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旋转式与往复式根管锉的循环疲劳抗力：一项系统评价与Meta分析

Cyclic Fatigue Resistance of Rotary versus Reciprocating Endodontic Files: A Systematic Review and Meta-Analysis.

作者信息

De Pedro-Muñoz Ana, Rico-Romano Cristina, Sánchez-Llobet Patricia, Montiel-Company José María, Mena-Álvarez Jesús

机构信息

Department of Endodontics, Faculty of Dentistry, Alfonso X El Sabio University, 28691 Madrid, Spain.

Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, 46010 Valencia, Spain.

出版信息

J Clin Med. 2024 Feb 2;13(3):882. doi: 10.3390/jcm13030882.

DOI:10.3390/jcm13030882
PMID:38337577
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10856014/
Abstract

(1) : The failure of nickel-titanium (NiTi) rotary files is a complication related to endodontic instruments. The aim of this study was to compare the resistance to cyclic fatigue between rotary and reciprocating file systems. (2) : Specific PICO: Population (P): artificial root canals; Interventions (I): instrumentation with NiTi rotary and reciprocating files; Comparison (C): rotary versus reciprocating files; Outcome (O): cyclic fatigue resistance. Studies were identified through bibliographic research using electronic databases (Medline, Embase, Scopus, SciELO, and WOS). The studies were combined using a random effects model by the inverse variance method. The effect size was the mean of the time to fracture (TTF) and number of cycles to fracture (NCF). Heterogeneity was assessed using the p value of the Q test for heterogeneity and the I2. (3) : TTF for rotary files was determined in 474.5 s and 839.1 for reciprocating without statistically significant differences. NCF for rotary systems was determined in 1444.2 and for reciprocating file systems in 4155.9 with statistically significant differences ( = 0.035), making reciprocating files more resistant. (4) : Reciprocating files have better resistance to cyclic fatigue than rotary files. When tested in double curvature canals, reciprocating files also showed higher resistance.

摘要

(1)：镍钛（NiTi）旋转锉的折断是与根管治疗器械相关的一种并发症。本研究的目的是比较旋转锉系统和往复锉系统的抗循环疲劳性能。(2)：具体的PICO：人群（P）：人工根管；干预措施（I）：使用NiTi旋转锉和往复锉进行根管预备；对照（C）：旋转锉与往复锉；结局（O）：抗循环疲劳性能。通过使用电子数据库（Medline、Embase、Scopus、SciELO和WOS）进行文献检索来识别研究。采用随机效应模型通过逆方差法对研究进行合并。效应量为断裂时间（TTF）的均值和断裂循环次数（NCF）。使用异质性Q检验的p值和I²评估异质性。(3)：旋转锉的TTF为474.5秒，往复锉的TTF为839.1秒，无统计学显著差异。旋转系统的NCF为1444.2，往复锉系统的NCF为4155.9，有统计学显著差异（P = 0.035），表明往复锉更具抗疲劳性。(4)：往复锉比旋转锉具有更好的抗循环疲劳性能。在双弯曲根管中进行测试时，往复锉也表现出更高的抗疲劳性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/e8b70d6b32f6/jcm-13-00882-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/b42c836353ee/jcm-13-00882-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/3120585f876f/jcm-13-00882-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/e8d99c8e8787/jcm-13-00882-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/b4268dc91790/jcm-13-00882-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/762becd4eaf1/jcm-13-00882-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/6b2ad5ad41de/jcm-13-00882-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/e8b70d6b32f6/jcm-13-00882-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/b42c836353ee/jcm-13-00882-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/3120585f876f/jcm-13-00882-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/a8bf758fff94/jcm-13-00882-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/80a40f879094/jcm-13-00882-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/e8d99c8e8787/jcm-13-00882-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/b4268dc91790/jcm-13-00882-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/762becd4eaf1/jcm-13-00882-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/6b2ad5ad41de/jcm-13-00882-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6cc8/10856014/e8b70d6b32f6/jcm-13-00882-g009.jpg

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