Irrigation effectiveness of continuous ultrasonic irrigation system: An &lt;i&gt;ex vivo&lt;/i&gt; study

The parameters of the process of vegetation removing from the water surface have been justified. An experiment was conducted to determine the strength of the screw-type tool and matching the most appropriate parameters. It was established that the channel clean-up quality depends on the screw diameter. It was also investigated the influence of the screw rotation speed on the channel clean-up quality. The dependence of the cleanup quality on the flight screw pitch has been determined.

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“…If the calculated criterion is less than the tabular one for the corresponding degrees of freedom (d.o.f.) [21][22][23][24] …”

Section: Resultsmentioning

confidence: 99%

Experimental study on vegetation removing from irrigation channels

et al. 2020

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“…This may be related to the fact that histological studies focused primarily on debris removal in the apical region. Previous studies [ 12 , 17 , 51 ] reported that the AHTD removal efficacy of EndoVac was better than SNI and PUI in the apical region; specifically, it was better than SNI at 1 mm from WL and comparable to PUI at 1 mm and 3 mm [ 52 ]. Our study may imply that the negative pressure system improves the cleaning efficiency of the apical region at the expense of the cleaning efficiency of the pulp cavity and isthmus.…”

Section: Discussionmentioning

confidence: 99%

Micro-CT Evaluation of Different Root Canal Irrigation Protocols on the Removal of Accumulated Hard Tissue Debris: A Systematic Review and Meta-Analysis

Liang

et al. 2022

JCM

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Accumulated hard tissue debris (AHTD) is an inevitable by-product during endodontic treatment and is difficult to remove completely using traditional syringe and needle irrigation (SNI). Adjunctive irrigation is proposed to assist the clean-up of AHTD. This systematic review and meta-analysis aimed to evaluate the AHTD removal efficacy of different root canal irrigation devices using micro-computed tomography (Micro-CT). A literature search was carried out within the main scientific databases until 20 June 2022. All results were screened with detailed eligibility criteria. Eleven studies were included for analysis. SNI, passive ultrasonic irrigation (PUI), negative pressure systems, sonically activated irrigation (SAI), mechanical-activated system and laser-activated irrigation (LAI) were assessed. PUI is superior to SNI for debris removal and LAI has better AHTD removal performance than PUI. The negative pressure system and mechanical-activated system were proved to be less effective. Registration: PROSPERO (CRD42021273892).

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“…E. faecalis has been used in several previous studies that examined the efficacy of irrigant and dressing materials within root canals [ 18 ]. The apical foramen of teeth was closed with composite to transform the inner canal space into a closed system to simulate clinical conditions, and this is what was adopted in this research as a root canal in the presence of the surrounding tissues tends to be a closed-ended system [ 19 ]. The irrigant protocol was standardized in terms of time and volume, as the irrigant time, according to previous studies, ranged between 30 seconds and 10 minutes, while the irrigant volume, according to previous studies, ranged between 0.05 ml and 15 ml.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of the Antibacterial Efficacy of QMix and AgNP Solutions in Root Canals of Primary Molars: An In-Vitro Study

Alkhourbotly¹,

Altinawi²,

Abou-Samra³

et al. 2022

Cureus

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The study aimed to evaluate QMix 2in1 and silver nanoparticles (AgNPs) solution in eliminating Enterococcus faecalis (E. faecalis) bacteria within root canals of primary molars. Materials and methodsThe study sample consisted of 45 extracted primary molars, which were divided into three groups: Group 1 (control) NaOCl 5.25%, Group 2 (experimental) QMix 2 in 1 , and Group 3 (experimental) AgNPs 4000 ppm. The root canals were sterilized within an autoclave and then contaminated with E. faecalis bacteria. The root canals were irrigated for five minutes in a quantity of 3 ml using a 31-gauge irrigation needle, and then bacterial smears were taken. ResultsSodium hypochlorite, AgNPs, and QMix 2in1 effectively reduced the bacterial count of Enterococcus within root canals of primary molars. There were statistical differences between all groups. QMix 2in1 solution showed the greatest antibacterial efficacy, then NaOCl solution and AgNPs solution. ConclusionAll irrigation solutions used are effective in eliminating E. faecalis. QMix 2in1 can be considered a good alternative to sodium hypochlorite in irrigation root canals of primary teeth.

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Irrigation effectiveness of continuous ultrasonic irrigation system: An <i>ex vivo</i> study

Cited by 10 publications

References 43 publications

Experimental study on vegetation removing from irrigation channels

Experimental study on vegetation removing from irrigation channels

Micro-CT Evaluation of Different Root Canal Irrigation Protocols on the Removal of Accumulated Hard Tissue Debris: A Systematic Review and Meta-Analysis

Evaluation of the Antibacterial Efficacy of QMix and AgNP Solutions in Root Canals of Primary Molars: An In-Vitro Study

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