The cleaning efficacy of passive ultrasonic irrigation and XP-Endo Finisher after post-space preparation

Aim: The aim was to evaluate the bond strength at the cement/dentin interface in the post space, after specimens were treated with different final irrigation protocols, followed by cementation with a dual resin cement. Methods: Forty-eight extracted uniradicular human premolars were divided into four groups according to the irrigation (n = 12): control with distilled water; 2.5% sodium hypochlorite (NaOCl) + ethylenediaminetetraacetic acid (EDTA); 2.5% NaOCl + passive ultrasonic irrigation (PUI); and 2% chlorhexidine (CHX). The pull-out test was performed. The results were evaluated using ANOVA with Tukey’s paired comparisons, with a significance of 5%. Results: When all groups were compared, significant difference occurred (p = 0.006), and in the paired comparison, NaOCl + PUI and CHX differed (p = 0.005). The CHX showed significantly higher adhesive defects between cement and dentin than other groups. Conclusions: The final irrigation protocol for cleaning after preparation for post space directly influences the bond strength at the cement/dentin interface.

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The Influence of Passive Ultrasonic Irrigation Associated with Different Irrigating Solutions on Radicular Dentin Microhardness

Archives of Clinical and Biomedical Research ◽

10.26502/acbr.50170105 ◽

2020 ◽

Vol 04 (04) ◽

Author(s):

Sandra Pillon Nogueira ◽

Carlos Eduardo da Silveira Bueno ◽

Alexandre Sigrist De Martin ◽

Rina Andrea Pelegrine ◽

Carlos Eduardo Fontana ◽

...

Keyword(s):

Passive Ultrasonic Irrigation ◽

Ultrasonic Irrigation

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Outcomes of Endodontic Therapy Comparing Conventional Sodium Hypochlorite Irrigation with Passive Ultrasonic Irrigation Using Sodium Hypochlorite and Ethylenediaminetetraacetate. A Retrospective Analysis

The Open Dentistry Journal ◽

10.2174/1874210616021001375 ◽

2016 ◽

Vol 10 (1) ◽

pp. 375-381 ◽

Cited By ~ 4

Author(s):

Moritz Hertel ◽

Katja Sommer ◽

Eckehard Kostka ◽

Sandra Maria Imiolczyk ◽

Husam Ballout ◽

...

Keyword(s):

Sodium Hypochlorite ◽

Clinical Symptoms ◽

Treatment Success ◽

Success Rates ◽

Chi Square ◽

Passive Ultrasonic Irrigation ◽

Ultrasonic Irrigation ◽

Endodontic Irrigation ◽

Group 2

The aim of the present study was to investigate the clinical outcomes of two different standardized endodontic irrigation protocols. It was assumed that the additional use of ethylenediaminetetraacetate (EDTA) and passive ultrasonic irrigation (PUI) would result in an increased rate of absence of symptoms and remission based on the periapical index (PAI) compared to passive irrigation using only sodium hypochlorite (NaOCl). Data and radiographs from 199 teeth retrieved from the institutional endodontic database were analyzed retrospectively. In 106 teeth irrigation was performed using only NaOCl (protocol 1). Ninety-three teeth were irrigated using NaOCl and EDTA (protocol 2). Chlorhexidine (CHX) was additionally used in revision treatments in both groups. All irrigants in group 2 were activated by PUI. Mean follow-up periods were: protocol 1 = 9.2 ± 4.4 and protocol 2 = 6.6 ± 2.5 months (p < 0.0001 (chi-square test). The frequencies of the PAImasterpoint and PAIfollow-up scores did not differ significantly between teeth, which received either protocol 1 or 2 (p = 0.555 and 0.138). Statistical analysis revealed no significant association between treatment success (absence of clinical symptoms and PAIfollow-up = I or PAImasterpoint > PAIfollow-up > I) and the applied protocol (success rates: protocol 1 = 72.6% vs. protocol 2 = 82.8%; p = 0.203). Furthermore, the frequency of extractions did not differ significantly between the two protocols (p = 0.102). No association was found between follow-up time and treatment success (p = 0.888). The hypothesis was not confirmed. Even though the obtained success rate was higher after supplementing the irrigation protocol with EDTA and PUI, no significance was recorded. Hence, protocol 2 was not superior to protocol 1 regarding therapy success, at least within the limited follow-up period. It may be cautiously concluded that sufficient mechanical debridement combined with passive NaOCl irrigation results in comparably high success rates compared to EDTA and PUI.

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Comparative Evaluation of Calcium Hypochlorite and Sodium Hypochlorite Associated with Passive Ultrasonic Irrigation on Antimicrobial Activity of a Root Canal System Infected with Enterococcus faecalis: An In Vitro Study

Journal of Endodontics ◽

10.1016/j.joen.2014.08.025 ◽

2014 ◽

Vol 40 (12) ◽

pp. 1953-1957 ◽

Cited By ~ 20

Author(s):

Ana Paula de Almeida ◽

Matheus Albino Souza ◽

Daniela Cristina Miyagaki ◽

Yuri Dal Bello ◽

Doglas Cecchin ◽

...

Keyword(s):

Antimicrobial Activity ◽

Sodium Hypochlorite ◽

Comparative Evaluation ◽

In Vitro Study ◽

Canal System ◽

Calcium Hypochlorite ◽

Passive Ultrasonic Irrigation ◽

Ultrasonic Irrigation ◽

Root Canal System

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Evaluation of the Efficacy of EASYDO ACTIVATOR Irrigation Technique in Intracanal Smear Layer and Debris Removal from Mature Permanent Teeth

10.21203/rs.3.rs-590367/v1 ◽

2021 ◽

Author(s):

Shao-Hui Zhang ◽

Zheng-Rong Gao ◽

Dusenge Marie Aimee ◽

Yao Feng ◽

Jing Hu ◽

...

