Interfacial adaptation and penetration depth of bioceramic endodontic sealers

Arikatla, Sampath Kumar; Chalasani, Uma; Mandava, Jyothi; Yelisela, Rajiv Kumar

doi:10.4103/jcd.jcd_64_18

Cited by 48 publications

(26 citation statements)

References 19 publications

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“…This area (Area 3) corresponds to 100%, and the pixels proportion identified by the software (red for Rhodamine B and green for Fluo-3) indicates the dentinal tubule penetration [Color figure can be viewed at wileyonlinelibrary.com] tridimensional images (Silva et al, 2015). This method provides information on the sealer penetration and distribution into dentinal tubules when fluorophores are used associated with them (Arikatla, Chalasani, Mandava, & Yelisela, 2018).…”

Section: Discussionmentioning

confidence: 99%

Intratubular penetration of endodontic sealers depends on the fluorophore used for CLSM assessment

Furtado

Machado

et al. 2020

Microscopy Res & Technique

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Root canal filling aims at eliminating empty spaces into the root canal system using biologically compatible materials. Three‐dimensional root canal obturation must prevent or minimize the reinfection caused by microorganisms' leakage. This study aimed at evaluating whether fluorophore (Rhodamine or Fluo‐3) influences the CLSM images of intratubular penetration of four endodontic sealers. Eighty bovine teeth were prepared using K files up to a size #70 and irrigated with 2.5% sodium hypochlorite. All roots were divided into eight groups (n = 10) according to the sealer and fluorophore used: AH Plus/Rhodamine, AH Plus/Fluo‐3, Sealer Plus/Rhodamine, Sealer Plus/Fluo‐3, Sealer Plus BC/Rhodamine, Sealer Plus BC/Fluo‐3, Endosequence/Rhodamine, and Endosequence/Fluo‐3. All roots were filled using cold lateral compaction technique. After 7 days, the roots were transversely sectioned, and three slices, one of each canal third, were obtained. Intratubular penetration was evaluated using CLSM. Sealer Plus BC/Rhodamine and Endosequence BC/Rhodamine presented higher intratubular penetration than AH Plus/Fluo‐3 and Sealer Plus/Fluo‐3 (p ˂ .05). The intragroup analysis showed similar intratubular penetration, regardless of the root third, except for the apical third in AH Plus/Fluo‐3 and Sealer Plus BC/Fluo‐3 groups. The type of fluorophore influences the calcium silicate sealers' tubular penetration but not of epoxy resin‐based ones using CLSM. Bioceramic sealers should not be used associated with Rhodamine for CLSM evaluation. Research Highlights The type of fluorophore influences the calcium silicate sealers' tubular penetration but not of epoxy resin‐based ones when CLSM is used for assessment. Bioceramic sealers should not be used associated with Rhodamine.

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Section: Discussionmentioning

confidence: 99%

Intratubular penetration of endodontic sealers depends on the fluorophore used for CLSM assessment

Furtado

Machado

et al. 2020

Microscopy Res & Technique

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“…Currently, no endodontic sealer meets all the ideal properties expected of them, such as dimensional stability, biocompatibility, and adhesion to root canal walls [ 25 ]. However, AHP has established itself as the reference sealer by which to compare new materials that are introduced onto the market, as a result of its satisfactory properties [ 1 ].…”

Section: Discussionmentioning

confidence: 99%

Could the Calcium Silicate-Based Sealer Presentation Form Influence Dentinal Sealing? An In Vitro Confocal Laser Study on Tubular Penetration

et al. 2021

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Dentinal tubule penetration influences root canal treatment sealing. The aim of this study was to compare dentinal penetration of two clinical presentations of silicate-based sealers using confocal laser. Sixty single-rooted human teeth from 50–70 year-old patients extracted for orthodontic/periodontal reasons were used. Canals were prepared using Mtwo system up to 35/0.04, with 5.25% NaOCl irrigation and final irrigation using 17% EDTA. Teeth were randomly assigned into study groups (ni = 20): EndoSequence BC sealer (ES, group 1), BioRoot RCS (BR, group 2); and a control group (nc = 20) with AH Plus (AHP). Root canals were obturated with 35/0.04 gutta-percha (single-cone technique). The samples were obtained from apical, middle, and coronal thirds. Dentinal tubule penetration depth and percentage of penetration around the canal perimeter were measured. The statistical analysis was performed using Mann Whitney U test and Wilcoxon t-test (95% confidence interval). ES exhibited a significantly higher penetration than AHP in apical and middle thirds (p < 0.05), and in middle and coronal thirds relative to BR (p < 0.05). The percentage of penetration around the canal perimeter was significantly higher for ES compared to BR in all thirds, but only in the apical third for AHP (p < 0.05). The pre-mixed silicate-based sealer exhibited better penetration than the powder/liquid one.

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“…[ 2 16 ] The LC technique resulted in a nonhomogeneous flow of sealer along the root canal wall, which might be the reason for the appearance of high interfacial gaps. [ 19 ]…”

Section: Discussionmentioning

confidence: 99%

Influence of obturation technique on penetration depth and adaptation of a bioceramic root canal sealer

et al. 2020

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Aim: Evaluation of the impact of three different obturation techniques on the penetration depth and adaptation of a bioceramic root canal sealer(BioRoot RCS) to root dentin using scanning electron microscope and confocal laser scanning microscope. Materials and Methods: Recently extracted ninety mandibular premolar teeth of similar dimensions (±0.2 mm) with single canals and straight roots were segregated into three experimental groups ( n = 30 each) based on the method of obturation used, i.e., lateral compaction technique, warm vertical compaction technique, and injectable thermoplasticized technique. After obturation, half of the root samples ( n = 15) in each group were sectioned horizontally by hard tissue microtome at 3, 6, and 9 mm, respectively, from root apex for measuring sealer penetration depth with a confocal laser scanning microscope. Longitudinal sections of the samples ( n = 15) were used for measuring the adaptation of sealers to radicular dentin using a scanning electron microscope. Statistical Analysis: Intergroup comparison of sealer penetration depth and adaptation to root dentin was analyzed using one-way ANOVA, and pairwise comparisons were made using Tukey's post hoc test. Results: Warm vertical condensation technique showed deeper root dentin penetration of the sealer. Better adaptation of the sealer to apical root dentin with minimal voids ( P ≤ 0.05) was achieved with warm vertical condensation in comparison to the injectable gutta-percha method and lateral condensation obturating techniques. Conclusion: At all three root levels (coronal, middle, and apical), warm vertical condensation technique exhibited more sealer penetration with minimum gaps, whereas lateral condensation technique exhibited more gaps and less sealer penetration.

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Interfacial adaptation and penetration depth of bioceramic endodontic sealers

Cited by 48 publications

References 19 publications

Intratubular penetration of endodontic sealers depends on the fluorophore used for CLSM assessment

Intratubular penetration of endodontic sealers depends on the fluorophore used for CLSM assessment

Could the Calcium Silicate-Based Sealer Presentation Form Influence Dentinal Sealing? An In Vitro Confocal Laser Study on Tubular Penetration

Influence of obturation technique on penetration depth and adaptation of a bioceramic root canal sealer

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