Final Rinse Optimization: Influence of Different Agitation Protocols

Paragliola, Raffaele; Franco, Vittorio; Fabiani, Cristiano; Mazzoni, Annalisa; Nato, Fernando; Tay, Franklin R.; Breschi, Lorenzo; Grandini, Simone

doi:10.1016/j.joen.2009.10.004

Cited by 104 publications

(95 citation statements)

References 35 publications

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“…These findings agree with those of Paragliola et al (20), who also reported better effectiveness for ultrasonic activation than for a plastic file in improving penetration of solutions into dentinal tubules. PUI also has advantages over conventional irrigation in root canal debridement (20) and in creating cavitation and acoustic streaming (25). As compared with the PUI group, QMix in combination with EC probably resulted in lower increases in movement and flow, which explains the higher SL scores.…”

Section: Discussionsupporting

confidence: 92%

“…Hence, irrigation methods and devices are used in association with disinfection agents, both to enable better cleaning (19) and reduce the time required for an effect (20). Previously reported methods include negative pressure irrigation (21), sonic activation (20,22), passive ultrasonic irrigation (19), manual dynamic activation with a K-file (20) or gutta-percha cones (20,21), continuous ultrasonic irrigation (21), use of a self-adjusting file with simultaneous irrigation and scrubbing (19), and plastic endodontic finishing files (20,23), among other methods.…”

Section: Originalmentioning

confidence: 99%

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Effects of auxiliary device use on smear layer removal

et al. 2016

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This study evaluated the effects of different auxiliary irrigation devices on smear layer removal with a chelating solution (QMix). Fifty single-rooted permanent human teeth were shaped with a sequence of nickel-titanium instruments. A 2% chlorhexidine gel was used as a chemical auxiliary substance during preparation. Samples were assigned to five groups (n = 10 each) according to final irrigation protocol, namely, distilled water (control group), QMix 1 min, QMix + passive ultrasonic irrigation (PUI), QMix + plastic endodontic finishing file (EC), and QMix 3 min. Teeth were prepared and evaluated by scanning electron microscopy, and three photomicrographs (magnification, 1,000×) were obtained for each root third. Two blinded and precalibrated evaluators analyzed and scored the images, and the data were statistically analyzed by the Kruskal-Wallis and Dunn tests (P < 0.05). Groups were ranked according to the extent of smear layer removal. The total area of the root canal walls and apical root thirds was calculated, and the groups ranked PUI > EC = QMix 3 min > QMix 1 min > control. QMix 1 min was effective for smear layer removal only when used with auxiliary devices, and QMix + passive ultrasonic irrigation yielded the best results, particularly for the apical third. (J Oral Sci 58, 561-567, 2016)

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Section: Discussionsupporting

confidence: 92%

Section: Originalmentioning

confidence: 99%

Effects of auxiliary device use on smear layer removal

et al. 2016

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“…24 Energy is transmitted from a file or smooth oscillating wire to the irrigation by ultrasonic waves, producing a stream and cavitation of the irrigating solution disrupting the vapor lock. Paragliola et al 25 and Lui et al 26 concluded…”

mentioning

confidence: 99%

Effects of Different Final Irrigating Solutions on Depth of Sealer Penetration into Dentinal Tubules: An in vitro Confocal Laser Microscopic Study

Shetty¹

2017

Journal of Operative Dentistry &Amp; Endodontics

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Aim: To evaluate the maximum depth of sealer penetration into dentinal tubules at the coronal, middle, and apical third of root canals, following the use of different final irrigation solutions. Materials and methods:Eighty freshly extracted mandibular premolars were selected for the study. After decoronation, instrumentation of samples was done using Protaper universal rotary file system till F4. During shaping and cleaning of root canal, 5.25% concentration of sodium hypochlorite (NaOCl) was used for irrigation. The samples were then randomly divided into four groups (n = 20) depending on the final irrigating solution used. Group I: 17% aqueous ethylenediaminetetraacetic acid (MA) (aq. EDTA); group II: 10% citric acid (CA); group III: 5% maleic acid; group IV: 5.25% conc. NaOCl. Passive ultrasonic irrigation (PUI) was used to activate each final irrigating solution. The samples were obturated using warm lateral condensation technique with guttapercha coated with AH plus sealer mixed with rhodamine B dye. Confocal laser scanning microscopy (CLSM) examined the sealer penetration depth. Results:The Kruskal-Wallis analysis results showed that there was a significant difference in the maximum depth of sealer penetration among all groups in all sections (p < 0.05). The coronal sections of the root canals in each group showed a significantly higher depth of sealer penetration than did the apical and middle sections (p < 0.05). Conclusion:A combination of 17% aq. EDTA and PUI used for final irrigation proved to be more effective for sealer penetration into the dentinal tubules.Clinical significance: Final irrigation protocol followed is of paramount importance in achieving complete disinfection within the root canal, and also the penetration of sealer serves as an indicator of the extent to which the smear layer was removed.

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“…5) In comparison, although sonic vibration does not cut the root canal, it has been pointed out that it is less effective than ultrasonic vibration. [24][25][26][27] We therefore and that its effect decreased over time. 28) Continuous irrigation is required to improve the efficacy of an irrigant, and this would prevent a decline in the efficacy of the irrigant.…”

Section: Introductionmentioning

confidence: 75%

In vitro Evaluation of the Effect of Sonic Vibration on the Cleaning Capability of Root Canal Irrigants

Kure

Suehara

Morinaga

et al. 2012

J. Hard Tissue Biology.

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The objective of this study was to evaluate the capability of sonic vibration and continuous irrigation with various irrigant solutions to remove the smear layer formed by nickel-titanium (Ni-Ti) rotary instruments. Root canals were prepared in 56 single-rooted human mandibular premolars with no dental caries by using NiTi rotary instruments. The teeth were divided into six experimental groups: control (Co) group, irrigated with sterile physiological saline only (8 teeth); SH group, irrigated with 5.25% sodium hypochlorite (NaOCl) solution (10 teeth); SC group, irrigated with 3% ethylene diamine tetraacetic acid (EDTA) solution (10 teeth); Co+Vi group, irrigated with sterile physiological saline along with sonic vibration (8 teeth); SH+Vi group, irrigated with 5.25% NaOCl solution along with sonic vibration (10 teeth); and SC+Vi group, irrigated with 3% EDTA solution along with sonic vibration (10 teeth). The surface walls in the central portion of the coronal and apical halves of the root canals in experimental groups were examined with a scanning electron microscope (SEM), and the mean numbers of open dentinal tubules after root canal irrigation were calculated. There was no statistically significant difference between the SH and SH+Vi groups, but cleaning capability improved significantly in the coronal area in the SC+Vi group compared with the coronal side in the SC group. In this study, we confirmed that continuous irrigation of the root canals using EDTA along with sonic vibration is effective in removing the smear layer formed by Ni-Ti rotary instruments.

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Final Rinse Optimization: Influence of Different Agitation Protocols

Cited by 104 publications

References 35 publications

Effects of auxiliary device use on smear layer removal

Effects of auxiliary device use on smear layer removal

Effects of Different Final Irrigating Solutions on Depth of Sealer Penetration into Dentinal Tubules: An in vitro Confocal Laser Microscopic Study

In vitro Evaluation of the Effect of Sonic Vibration on the Cleaning Capability of Root Canal Irrigants

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