Evidence map›Paper›PMID 34940371›Full record

ReviewBioengineering (Basel, Switzerland)2021

An Update on Nickel-Titanium Rotary Instruments in Endodontics: Mechanical Characteristics, Testing and Future Perspective-An Overview.

Alessio Zanza, Maurilio D'Angelo, Rodolfo Reda, Gianluca Gambarini, Luca Testarelli, Dario Di Nardo

Abstract readReview
In one paragraph

Review in Bioengineering (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

42 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Single versus multiple visits for endodontic treatment of permanent teeth.The Cochrane database of systematic reviews · 2022
    Pooled it
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Alessio ZanzaDepartment of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy.ORCID 0000-0002-2062-8140
Maurilio D'AngeloDepartment of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy.
Rodolfo RedaDepartment of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy.ORCID 0000-0003-1532-6524
Gianluca GambariniDepartment of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy.
Luca TestarelliDepartment of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy.ORCID 0000-0003-3904-3000
Dario Di NardoDepartment of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy.ORCID 0000-0002-5054-0828

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Since the introduction of Nickel-Titanium alloy as the material of choice for the manufacturing of endodontic rotary instruments, the success rate of the root canal therapies has been significantly increased. This success mainly arises from the properties of the Nickel-Titanium alloy: the biocompatibility, the superelasticity and the shape memory effect. Those characteristics have led to a reduction in time of endodontic treatments, a simplification of instrumentation procedures and an increase of predictability and effectiveness of endodontic treatments. Nevertheless, the intracanal separation of Nickel-Titanium rotary instruments is still a major concern of endodontists, with a consequent possible reduction in the outcome rate. As thoroughly demonstrated, the two main causes of intracanal separation of endodontic instruments are the cyclic fatigue and the torsional loads. As results, in order to reduce the percentage of intracanal separation research and manufacturers have been focused on the parameters that directly or indirectly influence mechanical properties of endodontic rotary instruments. This review describes the current state of the art regarding the Nickel-Titanium alloy in endodontics, the mechanical behavior of endodontic rotary instruments and the relative stresses acting on them during intracanal instrumentation, highlighting the limitation of the current literature.

Indexed as

endodontic rotary instrumentsendodonticsNickel-Titanium alloyroot canal treatment

Identifiers

PMID34940371
PMCPMC8698980

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.