Performance and Strength Characteristics of Suture Knots in Periodontal Microsurgery: An In Vitro Study.

IF 1.3 4区医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

International Journal of Periodontics & Restorative Dentistry Pub Date : 2023-08-31 DOI:10.11607/prd.6899

Alina Ariceta, Mirian Elizabeth Casco, Paula Kurlander, Francisca Forti, Antonion Camarano, Roberto Volfovicz, Hsun-Lian Chan, Diego Velásquez-Plata

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引用次数: 0

Abstract

Background: This study is aimed to investigate the types of knot failure (untying or breaking) and the tension required to break different sutures diameters.

Methods: One hundred and fifty knots were fabricated using polyamide sutures diameters of 6/0, 7/0, and 8/0. The studied knots were either squared or slipped with different numbers of throws (2, 3, 4, 5 and 6), and the following data were recorded: type of failure (untied or broken), number of throws, the tension required to untie or break each knot, slippage, and elongation of the knot. The knots were created in a standardized way. with a device and weights and then subjected to a controlled tension.

Results: The knots that got untied were: 1=1, 1x1, 2=1, and 2x1, whereas the remaining knots got broken. Notably, at least three throws were required to prevent untying, but separately, as in 1=1=1 or 1x1x1. The mean tension to break the knots of 6/0, 7/0, and 8/0 sutures were 3.1, 1.3, and 0.6 N, respectively (P < 0.05), and they were independent of the knot type.

Conclusion: Results from this study demonstrated that the knots with geometries of 2=2/2x2 and 1=1=1/1x1x1 were secure, and additional throws does not increase their security. Furthermore, tensile strength reduces with decreased suture size.

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牙周显微手术中缝合线结的性能和强度特征：体外研究

背景：本研究旨在探讨缝合线打结失败的类型（解结或断线）以及不同直径缝合线断线所需的张力：本研究旨在调查绳结失效的类型（松开或断开）以及断开不同直径缝合线所需的张力：使用直径分别为 6/0、7/0 和 8/0 的聚酰胺缝合线制作了 150 个绳结，这些绳结或呈方形，或以不同的打结次数（2、3、4、5 和 6）滑动，并记录了以下数据：失败类型（松开或断开）、打结次数、松开或断开每个绳结所需的张力、滑动以及绳结的伸长率。绳结是以标准化的方式用装置和砝码打出来的，然后受到可控的拉力：解开的绳结有结果：解开的绳结有：1=1、1x1、2=1 和 2x1。值得注意的是，至少需要三次抛掷才能防止绳结松开，但要分别进行，如 1=1=1 或 1x1x1。6/0、7/0 和 8/0 缝合线打结时的平均张力分别为 3.1、1.3 和 0.6 N（P < 0.05），且与线结类型无关：该研究结果表明，几何形状为 2=2/2x2 和 1=1=1/1x1x1 的结是安全的，额外的抛掷并不会增加其安全性。此外，拉伸强度会随着缝合线尺寸的减小而降低。

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

International Journal of Periodontics & Restorative Dentistry 医学-牙科与口腔外科

CiteScore

2.90

自引率

6.20%

发文量

113

审稿时长

6-12 weeks

期刊介绍： The International Journal of Periodontics & Restorative Dentistry will publish manuscripts concerned with all aspects of clinical periodontology, restorative dentistry, and implantology. This includes pertinent research as well as clinical methodology (their interdependence and relationship should be addressed where applicable); proceedings of relevant symposia or conferences; and quality review papers. Original manuscripts are considered for publication on the condition that they have not been published or submitted for publication elsewhere.