Keyword(s):

Smear Layer ◽

Permanent Teeth ◽

Passive Ultrasonic Irrigation ◽

Root Canals ◽

Effective Removal ◽

Apical Direction ◽

Debris Removal ◽

Ultrasonic Irrigation ◽

Group 3 ◽

Group 2

Abstract EASYDO ACTIVATOR (EA) is a continuously vibrational device for root canals irrigation, but its cleaning effectiveness has not been evaluated by any published reports. We were aiming to evaluate whether EA results in a greater intracanal smear layer and debris removal than conventional needle irrigation (NI) and passive ultrasonic irrigation (PUI). Twenty-seven single-rooted teeth were used. Canals were sized to R30 and irrigated with 3% sodium hypochlorite. Species were divided into three groups: Group 1: NI; Group 2: PUI; Group 3: EA. Canal walls were subjected to scanning electron microscopy. NI- and PUI-group canal cleanliness decreased from the coronal to apical direction (P < 0.05), except for EA group in the apical third. PUI removed more smear layer from the coronal and middle thirds than EA and NI (P < 0.05). PUI and EA were superior to NI regarding debris removal (P < 0.05). The smear layer and debris from the coronal and middle thirds were effectively removed with EA and PUI. More effective removal occurred from the apical third for EA compared with PUI (P < 0.05). Both methods removed smear layer and debris better than NI, providing a theoretical basis for the clinical application of EA.

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Microtomography Evaluation of The Efficacy of Reciprocating And Rotary Instruments Followed By Different Complementary Steps In The Retreatment of Curved Root Canals

Journal of Dentistry and Oral Sciences ◽

10.37191/mapsci-2582-3736-3(2)-088 ◽

2021 ◽

Author(s):

Lincoln de Campos Fruchi

Keyword(s):

Good Choice ◽

Filling Material ◽

Micro Computed Tomography ◽

Niti Wire ◽

Passive Ultrasonic Irrigation ◽

Root Canals ◽

Apical Level ◽

Rotary Instruments ◽

Irrigation Solution ◽

Ultrasonic Irrigation

Objectives: The purpose of this study was to evaluate the efficacy of steps, isolated or in cumulative means, in the endodontic retreatment of curved canals. Methodology: Forty mesial roots of mandibular molars were divided into two groups. In the group 1 the filling removal was done with NiTi reciprocating M-wire and NiTi control memory wire rotary instruments followed by a passive ultrasonic irrigation solution agitation. In the group 2, the initial filling removal was done with NiTi reciprocating M-wire and conventional NiTi wire rotary instruments followed by a rotary plastic instrument for irrigation solution agitation. The results were analyzed through micro-computed tomography. Results: The filling material was not completely removed for both groups. All steps did not statically differ between groups regarding to the filling removal. In the intragroup analyses, the results differed in some levels, mainly in the apical level, but did not statistically differ in all the different levels after each step. A statistical significant increase (P<.05), for both groups, in the volume of filling material in the isthmus was observed. Conclusions: None of the protocols completely removed the filling material. The better results were found for the apical level and after passive ultrasonic irrigation. Vertical warm condensation filling technique enhanced the volume of filling material in the root canal system including the isthmus. Clinical relevance: the control memory NiTi instruments could be considered a good choice for use as an additional step in the procedure of filling removal from curved mesial root canals.

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Passive ultrasonic irrigation in calcium hydroxide removal from root canals: a sem/eds analysis

Journal of Research in Dentistry ◽

10.19177/jrd.v3e32015668-677 ◽

2015 ◽

Vol 3 (3) ◽

pp. 668

Author(s):

Fernanda Hoffmann Busanello ◽

Angela Longo Do Nascimento ◽

Lilian Tietz ◽

Mirela Sangoi Barreto ◽

Ricardo Abreu Da Rosa ◽

...

Keyword(s):

Calcium Hydroxide ◽

Root Canal ◽

Control Group ◽

Passive Ultrasonic Irrigation ◽

Root Canals ◽

Eds Analysis ◽

Ultrasonic Irrigation ◽

Calcium Hydroxide Removal ◽

And Control ◽

Elementary Chemical

AIM: The aim of this study was to evaluate the efficacy of different lengths of time of passive ultrasonic irrigation (PUI) in removing calcium hydroxide (CH) paste from root canal, using scanning electron microscopy and energy dispersive spectrometry (SEM/EDS). MATERIAL AND METHODS: Fifty-four human premolars were used. After coronal access, a size #15 K-file was used to obtain apical patency. Root canal preparation was performed using WaveOne 40.08 instruments. CH paste was placed into the root canal. Specimens were stored in a humid environment, and after seven days, they were divided into five groups (n=12) according to the irrigation protocols: Manual– a size #40 K-file; PUI/1– 1 min; PUI/2– 2 min; PUI/3– 3 min; and Control– without CH paste. An elementary chemical microanalysis (SEM/EDS) was performed to quantify the presence of calcium on the dentinal walls. RESULTS: The percentage of calcium was higher in all experimental groups when compared to the control group (P < 0.05); but no differences among them were found (P > 0.05). CONCLUSION: The amount of calcium hydroxide paste on the dentinal walls was not dependent on length of time of ultrasonic activation. SEM/EDS analysis seems to be a reliable method to assess CH paste removal from the root canals.

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