Quantitative analysis of <scp>SmearOFF</scp> and different irrigation activation techniques on removal of smear layer: A scanning electron microscope study

Mobaraki, Babak; Yeter, Kübra Yeşildal

doi:10.1002/jemt.23541

Cited by 8 publications

(4 citation statements)

References 44 publications

(59 reference statements)

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“…Furthermore, more extensive tubular penetration was observed in the cervical third when compared with the middle and apical thirds. This corroborates the ndings of studies in the literature, in which they reveal that the depth of penetration of the sealer varies in the cervical, middle and apical thirds [30,[52][53][54], since the apical region has the lowest number and smallest diameter of dentin tubules per square millimeter [55,56].…”

Section: Discussionsupporting

confidence: 87%

Influence of bioceramic cones on the quality of root canal filling relative to bond strength and adaptation of the adhesive interface

Quaresma

Santos

Silva‐Sousa

et al. 2023

Preprint

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Aim To evaluate the bond strength (BS) and analysis of the adhesive interface in root canals filled with bioceramic gutta percha sealers and cones. Material and Methods Ninety-six maxillary canines were divided into eight groups according to the endodontic sealer (AH Plus, AH Plus Bioceramic, Bio-C Sealer or Bio-C Sealer Ion + and gutta percha cones (conventional or bioceramic) tested. They were analyzed using the BS test, failure pattern, analysis of the adhesive interface by scanning electron microscopy and confocal laser scanning microscopy. The BS data were compared between groups using the analysis of variance test with the Turkey post-test. The chi-square test was used to assess the type of failure and the non-parametric Mann-Whitney and Kruse-Wallis tests (p < 0.05). Results Analysis of variance showed higher BS values for the groups of bioceramic gutta percha cones in Bio-C Sealer Ion+ (8.38 ± 4.27), AH Plus Bioceramic (6.19 ± 3.28), Bio-C Sealer (5.70 ± 3.18), AH Plus (4.61 ± 2.11) and for conventional gutta percha cones in AH Plus sealers (4.26 ± 2.35), Bio-C Sealer Ion+ (3.63 ± 2.29), Bio-C Sealer (2.94 ± 2.32) and AH Plus Bioceramic (1.19 ± 0.89) (p < 0.05). Relative to the type of failure and adaptation of the types of filling material, a higher percentage of mixed failures was observed (gaps between 1 µm-10 µm) for the group with bioceramic gutta percha cones (p < 0.001). Conclusion The bond between sealers and bioceramic gutta percha cones showed higher bond strength values and greater penetration into the dentin tubules. Clinical Relevance: The filling the root canal system with bioceramic sealers should be associated with bioceramic gutta percha cones.

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Section: Discussionsupporting

confidence: 87%

Influence of bioceramic cones on the quality of root canal filling relative to bond strength and adaptation of the adhesive interface

Quaresma

Santos

Silva‐Sousa

et al. 2023

Preprint

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“…According to the observation methodology, a total of 640 angles were obtained. A “substantial” inter- and intraobserver agreement for continuous measurements identified values of 0.96 and 0.98 for the correlation coefficient, respectively (CC: 0.96–0.98; 95% CI (−2.28–2.41) P = 0.73) confirming no difference between them [ 21 ].…”

Section: Resultsmentioning

confidence: 99%

“…The count recorded the number of tubules per field for every third in each hemiroot. Later, two 20 × 20 µ m areas were randomly selected from each sample in order to calculate the area of each tubule, with the formula π∗a∗b in µ m, where a is the height and b is the width of the tubule [ 21 ].…”

Section: Methodsmentioning

confidence: 99%

Experimental Solution of Chitosan and Nanochitosan on Wettability in Root Dentine: In Vitro Model Prior Regenerative Endodontics

Alvarado

Iriarte

Mariño

et al. 2021

International Journal of Biomaterials

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Context. The wettability of the chemically modified dentin substrate is a condition that intervenes in dentin-vascular and cellular interaction across regenerative endodontics. Aims. To compare the effect of CS and CSnp on the wettability in root dentine with other irrigation protocols with an experimental in vitro model prior regenerative endodontics. Methods and Material. An in vitro experimental study that included eighty hemisected human root distributed into 8 groups: G1- distilled water; G2- 1% NaOCl/17% EDTA; G3- hypochlorous acid 0.025% HOCl, G4- 1% NaOCl/0.025% HOCl/17% EDTA, G5- 0.2 g/100 mL CS, G6- 1% NaOCl/0.2 g/100 mL CS, G7- CSnp, and G8- 1% NaOCl/CSnp. The wettability analysis calculated the contact angle (θ) between a drop of a blood-like and root dentinal surface; topographic characterization with scanning electron microscopy (SEM) quantified the diameter and number of tubules per area; spectroscopy infrared analyses (IR-S) identified chemical changes in the inorganic (phosphate/carbonate) and organic phase (amide/methyl). Statistical analysis: a linear mixed model, Kruskal–Wallis, and Holm–Bonferroni correction ( P < 0.05) were used. Results. Significantly higher wettability for G2 (27.1 ( P = 0.0001)) was found. A mean value of 67°±°for experimental groups ( P = 0.07) was found, and we did not identify differences between them. The SEM identified greater tubular opening and erosion for G4 and greater dentinal permeability per area for NaOCl/CS. IR-S identified dentinal organic integrity with NaOCl-CS/CSnp compared to organic reduction promoted for NaOCl/EDTA. Conclusions. This in vitro dentin determined an indirect association between the wettability and organic contents. The oxidative effect of NaOCl could be neutralized by CS-CSnp, and consequently, the wettability of the substrate decreases.

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“…removal from root canal walls by means of scanning electron microscopy (SEM). [7][8][9] Nevertheless, SEM is a qualitative score-based method 10 which uses 2D projections 11 and its use is limited to single-rooted teeth with straight roots. 12 Moreover, it provides a limited view of the location and distribution of the debris into the system.…”

Section: Introductionmentioning

confidence: 99%

How does nano-focus computed tomography impact the quantification of debris within the root canal system?

Rodrigues

Jacobs²,

EzEldeen³

et al. 2023

Braz. oral res.

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Quantitative analysis of SmearOFF and different irrigation activation techniques on removal of smear layer: A scanning electron microscope study

Cited by 8 publications

References 44 publications

Influence of bioceramic cones on the quality of root canal filling relative to bond strength and adaptation of the adhesive interface

Influence of bioceramic cones on the quality of root canal filling relative to bond strength and adaptation of the adhesive interface

Experimental Solution of Chitosan and Nanochitosan on Wettability in Root Dentine: In Vitro Model Prior Regenerative Endodontics

How does nano-focus computed tomography impact the quantification of debris within the root canal system?

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