotomy.

Effectiveness of low-intensity electrical current in accelerating the en-masse retraction of the upper anterior teeth following first-premolar extraction in young adult patients with Class II division 1 malocclusion: A randomized controlled clinical trial

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