Evidence map›Paper›PMID 38074172›Full record

ArticleJournal of clinical and experimental dentistry2023

Influence of concentration, irrigation method, and root canal third on intratubular penetration of sodium hypochlorite - a broad statistical analysis.

Ricardo Machado, Breno Nantes, Diego-Augusto Guimarães, Stella-Maria-Glaci Reinke, Eduardo-Donato-Eing-Elgelke Back, Daniel Comparin, Sérgio-Aparecido Ignácio, Luiz-Pascoal Vansan

Open access · diamondAbstract read
In one paragraph

Article in Journal of clinical and experimental dentistry, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.3field-weighted citation impact, top 43% of its field
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

1 citing paper in PubMed, 1 citations in OpenAlex.

  1. Article
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

8 authors at 3 institutions in 1 country.

Ricardo MachadoDDS, MSc, PhD. Clinical practice limited to Endodontics, Navegantes, Santa Catarina, Brazil.
Breno NantesDDS, MSc. Department of Restorative Dentistry (Endodontics), School of Dentistry of Ribeirão Preto, University of São Paulo - FORP/USP, Ribeirão Preto, São Paulo, Brazil.
Diego-Augusto GuimarãesDDS, MSc. Department of Restorative Dentistry (Endodontics), School of Dentistry of Ribeirão Preto, University of São Paulo - FORP/USP, Ribeirão Preto, São Paulo, Brazil.
Stella-Maria-Glaci ReinkeDDS, MSc, PhD. Clinical practice limited to Endodontics, Blumenau, Santa Catarina, Brazil.
Eduardo-Donato-Eing-Elgelke BackDDS, MSc. Clinical practice limited to Endodontics, Joinville, Santa Catarina, Brazil.
Daniel ComparinDDS, MSc. Clinical practice limited to Endodontics, Francisco Beltrão, Paraná, Brazil.
Sérgio-Aparecido IgnácioDDS, MSc, PhD. Department of Biostatistics, School of Life Sciences, Faculty of Dentistry, Pontifical Catholic University of Paraná - PUC/PR, Curitiba, Paraná, Brazil.
Luiz-Pascoal VansanDDS, MSc. Department of Restorative Dentistry (Endodontics), School of Dentistry of Ribeirão Preto, University of São Paulo - FORP/USP, Ribeirão Preto, São Paulo, Brazil.
Universidade de Ribeirão Preto · BRPontifícia Universidade Católica do Paraná · BRUniversidade Regional de Blumenau · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: The permanence of microorganisms in the root canal system represents the main cause of endodontic failure. Considering the impossibility of effective action of the endodontic files in ramifications of the main canal and mainly inside the dentinal tubules, a better understanding of the irrigation dynamics to enhance endodontic prognosis is essential. Objective: To evaluate the depth of intratubular penetration values of sodium hypochlorite (NaOCl) (dependent variable) by comparing different concentrations, methods of irrigation, and root canal thirds (independent variables) and to investigate the existence of interactions among them, capable of influencing the dependent variable. Material and Methods: 40 roots from extracted human maxillary central incisors were stained and instrumented according to four irrigation protocols (n. 10): conventional irrigation (CI) at each use or change of instrument, and final irrigation with 5ml of 2.5% or 5.25% NaOCl, with or without passive ultrasonic irrigation (PUI), respectivelly. Measurements based on stereomicroscopic images were obtained, and the data were subjected to statistical analysis ( Results: The highest depth values of intratubular penetration of NaOCl were observed in the cervical third, at 5.25%, and by PUI. When only two independent variables were analyzed in association, the highest penetration depth values of NaOCl were obtained at 5.25%, regardless of irrigation method, at 5,25%, in the cervical third, and; in the cervical third, despite of irrigation method. Considering the three independent variables simultaneously, the highest depth values of intratubular penetration of NaOCl were observed in the cervical third, at 5.25%, no matter the irrigation method. The interaction between the independent variables on the penetration depth values of NaOCl was only confirmed considering the irrigation method and root canal third. Conclusions: Intratubular penetration of NaOCl was influenced by the three independent variables individually and when the irrigation method and root canal third were considered simultaneously.

Identifiers

PMID38074172
PMCPMC10699761
OpenAlexW4388018803

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Registered trials

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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.