Influence of different ligation methods on force and moment generation in a simulated condition of the maxillary crowded anterior dentition with linguo-version and rotation.

IF 1 4区医学 Q4 ENGINEERING, BIOMEDICAL

Bio-medical materials and engineering Pub Date : 2022-05-30 DOI:10.3233/bme-211288

Sunmin Kim, I. Yonemitsu, H. Takemura, Kunio Shimoda, K. Suga, K. Soga, T. Ono, M. Uo

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引用次数: 0

Abstract

BACKGROUND Most orthodontic cases consist of varying degrees of crowding. To manage crowded dentitions, nickel-titanium archwires with various ligation methods are often used. OBJECTIVE We aimed to investigate the effect of different ligation methods with respect to force and moment and suggest the efficient ligation method for treating rotation and displacement simultaneously. METHODS We built a model that simulated the three anterior teeth of the maxilla. The teeth on the two ends were fixed, and the middle tooth was set in several different positions by manipulating the amount of displacement in bucco-lingual direction and rotation angle. The measurements were taken with three different ligation methods of self-ligation (SL), elastomeric o-ring ligation on both side wings (EB), and on one side wings (EO). RESULTS The magnitude of linguo-buccal force exceeded the standard optimal force in each condition examined and was significantly larger in EB than in other ligation methods. Moreover, the magnitude of moment generation with SL was suitable in the 0.0 mm linguo-version, whereas it was suitable with EO in the linguo-version ranging 1.0-3.0 mm. CONCLUSIONS The ligation method significantly affected the force and moment. SL and EO are recommended in dentitions with light and deep lingual displacements, respectively.

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不同结扎方法对模拟舌型和旋转上颌拥挤前牙列力和力矩产生的影响。

背景大多数正畸病例都有不同程度的拥挤。为了处理拥挤的牙列，经常使用各种结扎方法的镍钛弓丝。目的研究不同结扎方法对力和力矩的影响，提出同时治疗旋转和移位的有效结扎方法。方法我们建立了一个模拟上颌骨三颗前牙的模型。固定两端的牙齿，通过控制颊舌方向的位移量和旋转角度，将中间的牙齿设置在几个不同的位置。采用自体结扎（SL）、两侧翼弹性o形环结扎（EB）和一侧翼弹性o型环结扎（EO）三种不同的结扎方法进行测量。此外，SL产生力矩的大小在0.0 mm的林果版本中是合适的，而EO在1.0-3.0 mm的林果版本中是适合的。结论结扎方法显著影响力和力矩。SL和EO分别推荐用于轻度和深层舌侧移位的牙列。

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

Bio-medical materials and engineering 工程技术-材料科学：生物材料

CiteScore

1.80

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： The aim of Bio-Medical Materials and Engineering is to promote the welfare of humans and to help them keep healthy. This international journal is an interdisciplinary journal that publishes original research papers, review articles and brief notes on materials and engineering for biological and medical systems. Articles in this peer-reviewed journal cover a wide range of topics, including, but not limited to: Engineering as applied to improving diagnosis, therapy, and prevention of disease and injury, and better substitutes for damaged or disabled human organs; Studies of biomaterial interactions with the human body, bio-compatibility, interfacial and interaction problems; Biomechanical behavior under biological and/or medical conditions; Mechanical and biological properties of membrane biomaterials; Cellular and tissue engineering, physiological, biophysical, biochemical bioengineering aspects; Implant failure fields and degradation of implants. Biomimetics engineering and materials including system analysis as supporter for aged people and as rehabilitation; Bioengineering and materials technology as applied to the decontamination against environmental problems; Biosensors, bioreactors, bioprocess instrumentation and control system; Application to food engineering; Standardization problems on biomaterials and related products; Assessment of reliability and safety of biomedical materials and man-machine systems; and Product liability of biomaterials and related products.