Influence of Negotiation, Glide Path, and Preflaring Procedures on Root Canal Shaping—Terminology, Basic Concepts, and a Systematic Review

Plotino, Gianluca; Nagendrababu, Venkateshbabu; Bukiet, Frédéric; Grande, Nicola M.; Veettil, Sajesh K.; De‐Deus, Gustavo; Ahmed, Hany Mohamed Aly

doi:10.1016/j.joen.2020.01.023

Cited by 54 publications

(54 citation statements)

References 148 publications

(175 reference statements)

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“…Regarding the analysis of bias, there are no well-defined criteria to assess the risk of bias in in-vitro studies, and the studies included in the present systematic review were analyzed by adapting prior criteria adopted in other reviews that evaluated in vitro studies [ 19 20 21 ]. Therefore, some methodological features with the potential to introduce some bias to the results were defined a priori.…”

Section: Discussionmentioning

confidence: 99%

“…The risk of bias of the included studies was assessed by using adapted criteria for systematic reviews of in vitro studies [ 19 20 21 ]. Therefore, the following criteria were analyzed: similarity of specimens, specimen randomization, accordance with manufacturers' directions, standardization of inoculum, and blinding of outcome assessment.…”

Section: Methodsmentioning

confidence: 99%

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The effectiveness of the supplementary use of the XP-endo Finisher on bacteria content reduction: a systematic review and meta-analysis

et al. 2021

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Objectives This systematic review evaluated the efficacy of the supplementary use of the XP-endo Finisher on bacteria content reduction in the root canal system. Materials and Methods In-vitro studies evaluating the use of the XP-endo Finisher on bacteria content were searched in four databases in July 2020. Two authors independently screened the studies for eligibility. Data were extracted, and risk of bias was assessed. Data were meta-analyzed by using random-effects model to compare the effect of the supplementary use (experimental) or not (control) of the XP-endo Finisher on bacteria counting reduction, and results from different endodontic protocols were combined. Four studies met the inclusion criteria while 1 study was excluded from the meta-analysis due to its high risk of bias and outlier data. The 3 studies that made it to the meta-analysis had an unclear risk of bias for at least one criterion. Results No heterogeneity was observed among the results of the studies included in the meta-analysis. The study excluded from the meta-analysis assessing the bacteria counting deep in the dentin demonstrated further bacteria reduction upon the use of the XP-endo Finisher. Conclusions This systematic review found no evidence supporting the supplementary use of the XP-endo Finisher on further bacteria counting the reduction in the root canal.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

The effectiveness of the supplementary use of the XP-endo Finisher on bacteria content reduction: a systematic review and meta-analysis

et al. 2021

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“…Measurements from the pre-and postinstrumentation scans at the four locations were made, to the nearest 0.1 mm. e extent of canal transportation was calculated using this formula: (Y1-Y2)−(X1-X2), where Y1 � the shortest distance between the canal's distal wall and the root's distal periphery before instrumentation; Y2 � the shortest distance between the canal's distal wall and the root's distal periphery after instrumentation; X1 � the shortest distance between the canal's mesial wall and the root's mesial periphery before instrumentation; and X2 � the shortest distance between the canal's mesial walls and the root's mesial periphery after instrumentation (Figures 1-3) [13][14][15][16]. For statistical analysis, the Kolmogorov-Smirnov test was applied to verify that all datasets showed a Gaussian distribution.…”

Section: Sample Size Calculation Methodmentioning

confidence: 99%

Comparison of Canal Transportation, Separation Rate, and Preparation Time between One Shape and Neoniti (Neolix): An In Vitro CBCT Study

Kuzekanani

Sadeghi

Hatami

et al. 2021

International Journal of Dentistry

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Purpose. This in vitro study compared root canal preparation in curved mesiobuccal canals of molar teeth using either the One Shape™ or the Neoniti (Neolix) rotary NiTi single-file systems, assessing canal transportation, instrument separation and time required for preparation. Methods. Extracted maxillary and mandibular human molar teeth with mesiobuccal canals having apical angles of curvature between 25 and 35o were selected and embedded in acrylic resin blocks, and an initial CBCT was taken. The teeth were divided into two equal groups (n = 20), and the canals were cleaned and shaped using either Neoniti™ or One Shape™ engine-driven NiTi rotary files. Each individual instrument was used to prepare 5 canals. The time required for the preparation of each canal was recorded. Postpreparation CBCT scans were taken and used to determine the extent of canal transportation at levels of 2, 4, 6, and 8 mm from the apex. The Kolmogorov–Smirnov test for normality was applied, and then, datasets were compared using independent t-tests, with a threshold of P < 0.05 . Results. Neoniti rotary files caused significantly less canal transportation of the curved canals ( P = 0.0001 ). On the other hand, the time required for canal preparation was significantly shorter for One Shape ( P = 0.0001 ). No instrument separation was recorded in both groups. Conclusion. Based on these results, the Neoniti™ rotary file system is preferred because it maintains the original shape of curved root canals better than One Shape™; even though this benefit comes at the cost of an increase in preparation time in clinical practice, the better technical performance may be more important than a difference in procedural time.

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“…It is necessary to collect as much data as possible about the anatomy of a particular canal (size, width, presence of narrowing or calcifications) and its geometry (orientation in space and curvature) to standardize the instrumentation plan. The designation of these parts is of paramount importance, since some anatomical features can compromise the safety and effectiveness of the subsequent use of large instruments [9].…”

Section: General Informationmentioning

confidence: 99%

Analysis of a glide path creation necessity at the initial stages of endodontic treatment

Khabadze

Generalova

2021

Èndodontiâ today

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Aim. Article is to detail the positive and negative aspects associated with the creation of a glide path with various types of endodontic instruments.Materials and methods. During a systematic review of the literature, Russian – and English-language publications were studied in the electronic databases PubMed, Google Scholar. Articles, the content of which concerns the methods of creating a glide path, as well as possible complications were included in analysis.Results. 60 articles were reviewed during the review. After analyzing the literature according to the inclusion and exclusion criteria, the total number of publications has become 32.Conclusions. According to the studied literature, it can be said that the glide path provides a predictable behavior of rotary tools and it is a recommended condition for achieving the success of endodontic treatment at the stage of canal mechanical treatment and preventing iatrogenic complications.

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Influence of Negotiation, Glide Path, and Preflaring Procedures on Root Canal Shaping—Terminology, Basic Concepts, and a Systematic Review

Cited by 54 publications

References 148 publications

The effectiveness of the supplementary use of the XP-endo Finisher on bacteria content reduction: a systematic review and meta-analysis

The effectiveness of the supplementary use of the XP-endo Finisher on bacteria content reduction: a systematic review and meta-analysis

Comparison of Canal Transportation, Separation Rate, and Preparation Time between One Shape and Neoniti (Neolix): An In Vitro CBCT Study

Analysis of a glide path creation necessity at the initial stages of endodontic treatment

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