Dentin Sealing of Calcium Silicate-Based Sealers in Root Canal Retreatment: A Confocal Laser Microscopy Study

Ortiz-Blanco, Blanca; Sanz, José Luis Graupera; Llena, Carmen; Lozano, Adrián; Forner, Leopoldo

doi:10.3390/jfb13030114

Cited by 3 publications

(2 citation statements)

References 30 publications

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“…In F subgroups, the sealer was modified by adding a saturated alcohol solution of fluorescein to obtain its concentration of 0.1%. In the studies carried out by Macedo et al and Ortiz-Blanco et al, fluorescein was added to the sealers to achieve 0,1% concentration [17,18]. In P subgroups, the sealer was modified using saturated alcohol solution of porphyrin to obtain a concentration of 0.1%.…”

Section: Preparation Irrigation and Filling Of The Root Canalsmentioning

confidence: 99%

“…Fluorescein was used to stain the sealers in previous studies with the use of the CLSM by Macedo et al and Ortiz-Blanco et al [17,18]. The probability that the hydrophilic fluorescein dye may leak from the sealer has been taken into account and is indicated as a weakness of the study listed in a special discussion paragraph on the possible shortcomings of the studies presented.…”

Section: Introductionmentioning

confidence: 99%

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The Influence of Irrigating Solutions on the Penetration of Epoxy AH Plus Sealer in Dentinal Tubules—In Vitro Confocal Microscopy Study

Wilkoński

Krupiński²,

Jamróz-Wilkońska³

et al. 2023

Applied Sciences

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Background: The proper sealing of the root canal seems to be critical to obtain a stable result of endodontic therapy. The sealer’s penetration into dentinal tubules during root canal treatment is probably a crucial factor to provide better clinical results. The aim of this study was to compare the effect of three irrigation protocols on the penetration of the epoxy sealer into dentinal tubules and two dyes used to stain the sealer. Methods: Ninety single-canaled human teeth with straight roots were used. The root canals were instrumented with Reciproc instruments up to the size 40/04 ISO. The teeth were divided into three groups (n = 30). The root canals of each group were rinsed accordingly: the control group 1: 5.25% sodium hypochlorite (NaOCl); the experimental group 2: smear layer removal (two times alternatively: 40% citric acid and 5.25% NaOCl) and NaOCl; the experimental group 3: smear layer removal (same as in group 2) and isopropyl alcohol. In each group the roots were further divided into 2 subgroups (n = 15). The root canals were obturated using warm vertical compaction technique of gutta-percha with AH Plus sealer marked with hydrophilic fluorescein (subgroup F) or hydrophobic porphyrin (subgroup P). After 72 h, one-millimeter-thick cross-sections were cut in two, five and eight millimeters distance from the apex. The depth of the penetration of the sealer into the dentinal tubules (resin tags) was measured with the use of a confocal laser microscope. Results: In of all the root parts, the longest resin tags were observed in group 2, whereas the shortest ones were found in group 1 (in the porphyrin subgroups all differences were statistically significant). Within the fluorescein subgroups, the differences between all groups were statistically significant in the middle section of the roots. In the apical and the coronal sections, significant differences were observed between group 1 and the other two groups. Conclusions: The isopropyl alcohol at the end of the irrigating protocol did not affect the higher sealer penetration of the sealer into the dentinal tubules compared with sodium hypochlorite. With the limitation of this study, the hydrophobic porphyrin may be considered as the favorable dye choice to stain endodontic sealers in further studies with confocal laser scanning microscopy, but the methods and reagents used should still be in the research phase.

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Section: Preparation Irrigation and Filling Of The Root Canalsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Influence of Irrigating Solutions on the Penetration of Epoxy AH Plus Sealer in Dentinal Tubules—In Vitro Confocal Microscopy Study

Wilkoński

Krupiński²,

Jamróz-Wilkońska³

et al. 2023

Applied Sciences

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Influence of initial root canal treatment on intratubular penetrability and bond strength of nonsurgical retreatment: an in vitro study

Hadid,

Ventura,

Ramirez

et al. 2024

Journal of Endodontics

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Comparative evaluation of postoperative pain and periapical healing after root canal treatment using three different endodontic sealers: A randomized controlled clinical trial

Pandey,

Kararia,

Sharma

et al. 2024

Journal of Conservative Dentistry and Endodontics

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Aims: A randomized controlled clinical trial to evaluate postoperative pain and investigate periapical healing after root canal treatment using eugenol, resin-based, and calcium silicate-based sealers (CSBSs) sealers. Materials and Methods: Sixty-three individuals diagnosed with apical periodontitis confirmed using cold test and electronic pulp tester, periapical pathology with periapical index score of 2 or more, previous endodontic treatment failure exhibiting a visual analog scale pain score of 3 or above, were enrolled in this investigation. The patients were randomly allocated into three groups and following biomechanical preparation, the canals were obturated using Meta CeraSeal, AH plus, and eugenol-based sealers. Postprocedural pain intensity was assessed at 24 h, 48 h, and 7 days, while periapical healing was evaluated at 3- and 6-month follow-ups. Statistical analysis was done using the Chi-square and Friedman’s test. Results: The mean of periapical lesions for Meta CeraSeal (4.7, 1.6), AH Plus (4.68, 3.19), 24 and eugenol-based (2.66, 1.75) at 3 months and 6 months, respectively. The mean & std. deviation of pain scores at 24 h for Meta CeraSeal (0.62 ± 1.857), AH Plus (1.62 ± 1.962), and eugenol-based (0.48 ± 1.250). At 48 h for Meta CeraSeal (0.33 ± 1.528), AH Plus (1.33 ± 1.798). On the 7th day, Meta CeraSeal (0.24 ± 1.091) and AH Plus (0.71 ± 1.384) for eugenol-based at 48 h, and on the 7th day, none of the patients had pain. Evaluation of the apical sealer puff displayed no suggestive variations (P = 0.634). Notably, no analgesics were taken. Conclusions: No suggestive dissimilarity was noted between eugenol, resin-based, and CSBSs sealers.

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Dentin Sealing of Calcium Silicate-Based Sealers in Root Canal Retreatment: A Confocal Laser Microscopy Study

Cited by 3 publications

References 30 publications

The Influence of Irrigating Solutions on the Penetration of Epoxy AH Plus Sealer in Dentinal Tubules—In Vitro Confocal Microscopy Study

The Influence of Irrigating Solutions on the Penetration of Epoxy AH Plus Sealer in Dentinal Tubules—In Vitro Confocal Microscopy Study

Influence of initial root canal treatment on intratubular penetrability and bond strength of nonsurgical retreatment: an in vitro study

Comparative evaluation of postoperative pain and periapical healing after root canal treatment using three different endodontic sealers: A randomized controlled clinical trial

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