Wave One and One Shape Files: Survival in Severely Curved Artificial Canals

Wave One and One Shape Files: Survival in Severely Curved Artificial Canals

Emilia Karova

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Snezhanka Topalova-Pirinska

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Medical University of Sofia

Wave One and One Shape Files: Survival in Severely Curved Artificial Canals

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Abstract

Nickel-titanium rotary instruments are preferred for their excellent flexibility, superelasticity and improved cutting efficiency but they can separate unexpectedly, especially in curved canals. Instrumentation with WaveOne and One Shape files was performed on 200 artificial canals divided in four equal groups. Glide path was created with PathFiles and G-files. Average lifespan and survival rate of the shaping files were tested, before and after a glide path creation. Average lifespan of WaveOne and One Shape files without a creation of a glide path was 10.25±2.50 canals and 4.1 (±1.37) canals, respectively and after the creation of a glide path -17.50±2.12 canals and 4.6 (±1.30) canals. Average lifespan and cumulative survival of the tested files revealed significant difference. WaveOne files showed significantly higher resistance to fracture compared with One Shape files. Lifespan and survival rate of tested files increased after the creation of a glide path. Reciprocal motion increases significantly instruments life.

References

47 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Emilia Karova. 2014. \u201cWave One and One Shape Files: Survival in Severely Curved Artificial Canals\u201d. Global Journal of Medical Research - J: Dentistry & Otolaryngology GJMR-J Volume 14 (GJMR Volume 14 Issue J4).

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GJMR Volume 14 Issue J4

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Journal Specifications

Crossref Journal DOI 10.17406/gjmra

Print ISSN 0975-5888

e-ISSN 2249-4618

Keywords

continuous rotation cumm-ulative survival g-files glide path lifespan nickel-titanium instruments one shape pathfiles reciprocating m waveone

Submission ReceivedDecember 10, 2013
Peer Review Double Blind
Handling Editor
Accepted December 31, 2013
Published January 15, 2014

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August 16, 2014

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Total Score: 102

Country: Bulgaria

Subject: Global Journal of Medical Research - J: Dentistry & Otolaryngology

Authors: Emilia Karova, Snezhanka Topalova-Pirinska (PhD/Dr. count: 0)

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