AN INVESTIGATION OF THE METAL FATIGUE OF DIFFERENT NICKEL-TITANIUM ROTARY INSTRUMENTS AFTER PROLONGED USE

Kerem Engin Akpınar; Gizem Kutlu Cengiz

doi:10.7126/cumudj.1098476

EN

AN INVESTIGATION OF THE METAL FATIGUE OF DIFFERENT NICKEL-TITANIUM ROTARY INSTRUMENTS AFTER PROLONGED USE

Abstract

Objective:This study aimed to compare the cyclic fatigue (CF) resistance of nickel-titanium (Ni-Ti) endodontic instruments from ProTaper (PTU), ProTaper Next (PTN), Wave One (WO), and Reciproc (RPC). Materials and Methods:In our study, PTU, PTN, WO, and RPC rotary files were divided into the experimental and control groups containing an equal number of samples. The experimental group files were used in the shaping of 80 extracted human lower premolar and lower molar teeth. The experimental and control group kits were then placed in the test apparatus and observed until they fractured. Fracture times were recorded and statistically evaluated. Results:In the one-to-one comparisons of the experimental and control group files, while the differences between the fracture times of the experimental and control group files were found to be statistically insignificant in RPC, WO, PTU, and PTN X1 files (p>0.05), fracture time differences were statistically significant in all PTN X2 files (p<0.05). As a result of the pairwise comparison of the experimental and control groups, the difference between the experimental and control groups of the WO and RPC files used with reciprocal movement was found to be statistically insignificant (p>0.05). Conclusion:The files used with reciprocal movement were found to be safer in terms of metal fatigue when compared to the other files used with rotational movement after the preparation.

Keywords

Supporting Institution

CUMHURİYET ÜNİVERSİTESİ BİLİMSEL ARAŞTIRMA PROJELERİ

Project Number

DİŞ-155

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Details

Primary Language

English

Subjects

Health Care Administration

Journal Section

Research Article

Authors

Kerem Engin Akpınar ^*
0000-0001-8900-9519
Türkiye

Gizem Kutlu Cengiz
0000-0002-7925-709X
Türkiye

Publication Date

June 30, 2022

Submission Date

April 5, 2022

Acceptance Date

May 16, 2022

Published in Issue

Year 1970 Volume: 25 Number: 2

DOI

https://doi.org/10.7126/cumudj.1098476

IZ

https://izlik.org/JA65EA64GT

Cite

RIS / Bibtex

EndNote

Akpınar KE, Kutlu Cengiz G (June 1, 2022) AN INVESTIGATION OF THE METAL FATIGUE OF DIFFERENT NICKEL-TITANIUM ROTARY INSTRUMENTS AFTER PROLONGED USE. Cumhuriyet Dental Journal 25 2 125–130.

AN INVESTIGATION OF THE METAL FATIGUE OF DIFFERENT NICKEL-TITANIUM ROTARY INSTRUMENTS AFTER PROLONGED USE

Abstract

Keywords

Öz

Supporting Institution

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References

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Primary Language

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Authors

Publication Date

Submission Date

Acceptance Date

Published in Issue

DOI

IZ

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