Evaluation of the efficiency of SmartArch, copper-NiTi, and NiTi archwires in resolving mandibular anterior crowding: A double-blinded randomized controlled trial.

Q2 Dentistry
Journal of Orthodontic Science Pub Date : 2024-11-25 eCollection Date: 2024-01-01 DOI:10.4103/jos.jos_39_24
Thrishna Ashok, Pavithranand Ammayappan, Lidhiya Alexander, Shivashankar Kengadaran, Praveen Kumar
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引用次数: 0

Abstract

Background/objective: Resolution of crowding remains a chief concern for patients seeking orthodontic treatment. The choice of the initial aligning archwire is crucial for achieving treatment success. Nickel-titanium (NiTi) archwires have been the first choice since their introduction. Multi-force archwires are a recent development that claims to deliver optimal orthodontic force tailored to specific teeth. The aim of this study was to compare the clinical efficiency of SmartArch® archwires with conventional and thermoelastic NiTi.

Methodology: Thirty-nine patients were randomly allocated into three groups (group 1: NiTi, group 2: Cu-NiTi, and group 3: SmartArch®). Only patients with Little's irregularity index of >4 mm were included. Study models were fabricated at each time interval of four weeks (T0, T1, T2, and until decrowding). The reduction in the irregularity score was calculated and analyzed using the Shapiro-Wilk and Kolmogorov-Smirnov tests, the Kruskal-Wallis test, the Kaplan-Meier method to create a survival curve, and Mantel-Cox log-rank test to compare survival times.

Results: The Little's irregularity index reduced with treatment in all patients, irrespective of the groups, with no significant difference (P = 0.467) in the reduction among the groups evaluated. On average, it took 10.77 ± 2.52 weeks for group 1, 11 ± 4.22 weeks for group 2, and 9.54 ± 2.6 weeks for group 3. Patients with rotated canines took a longer duration to achieve decrowding, irrespective of the archwires used.

Conclusion: This study found no clinically significant difference in the efficiency of decrowding among the archwires.The study was approved by the Institutional Review Board and Institutional Ethical Committee (IGIDSIEC2021NRP13PGTHODO) and registered under the Clinical Trial Registry (CTRI/2021/09/036859) of India.

评估smararch、铜镍钛和镍钛弓丝解决下颌前牙拥挤的有效性:一项双盲随机对照试验。
背景/目的:解决拥挤仍然是患者寻求正畸治疗的主要问题。初始对准弓线的选择是治疗成功的关键。镍钛(NiTi)弧线自问世以来一直是首选。多力弓线是最近的一项发展,声称提供适合特定牙齿的最佳正畸力。本研究的目的是比较SmartArch®弓丝与传统和热弹性NiTi的临床疗效。方法:39例患者随机分为3组(1组:NiTi, 2组:Cu-NiTi, 3组:SmartArch®)。仅纳入Little's不规则指数为bbb40 mm的患者。每个时间间隔为四周(T0, T1, T2,直到退群)制作研究模型。使用Shapiro-Wilk和Kolmogorov-Smirnov检验、Kruskal-Wallis检验、Kaplan-Meier法绘制生存曲线、Mantel-Cox log-rank检验比较生存时间,计算和分析不规则性评分的减少情况。结果:所有患者的Little's不规则指数均随治疗而降低,且各组间差异无统计学意义(P = 0.467)。1组平均10.77±2.52周,2组平均11±4.22周,3组平均9.54±2.6周。不论使用何种弓形金属丝,犬齿旋转的患者需要更长的时间来实现退群。结论:本研究未发现弓丝间的挤出效率在临床上有显著差异。该研究得到了机构审查委员会和机构伦理委员会(IGIDSIEC2021NRP13PGTHODO)的批准,并在印度临床试验注册中心(CTRI/2021/09/036859)注册。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Orthodontic Science
Journal of Orthodontic Science Dentistry-Orthodontics
CiteScore
0.90
自引率
0.00%
发文量
46
审稿时长
19 weeks
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