Filling of simulated lateral canals with gutta percha or resilon when using thermomechanical compaction

Sant´Anna-Junior, A.; Tanomaru-Filho, Mário; Duarte, Marco Antônio Húngaro; Silva, Guilherme Ferreira da; Bosso, Roberta; Guerreiro-Tanomaru, Juliane Maria

doi:10.4103/0972-0707.131777

Cited by 2 publications

(1 citation statement)

References 25 publications

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“…Root canal with simulated curvature in resin blocks has been used for root canal transportation analysis using different preparation methods [ 21 ] and root canal filling techniques. [ 1 22 ] This method enables standardization of root canal preparation. In the present study, the effectiveness of cold lateral compaction in the apical third was evaluated by means of the finger spreader penetration capacity, under the effect of different loads, in simulated root canals with curvature.…”

Section: Discussionmentioning

confidence: 99%

Effect of ProTaper and Reciproc preparation and gutta-percha cone on cold lateral compaction

et al. 2016

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Context:The effectiveness of cold lateral compaction depends on the root canal preparation and used gutta-percha cone.Aims:The aim of this study is to evaluate finger spreader penetration into root canals prepared with ProTaper (PT) or Reciproc (Rec) systems and filled with gutta-percha cones with different tapers.Materials and Methods:Twenty-four simulated root canals in resin blocks with 30° curvature were prepared up to PT F2 or Rec R25. They were divided into four experimental groups according to the master gutta-percha cone and preparation (25.02 or F2/PT, and 25.02 or R25/Rec). Cold lateral compaction was performed using a stainless steel finger spreader size B. The set cone-finger spreader-resin block was placed in a universal test machine, and a load up to 1.5 kg was applied on the finger spreader. The final distance between the finger spreader and apical preparation after load application was obtained. For comparison among the groups, data were submitted to ANOVA and Tukey's tests, with a significance level of 5%.Results:Greater finger spreader penetration was observed for 0.02/Rec and 0.02/PT, followed by F2/PT and R25/Rec.Conclusion:The use of cones associated with PT and Rec preparations does not allow the finger spreader penetration up to the apical third.

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Section: Discussionmentioning

confidence: 99%

Effect of ProTaper and Reciproc preparation and gutta-percha cone on cold lateral compaction

et al. 2016

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Effectiveness of Ultrasonic and Manual Dynamic Agitation Techniques in Irrigant Penetration: An in vitro Study

Khare¹,

Suprabha

Yadav³

et al. 2017

World Journal of Dentistry

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Aim:The aim is to compare the extent of irrigant penetration into root canals up to the working length and in simulated lateral canals after passive ultrasonic irrigation (PUI) and manual dynamic agitation (MDA). Materials and methods:Root canals of 36 single-rooted extracted teeth were shaped using rotary files. Irrigation was done with 5.25% sodium hypochlorite and 17% ethylenediaminetetraaceticacid. Teeth were decalcified in 5% nitric acid. Lateral canals were created by inserting 10 K-files and then, the teeth were cleared using methyl salicylate. Samples were randomly divided into three groups of 12 teeth each: Group I -Control, group II -PUI, and group III -MDA. A contrast solution was delivered to the root canals during final irrigation and activation. Specimens were photographed using dental operating microscope, and the mean length of dye penetration was measured.Results: Data were analyzed using analysis of variance (ANOVA), Tukey test, and repeated measures ANOVA. Passive ultrasonic irrigation group showed the highest penetration of the irrigant upto the working length followed by MDA. Manual dynamic agitation and PUI groups had equivocal results in lateral canal irrigation. Conclusion:Passive ultrasonic irrigation technique is the most effective in delivering the irrigants up to the working length. The effectiveness of PUI and MDA is equivocal in lateral canal irrigation, and hence, MDA can be considered an alternative to PUI, in the case of nonavailability of PUI. Clinical significance:The clinician can consider the use of MDA technique for irrigant agitation in root canals as an alternative to PUI, based on the extent of irrigant penetration.

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Filling of simulated lateral canals with gutta percha or resilon when using thermomechanical compaction

Cited by 2 publications

References 25 publications

Effect of ProTaper and Reciproc preparation and gutta-percha cone on cold lateral compaction

Effect of ProTaper and Reciproc preparation and gutta-percha cone on cold lateral compaction

Effectiveness of Ultrasonic and Manual Dynamic Agitation Techniques in Irrigant Penetration: An in vitro Study

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