scholarly journals Assessment of Two Root Canal Sealers Push-out Bond Strength in Root Canals Obturated Using Two Different Obturation Techniques

2019 ◽  
Vol 65 (2) ◽  
pp. 1487-1494
Author(s):  
Bassem Eid ◽  
Reem Abdel Gawad
Keyword(s):  
Bond Strength ◽  
Root Canal ◽  
Root Canals ◽  
Root Canal Sealers ◽  
Push Out

scholarly journals Effect of nonthermal atmospheric plasma on the push-out bond strength of epoxy resin-based and bioceramic root canal sealers: An in vitro study

2021 ◽  
Vol 24 (1) ◽  
pp. 41
Author(s):  
Roopadevi Garlapati ◽  
KolluriMohana Chandra ◽  
PraveenKumar Gali ◽  
Bolla Nagesh ◽  
Sayesh Vemuri ◽  
...  
Keyword(s):  
Bond Strength ◽  
Epoxy Resin ◽  
Root Canal ◽  
In Vitro Study ◽  
Vitro Study ◽  
Atmospheric Plasma ◽  
Root Canal Sealers ◽  
Push Out

scholarly journals Bond Strength of Experimental Root Canal Sealers Based on MTA and Butyl Ethylene Glycol Disalicylate

2018 ◽  
Vol 29 (2) ◽  
pp. 195-201 ◽  
Author(s):  
Marina Carvalho Prado ◽  
Nancy Kudsi de Carvalho ◽  
Rafael Pino Vitti ◽  
Fabrício Aulo Ogliari ◽  
Luciana Moura Sassone ◽  
...  
Keyword(s):  
Ethylene Glycol ◽  
Bond Strength ◽  
Root Canal ◽  
Bonferroni Correction ◽  
Solution Ph ◽  
Ah Plus ◽  
Materials Used ◽  
Root Canal Sealers ◽  
Push Out ◽  
Alpha Type

Abstract This study investigated the bond strength of two experimental root canal sealers based on MTA and butyl ethylene glycol disalicylate: MTAe and MTAe-HA. The reference materials used for comparison were AH Plus and MTA Fillapex. Twenty human upper incisors were selected and one 1 mm slice was obtained from the cervical third of each root. On the coronal surface of each slice, four 0.9 mm wide holes were drilled through the dentine. Standardized irrigation was performed and holes were filled with one of the four tested sealers: AH Plus, MTA Fillapex, MTAe, and MTAe-HA. The filled slices were stored in a PBS solution (pH 7.2) for 7 days at 37 °C. A push-out assessment was performed with a 0.7 mm plunger tip. Load was applied at a crosshead speed of 0.5 mm/min until sealer displacement. The results were expressed in MPa. The Kruskal-Wallis test was applied to assess the effect of each sealer on the push-out bond strength. Mann-Whitney with Bonferroni correction was used to isolate the differences. The alpha-type error was set at 0.05. Significant differences among medians values obtained by materials were observed (p<0.001). AH Plus displayed the highest value of bond strength (p<0.001). In contrast, MTA Fillapex presented the lowest bond strength among all tested sealers (p<0.001). Experimental sealers showed intermediary bond strength values, with no statistical differences between them (p>0.05). In conclusion, experimental root canal sealers presented suitable bond strength outcomes when compared to MTA Fillapex.

scholarly journals Resin push-out bonding strength to root canal dentin: effect of the irrigation solution application prior to post cementation

2017 ◽  
Vol 20 (2) ◽  
pp. 85 ◽  
Author(s):  
Silvia Michida ◽  
Amanda Maria de Oliveira Dal Piva ◽  
João Paulo Mendes Tribst ◽  
Rodrigo Othávio Assunção Souza ◽  
Geraldo Lombardo ◽  
...  
Keyword(s):  
Bond Strength ◽  
Root Canal ◽  
Adhesive System ◽  
Resin Cement ◽  
Fiber Post ◽  
Root Canals ◽  
Irrigation Solution ◽  
Root Canal Dentin ◽  
Push Out ◽  
Resin Bonding

