Factors related to the rate of orthodontically induced tooth movement

Dudic, Alexander; Giannopoulou, Catherine; Kiliaridis, Stavros

doi:10.1016/j.ajodo.2012.12.009

Cited by 64 publications

(48 citation statements)

References 26 publications

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“…This conclusive effect of gender on orthodontic tooth movement has never been previously demonstrated. A recent study by Dudic et al (2013) investigating buccal premolar tooth movement in a group of 30 patients, with an age range of 11.3–43 years, found gender to have no effect. This is perhaps not surprising if tooth movement in relation to the timing of the pubertal growth spurt is important, as the mean age of the patients in their study was 17.7 years, and so was after the pubertal growth spurt.…”

Section: Discussionmentioning

confidence: 98%

Effect of gender and Frankfort mandibular plane angle on orthodontic space closure: a randomized controlled trial

Ireland

Songra

Clover

et al. 2016

Orthod Craniofacial Res

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Structured Abstract Objectives To determine the effect of gender and Frankfort mandibular plane angle (FMPA) on extraction space closure. Setting and Sample Population A single district general hospital. The sample population were 11‐ to 18‐year‐olds undergoing upper and lower fixed appliance therapy following the loss of a premolar in each quadrant. Methods A total of 100 patients undergoing upper and lower fixed appliance therapy following the loss of four premolars were randomized with stratification on two age ranges (11–14 years and 15–18 years) and three FMPAs (high, medium and low). Allocation was to one of three treatment groups: conventional, active or passive self‐ligating brackets, with an allocation ratio of 1:2:2. All subjects were treated using the same archwire sequence and space closing mechanics. Space closure was measured on models taken every 12 weeks throughout treatment. All measurements were taken by one operator, blinded to bracket type. Results A total of 98 patients were followed to completion. Data were analysed using linear mixed models and demonstrated no statistically significant difference between bracket types with respect to space closure. Therefore, the data were pooled to determine the effect of gender and FMPA on space closure. At all stages of space closure, there was a significant effect of gender (results are presented as effect size, lower and upper 95% confidence intervals and probability), that is passive [1.064, 0.521, 1.607, 0.001], active [0.825, 0.312, 1.339, 0.002] and total space closure [1.029, 0.527, 1.531, 0.001]. There was no statistically significant effect of FMPA on space closure. Conclusions Space closure during fixed appliance therapy is affected by gender but is unaffected by FMPA.

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Section: Discussionmentioning

confidence: 98%

Effect of gender and Frankfort mandibular plane angle on orthodontic space closure: a randomized controlled trial

Ireland

Songra

Clover

et al. 2016

Orthod Craniofacial Res

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“…In addition, primary leveling and alignment reduced occlusal interference during the canine retraction stage. Another confounding variable that can affect the rate of orthodontic movement is age; the rate of tooth movement is faster in younger patients [30][31][32]. This effect has been attributed to the rate of osteoclast activity and recruitment as well as bone density [31,32].…”

Section: Main Findings In the Context Of The Existing Evidencementioning

confidence: 99%

Effect of mini-screw-facilitated micro-osteoperforation on the rate of orthodontic tooth movement: a single-center, split-mouth, randomized, controlled trial

2020

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Objective: The present study aimed to evaluate the effect of MOP over a 3-month period and to determine the influence of the number of perforations on the rate of canine retraction. In addition, the amount of pain and discomfort caused by the MOP method was evaluated. Trial design: A single-center, split-mouth, triple-blind, randomized, controlled trial was conducted. Methods: The clinical trial was conducted from December 2018 to July 2019 in the Orthodontic Clinic, Shiraz Dental School. Twenty-eight patients (range from16.3 to 35.2 years) who need fixed orthodontic treatment were recruited and randomly assigned to MOP1 and MOP2 groups. In each patient one side of the mouth worked as a control side which received no MOPs. Four months after first premolars extraction, patients in MOP1 group received 3 MOPs on the buccal surface of alveolar bone in the experimental side to accelerate canine retraction whereas patients in MOP2 group received 3 buccal MOPs and 3 palatal MOPs in the experimental side. The amount of canine retraction was measured every 28 days at three intervals on both sides of the mouth. Pain perception was also measured on the day of MOP procedure and subsequently at 24 h. Randomization was performed using online software RANDOM.ORG; the recruited patients were divided into two parallel groups with a 1:1 allocation ratio then the side of MOPs intervention in each subject was randomly determined with coin tossing. Triple blinding design was employed. Results: The result of the intra-examiner reliability using ICC was 0.97 (P < 0.001), indicating excellent repeatability and reliability of the measurements. The baseline characteristics between the groups were similar (P > 0.05). There was a significant difference in the rate of canine retraction between the MOP groups and the contralateral control sides, as well as between the MOP1 and MOP2 groups (P < 0.05). Conclusion: The MOP procedure was effective in accelerating orthodontic tooth movement, although the amount of acceleration was not clinically significant in the case of canine retraction. An increase in the number of MOPs resulted in a significant acceleration of the canine retraction. Trial registration: The trial was registered 30 November 2018 at the Iranian Registry of Clinical Trials (IRCT20181121 041713N1).

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“…Assuming an average of three quadrants per patient and allowing for possible patient attrition of 20% and quadrant attrition of 20%, enrollment of 30 patients in each group would provide the required sample size. The data were analyzed based on individual quadrants and not per patient because orthodontic tooth movement rate might differ between the right and left sides according to the type of occlusion and subsequent inter-and intraarch obstacles as described by Dudic et al [41].…”

Section: Sample Size Calculationmentioning

confidence: 99%

Velocity of orthodontic active space closure with and without photobiomodulation therapy: a single-center, cluster randomized clinical trial

Samara¹,

Nahas²,

Rastegar-Lari

2018

Laser Dent Sci

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Factors related to the rate of orthodontically induced tooth movement

Abstract: The purpose of this study was to investigate the variations of orthodontically induced tooth movement in the maxillary and mandibular arches between patients and the factors such as age, sex, and presence of an interference that might influence the amount of tooth displacement

Cited by 64 publications

References 26 publications

Effect of gender and Frankfort mandibular plane angle on orthodontic space closure: a randomized controlled trial

Effect of gender and Frankfort mandibular plane angle on orthodontic space closure: a randomized controlled trial

Effect of mini-screw-facilitated micro-osteoperforation on the rate of orthodontic tooth movement: a single-center, split-mouth, randomized, controlled trial

Velocity of orthodontic active space closure with and without photobiomodulation therapy: a single-center, cluster randomized clinical trial

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