In vitro evaluation of the influence of velocity on sliding resistance of stainless steel arch wires in a self‐ligating orthodontic bracket

Savoldi, Fabio; Visconti, Luca; Dalessandri, Domenico; Bonetti, Stefano; Tsoi, James Kit‐Hon; Matinlinna, Jukka Pekka; Paganelli, Corrado

doi:10.1111/ocr.12156

Cited by 16 publications

(19 citation statements)

References 32 publications

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“… 66 Nevertheless, the testing temperature was reported by only a few studies. Furthermore, although the sliding velocity was usually mentioned (89%), previous studies showed variations in RS at different velocities 35 36 67 and it is noteworthy that the values reported, e.g., up to 20 mm/min, 36 68 were far from clinical orthodontic movements by several orders of magnitude. This being said, the bonding material was not considered even though resin composite luting cement, 69 cyanoacrylate cement, 9 70 and epoxy resin 32 may exhibit different elasticities that influence bracket movement.…”

Section: Discussionmentioning

confidence: 91%

“…73 In fact, only a few studies attempted to quantify the ligation force in standard brackets. 74 Regarding SL brackets, although in ASL and IASL brackets the force of the closure system can be measured through the constant of elasticity of the clip, 67 comparisons between different types of brackets are still challenging. Lastly, in agreement with their definition, PSL brackets have no active component and thus no normal force is generated by the ligating system of the bracket.…”

Section: Discussionmentioning

confidence: 99%

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Resistance to sliding in orthodontics: misconception or method error? A systematic review and a proposal of a test protocol

et al. 2018

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Resistance to sliding (RS) between the bracket, wire, and ligature has been largely debated in orthodontics. Despite the extensive number of published studies, the lack of discussion of the methods used has led to little understanding of this phenomenon. The aim of this study was to discuss variables affecting RS in orthodontics and to suggest an operative protocol. The search included PubMed©, Medline©, and the Cochrane Library©. References of full-text articles were manually analyzed. English-language articles published between January 2007 and January 2017 that performed an in vitro analysis of RS between the bracket, wire, and ligature were included. Study methods were analyzed based on the study design, description of materials, and experimental setup, and a protocol to standardize the testing methods was proposed. From 404 articles identified from the database search and 242 records selected from published references, 101 were eligible for the qualitative analysis, and six for the quantitative synthesis. One or more experimental parameters were incompatible and a meta-analysis was not performed. Major factors regarding the study design, materials, and experimental setup were not clearly described by most studies. The normal force, that is the force perpendicular to the sliding of the wire and one of the most relevant variable in RS, was not considered by most studies. Different variables were introduced, often acting as confounding factors. A protocol was suggested to standardize testing procedures and enhance the understanding of in vitro findings.

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Section: Discussionmentioning

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Resistance to sliding in orthodontics: misconception or method error? A systematic review and a proposal of a test protocol

et al. 2018

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“…[35,36] It is a well-known fact that the archwires size can affect sliding of teeth during space closure. [50] The highest canine retraction rate (MD; 0.76 mm /month) was reported by Aksakalli [35] but with a very wide confidence interval of 95% (0.19-1.34 mm / month). This wide confidence interval lowers the precision in the point of estimate and increases uncertainty about the intervention estimate in that study.…”

Section: Plos Onementioning

confidence: 92%

Is Piezocision effective in accelerating orthodontic tooth movement: A systematic review and meta-analysis

Mheissen¹,

Khan

Samawi³

2020

PLoS ONE

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This meta-analysis aimed at critically assessing currently available evidence regarding the overall effectiveness of Piezocision in accelerating orthodontic tooth movement, as well as the adverse effects of this intervention in orthodontic patients. Search methods Electronic search of 6 databases and additional manual searches up to April 2019 without restrictions, also update the search was done by 20 th November. Selection criteria Randomized controlled trials (RCT) and controlled clinical trials (CCT) reporting piezocisionassisted orthodontics versus conventional orthodontics were included in the review. Data collection and analysis The data are expressed by mean differences (MD), 95% confidence intervals, fixed-effect model or random-effect model in the meta-analysis in regard to statistical heterogeneity analyses (tau 2 , and I 2). Included randomized studies were assessed for risk of bias using the new Cochrane Risk of Bias tool (ROB.2) and the non-randomized studies were assessed using (ROBINS I) tool. The studies were graded according to the GRADE approach. Results Fourteen papers for 13 unique trials were included in this systematic review and eight studies were included in the meta-analysis. The meta-analysis showed that the mean difference of the canine retraction rate in the first and second month after piezocision was 0.66 mm/ month and 0.48mm/month, respectively. A total canine retraction rate in the first two months after piezocision was statistically significant (0.57 mm/month, p<0.00001), favoring the

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“…surgical implements and implants, and in dentistry, e.g. abutment, prostheses and orthodontic wires [ 2 ]. In particular, study [ 3 ] has shown Ti-made hip balls and sockets (as a joint replacement) could stay in patients’ body for more than 20 years.…”

Section: Introductionmentioning

confidence: 99%

Binary titanium alloys as dental implant materials—a review

Liu

Chen

Tsoi

et al. 2017

Regenerative Biomaterials

207

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Titanium (Ti) has been used for long in dentistry and medicine for implant purpose. During the years, not only the commercially pure Ti but also some alloys such as binary and tertiary Ti alloys were used. The aim of this review is to describe and compare the current literature on binary Ti alloys, including Ti–Zr, Ti–In, Ti–Ag, Ti–Cu, Ti–Au, Ti–Pd, Ti–Nb, Ti–Mn, Ti–Mo, Ti–Cr, Ti–Co, Ti–Sn, Ti–Ge and Ti–Ga, in particular to mechanical, chemical and biological parameters related to implant application. Literature was searched using the PubMed and Web of Science databases, as well as google without limiting the year, but with principle key terms such as ‘ Ti alloy’, ‘binary Ti ’, ‘Ti-X’ (with X is the alloy element), ‘dental implant’ and ‘medical implant’. Only laboratory studies that intentionally for implant or biomedical applications were included. According to available literatures, we might conclude that most of the binary Ti alloys with alloying <20% elements of Zr, In, Ag, Cu, Au, Pd, Nb, Mn, Cr, Mo, Sn and Co have high potential as implant materials, due to good mechanical performance without compromising the biocompatibility and biological behaviour compare to cp-Ti.

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In vitro evaluation of the influence of velocity on sliding resistance of stainless steel arch wires in a self‐ligating orthodontic bracket

Cited by 16 publications

References 32 publications

Resistance to sliding in orthodontics: misconception or method error? A systematic review and a proposal of a test protocol

Resistance to sliding in orthodontics: misconception or method error? A systematic review and a proposal of a test protocol

Is Piezocision effective in accelerating orthodontic tooth movement: A systematic review and meta-analysis

Binary titanium alloys as dental implant materials—a review

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