<p><strong>Objective</strong>: To evaluate the effect of different irrigation solutions prior to post cementation on the resin bonding to bovine root dentine. <strong>Material</strong> <strong>and</strong> <strong>Methods</strong>: 60 bovine roots (16 mm) were prepared to 12 mm with specific drill of a double-tapered fiber post system, included in PMMA, and divided into 6 groups, considering the irrigation solutions (IS) prior to cementation: Gr1- saline solution (control), Gr2- NaOCl 0.5 %, Gr3- NaOCl 1 %, Gr4- NaOCl 2.5 %, Gr5- NaOCl 5 %, Gr6- Chlorexidine 2 % (solution). The root canals were irrigated with IS 20 ml during 10 min. Then they were rinsed with 20 ml of distilled water and dried with paper points. One fiber post was molded with polyvinylsiloxane and 60 posts made of resin cement (PRC) were obtained moments before the cementation. The root canal dentin was etched with H<sub>2</sub>PO<sub>3</sub> 37 %/15 s + washing/drying, a multi-bottle etch&amp;rinse adhesive system was applied and the PRC were resin luted with dual resin cement (DuolinkTM, Bisco). Each specimen was cut into 4 slices of ±1.8mm in thickness and submitted to push-out test (1 mm/min). <strong>Results</strong>: ANOVA showed that bond strength was significantly affected by IS (P&lt;0.0001). The highest bond strengths (MPa) were those for the groups 4 (3.51 ± 1.52) and 5 (3.0 ± 1.16). The groups 1 (0.70 ± 0.30), 2 (0.80 ± 0.24), 3 (1.26 ± 0.57) and 6 (0.90 ± 0.41) were statistically similar to each other. <strong>Conclusion</strong>: The resin bonding to the root dentine was higher when higher concentrations of hypochlorite solutions were used.</p><p><strong>Keywords</strong></p><p>Bond strength; Irrigation solutions; Push-out test; Resin cement; Root canal dentin.</p>

Effect of ultrasonic and sonic activation of root canal sealers on the push-out bond strength and interfacial adaptation to root canal dentine

2017 ◽  
Vol 51 (1) ◽  
pp. 102-111 ◽  
Author(s):  
P. E. B. Wiesse ◽  
Y. T. Silva-Sousa ◽  
R. D. Pereira ◽  
C. Estrela ◽  
L. M. Domingues ◽  
...  
Keyword(s):  
Bond Strength ◽  
Root Canal ◽  
Sonic Activation ◽  
Root Canal Sealers ◽  
Push Out

scholarly journals Evaluation of dentinal tubule penetration depth and push-out bond strength of AH 26, BioRoot RCS, and MTA Plus root canal sealers in presence or absence of smear layer

2018 ◽  
Vol 12 (4) ◽  
pp. 294-298 ◽  
Author(s):  
Sevinç Aktemur Türker ◽  
Emel Uzunoğlu ◽  
Nuhan Purali
Keyword(s):  
Bond Strength ◽  
Penetration Depth ◽  
Root Canal ◽  
Smear Layer ◽  
Dentinal Tubule ◽  
Limited Effect ◽  
Gutta Percha ◽  
Tubule Penetration ◽  
Root Canal Sealers ◽  
Push Out

Background.This study compared the effect of smear layer on the penetration depth and push-out bond strength of various root canal sealers. Methods.A total of 90 extracted human mandibular premolars were assigned into 2 groups: smear layer preserved and smear layer removed. Then the roots were further divided into 3 subgroups according to the sealer tested: AH 26, BioRoot RCS and MTA Plus. Obturation was performed with gutta-percha and the relevant sealer was mixed with 0.1% rhodamine B. Three 1-mm-thick slices were obtained from the mid-third area of each root. Two slices were selected for the push-out test and the remaining slice was used to calculate the dentinal tubule penetration depth and percentage. Results.The retention of MTA Plus and BioRoot RCS was higher than that of AH 26 when the smear layer was preserved (P<0.05). BioRoot RCS showed the lowest penetration depth when the smear layer was removed (P<0.05). Conclusion.Dentinal tubule penetration of root canal sealers had a limited effect on their adhesion to root canal wall.

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