Dentinal Tubule Penetration and Retreatability of a Calcium Silicate–based Sealer Tested in Bulk or with Different Main Core Material

Eymirli, Ayhan; Sungur, Derya Deniz; Uyanık, Özgür; Puralı, Nuhan; Nagaş, Emre; Çehrelį, Zafer C.

doi:10.1016/j.joen.2019.04.010

Cited by 34 publications

(39 citation statements)

References 39 publications

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“…This is mainly attributed to the histological characteristics of the apical root dentine, described as sclerotic and poorly permeable dentine that has fewer dentinal tubules compared to middle and cervical thirds dentine ( 17 ). These results are in agreement with studies by Wang et al ( 11 ), McMichael et al ( 19 ) and Eymirli et al ( 20 ), who reported less sealer tubule penetration in the apical third compared to the middle and cervical root canal thirds.…”

Section: Discussionsupporting

confidence: 93%

Dentinal tubule penetration and adaptation of Bio-C Sealer and AH-Plus: A comparative SEM evaluation

et al. 2020

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Objective: The aim of this study was to compare and evaluate the dentinal tubule penetration and adaptation of a premixed bioceramic sealer and an epoxy-resin based sealer in the three radicular thirds. Methods: 30 wide roots, with single straight canals and totally formed apexes, were endodontically prepared and divided into two groups (n=14) according to the sealer used for root canal filling: AH-Plus (AHP) and Bio-C Sealer (BIOC). Two samples were left as controls. After the canals were filled, the samples were cut and viewed under Scanning Electron Microscopy by taking images to analyse the tubular penetration and adaptation of the sealers. The results were statistically analysed with the Shapiro Wilk, Levene and Mann-Whitney tests (P<0.05). Results: BIOC showed significantly higher penetration in dentinal tubules than AHP in the cervical, middle and apical thirds of the root canal (P<0.05) and better adaptation to the dentinal tubule walls. Conclusion: Under the parameters of this study, BIOC exhibits higher penetration and better adaptation to the dentinal tubules compared to AHP.

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Section: Discussionsupporting

confidence: 93%

Dentinal tubule penetration and adaptation of Bio-C Sealer and AH-Plus: A comparative SEM evaluation

et al. 2020

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“…4 Required time is similar if a 2% or a 4% gutta-percha cone is used. 8 When the GP cone is positioned short in the canal the time required for regaining WL is significantly greater than if it is positioned at WL. 9 Both R-Endo and ultrasonic tips perform similarly in terms of operating time.…”

Section: Ultrasonic Tipsmentioning

confidence: 99%

“…The percentage of reaching WL and AP in cases with BCS is 100% 5,6,9,11,15 when the sealer is used in conjunction with gutta-percha point at WL, and 0% when it is used alone as a filling material 8 . When the GP point is positioned short of WL there are different results.…”

Section: Ultrasonic Tipsmentioning

confidence: 99%

Retreatability of Bioceramic Endodontic Sealers: a Review

Zhekov

Stefanova

2020

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In 2009 a new type of endodontic sealers was introduced to the market. The so called “bioceramic” sealers are a promising alternative to the present golden standard of root canal fillings. Now a decade later, still very little is known about the ability to remove these sealers in cases of non-surgical endodontic retreatment (NSER). There are only a limited number of articles that provide such information. The commonly used hand files are not efficient in removing thoroughly the sealer from the main canal walls. Machine driven files are much easier and faster alternative to the hand ones, but are still not able to ensure complete removal. Although ultrasonics can be applied only in the straight portion of the main canal, they raise the efficacy of sealer removal. Photon-initiated photoacoustic streaming (PIPS) is another way to enhance the removal of bioceramics. Solvents like chloroform and orange oil are effective in softening gutta-percha, but not the bioceramics. This article reviews the available scientific data concerning removal of bioceramic materials in the context of a NSER. 

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“…In addition, the bioceramic sealers become very hard to penetrate after they have been allowed to set completely [ 5 ]. Eymirli et al [ 47 ] demonstrated that working length could not be achieved during retreatment in root canals obturated with sealers only.…”

Section: Discussionmentioning

confidence: 99%

“…In a study using stereomicroscopy method for evaluation, sealer could only be classified or scored based on the presence of the material [ 14 ]. Various studies have applied CLSM and SEM for evaluations of sealer penetration into dentinal tubules or remaining sealers [ 5 , 15 , 33 , 47 , 65 ]. In the present study, CLSM was applied to effectively evaluate the depth and areas of sealer penetration into dentinal tubules at different levels, as well as the remaining sealer after retreatment.…”

Section: Discussionmentioning

confidence: 99%

A comparative study of dentinal tubule penetration and the retreatability of EndoSequence BC Sealer HiFlow, iRoot SP, and AH Plus with different obturation techniques

et al. 2021

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Objectives This study aimed to evaluate dentinal tubule penetration and the retreatability of EndoSequence BC Sealer HiFlow (HiFlow), iRoot SP, and AH Plus when using the single-cone (SC) or continuous wave condensation (CWC) technique. Materials and methods Sixty-five single-rooted teeth were instrumented and randomly divided into 5 groups: group 1, AH Plus/CWC; group 2, iRoot SP/CWC; group 3, iRoot SP/SC; group 4, HiFlow/CWC; and group 5, HiFlow/SC. The ability to re-establish patency during endodontic retreatment was recorded, as was the time taken to reach the working length. Dentinal tubule penetration and remaining debris after retreatment were evaluated by confocal microscopy and scanning electron microscopy. Data were analyzed by Kruskal-Wallis test and Dunn’s multiple comparisons test (α = 0.05). Results The HiFlow/CWC and iRoot SP/CWC groups required more time to reach the working length than groups that underwent the SC technique regardless of the sealer used (P < .05). The HiFlow/CWC group showed a significantly higher percentage of sealer penetration area than that of the iRoot SP/SC at 4 mm from the apex (P < .05) and penetrated deeper into dentinal tubules than iRoot SP/SC at both 8-mm and 12-mm levels (P < .05). Moreover, the HiFlow/CWC and HiFlow/SC groups demonstrated less remaining sealer along the canal wall than AH Plus/CWC group at 4-mm level (P < .05). Conclusions HiFlow/CWC technique showed better performance in dentinal tubule penetration than that of iRoot SP/SC. Both HiFlow and iRoot SP combined with CWC technique groups required more retreatment time than the other groups. Furthermore, using HiFlow with either the CWC or SC technique left less remaining sealer at 4-mm level than using AH Plus with the CWC technique during retreatment. Clinical relevance With favorable performance in dentinal tubule penetration and retreatability in endodontic retreatment, the combined use of EndoSequence BC Sealer HiFlow with the recommended continuous wave condensation technique may be a worthwhile choice in root canal treatment.

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Dentinal Tubule Penetration and Retreatability of a Calcium Silicate–based Sealer Tested in Bulk or with Different Main Core Material

Cited by 34 publications

References 39 publications

Dentinal tubule penetration and adaptation of Bio-C Sealer and AH-Plus: A comparative SEM evaluation

Dentinal tubule penetration and adaptation of Bio-C Sealer and AH-Plus: A comparative SEM evaluation

Retreatability of Bioceramic Endodontic Sealers: a Review

A comparative study of dentinal tubule penetration and the retreatability of EndoSequence BC Sealer HiFlow, iRoot SP, and AH Plus with different obturation techniques

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