Duration of canine retraction with fixed appliances: A systematic review and meta-analysis

Wazwaz, Fidaa; Seehra, Jadbinder; Carpenter, Guy; Papageorgiou, Spyridon N.; Cobourne, Martyn T.

doi:10.1016/j.ajodo.2022.08.009

Cited by 3 publications

(2 citation statements)

References 95 publications

(55 reference statements)

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“…It is reassuring that these outcomes appear to be patient centred [ 18 ]. Cumulative evidence from primary trials, suggests that surgical adjunctives may hasten treatment efficiency during particular stages of treatment [ 19 , 20 ]. However, the methodological quality of these trials has been questioned and their effect on overall treatment duration is unclear.…”

Section: Discussionmentioning

confidence: 99%

Clinical evaluation of marketed and non-marketed orthodontic products: are researchers now ahead of the times? A meta-epidemiological study

Alhussain,

Cobourne,

Pandis

et al. 2023

Prog Orthod.

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Background The advertisement and adoption of untested orthodontic products is common. This study aimed to provide an update regarding the prevalence of clinical trials in orthodontics evaluating commercially marketed products. Associations between marketed/non-marketed products and study characteristics such as direction of effect, declaration of conflict of interest and industry sponsorship were evaluated. In addition, within the marketed products associations between direction of effect and study characteristics were explored. Material and methods Electronic searching of a single database (Medline via PubMed) was undertaken to identify Randomized controlled trials (RCTs) published over a 5-year period (1st January 2017 to 31st December 2021). Descriptive statistics and associations between trial characteristics were explored. Results 196 RCTs were analysed. RCTs were frequently published in Angle Orthodontist (18.4%), American Journal of Orthodontics and Dentofacial Orthopedics (14.8%) and European Journal of Orthodontics (13.3%). 65.3% (128/196) of trials assessed marketed products after their introduction. The majority of trials assessed interventions to improve treatment efficiency (33.7%). Growth modification appliances were typically analysed in non-marketed compared to marketed products. An association between the type of product (marketed vs non-marketed) and both the declaration of conflict of interest and industry sponsorship was detected. For individual RCTs assessing marketed products either a positive effect (45.3%) or equivalence between interventions or between intervention and untreated control (47.7%) was evident. In 27% of these trials either no conflict of interest or industry funding was not clearly declared. Within the marketed products, no association between the direction of the effect and conflict of interest or funding was detected. Conclusions The analysis of marketed orthodontic products after their introduction is still common practice. To reduce research waste, collaboration prior to the licensing and marketing of orthodontic products between researchers, industry and manufacturers is recommended.

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Section: Discussionmentioning

confidence: 99%

Clinical evaluation of marketed and non-marketed orthodontic products: are researchers now ahead of the times? A meta-epidemiological study

Alhussain,

Cobourne,

Pandis

et al. 2023

Prog Orthod.

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“…Depending on the patient's age and sex, conventional methods result in canine retraction rates of 0.5 to 1 mm every month. Therefore, it may take an average of 5 months for full canine retraction (2) . Traditional procedures with fixed appliances could take up to two years to finish (3) .…”

Section: Introductionmentioning

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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Evaluation of stress and displacement of maxillary canine during the single canine retraction in the maxillary first premolar extraction cases- A finite element study

Zhao,

Lou,

Yan

2024

Clin Oral Invest

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Duration of canine retraction with fixed appliances: A systematic review and meta-analysis

Cited by 3 publications

References 95 publications

Clinical evaluation of marketed and non-marketed orthodontic products: are researchers now ahead of the times? A meta-epidemiological study

Clinical evaluation of marketed and non-marketed orthodontic products: are researchers now ahead of the times? A meta-epidemiological study

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

Evaluation of stress and displacement of maxillary canine during the single canine retraction in the maxillary first premolar extraction cases- A finite element study

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