Influence of the type of reciprocating motion on the cyclic fatigue resistance of reciprocating files in a dynamic model

The aim of this study was to compare the influence of two novel reciprocating movements on the cyclic fatigue resistance of endodontic reciprocating files. 30 Procodile® (Komet Medical, Lemgo, Germany) files were selected in this study and distributed according to the following study groups dependin...

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Bibliographic Details
Published in:BMC oral health 2021-04, Vol.21 (1), p.179-179, Article 179
Main Authors: Zubizarreta-Macho, Álvaro, Albaladejo Martínez, Alberto, Falcão Costa, Carlos, Quispe-López, Norberto, Agustín-Panadero, Ruben, Mena-Álvarez, Jesús
Format: Article
Language:English
Subjects:
CAD
CAE
Computer aided design
Computer aided engineering
Cyclic fatigue
Dentistry
Endodontics
Equipment Design
Equipment Failure
Germany
Humans
Materials Testing
Nitinol
Reciprocating movement
Root Canal Preparation
Software
Statistical analysis
Titanium
Working hours
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Summary:The aim of this study was to compare the influence of two novel reciprocating movements on the cyclic fatigue resistance of endodontic reciprocating files. 30 Procodile® (Komet Medical, Lemgo, Germany) files were selected in this study and distributed according to the following study groups depending on the movements to be performed: ReFlex Dynamic (n = 10), ReFlex Smart (n = 10) and Reciproc (n = 10) reciprocating movement. These files were fixed to a specific dynamic cyclic fatigue device designed and manufactured by 3D impression to simulate the pecking motion performed by the operator. The time to failure and the number of cycles of in-and-out of the endodontic files was registered. The results were analyzed by ANOVA and Weibull statistics. Statistically significant differences were found when the number of cycles of in-and-out movement and the time to failure of ReFlex Dynamic and Reciproc reciprocating movement (p 
ISSN:1472-6831
1472-6831
DOI:10.1186/s12903-021-01538-8