1
|
Omar N, Abdelraouf RM, Hamdy TM. Effect of different root canal irrigants on push-out bond strength of two novel root-end filling materials. BMC Oral Health 2023; 23:193. [PMID: 37009885 PMCID: PMC10068155 DOI: 10.1186/s12903-023-02858-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 03/06/2023] [Indexed: 04/04/2023] Open
Abstract
BACKGROUND The aim of this in vitro study was to evaluate push-out bond strength of different root-end filling materials using various irrigant solutions. METHODS A push-out bond strength test was performed to evaluate the bond strength of two experimental root-end filling materials: namely, nano-hybrid mineral trioxide aggregate (MTA) and polymethyl methacrylate (PMMA) cement filled with 20% weight nano hydroxyapatite (nHA) fillers compared to conventional MTA. The irrigant solutions employed were sodium hypochlorite (NaOCl) in concentrations 1%, 2.5% and 5.25% and 2% chlorhexidine gluconate (CHX) followed by application of 17% ethylene diamine tetra-acetic acid (EDTA). A freshly extracted sixty single-rooted human maxillary central incisors were used. The crowns were removed, the canal apex was widened to simulate immature teeth. Each type of irrigation protocols was performed. After application and setting of the root-end filling materials, a slice of one mm thickness was cut transversely from the apical end of each root. Specimens were stored for 1 month in artificial saliva and were subjected to a push-out test to evaluate the shear bond strength. Data were analyzed using two-way ANOVA and Tukey test. RESULTS The experimental nano-hybrid MTA showed the highest significant push-out bond strength values when irrigated by NaOCl at several concentrations (1%, 2.5% and 5.25%) (P< 0.05). Meanwhile, irrigation with 2% CHX resulted in highest bond strength values in nano-hybrid white MTA (18 MPa) and PMMA filled with 20% weight nHA (17.4 MPa) with nonsignificant difference between them (p = 0.25). In each root-end filling material, irrigation with 2% CHX led to the highest significant bond strength, followed by NaOCl 1%, while the least significant bond strength was produced after irrigation with NaOCl 2.5% and 5.25% (P< 0.05). CONCLUSION Considering the limitations of this study, it may be concluded that the application of 2% CXH and 17% EDTA provides superior push-out bond strength to root canal dentin compared with irrigation with NaOCl irrigants and 17% EDTA, experimental nano-hybrid MTA root-end filling material provides enhanced shear bond strength than conventional micron-sized MTA root-end filling material.
Collapse
Affiliation(s)
- Nada Omar
- Restorative and Dental Materials Department, Oral and Dental Research Institute, National Research Centre (NRC), Giza, Dokki, 12622, Egypt
| | - Rasha M Abdelraouf
- Biomaterials Department, Faculty of Dentistry, Cairo University, Cairo, 11553, Egypt
| | - Tamer M Hamdy
- Restorative and Dental Materials Department, Oral and Dental Research Institute, National Research Centre (NRC), Giza, Dokki, 12622, Egypt.
| |
Collapse
|
2
|
Durán CR, Gancedo-Caravia DL, González VV, Losada CG. Push out bond strength of hydraulic cements used at different thicknesses. BMC Oral Health 2023; 23:81. [PMID: 36750823 PMCID: PMC9906962 DOI: 10.1186/s12903-023-02758-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 01/22/2023] [Indexed: 02/09/2023] Open
Abstract
BACKGROUND The aim of this study was to compare the pushout bond strength (POBS) of three hydraulic cements, when used at thicknesses of 3 and 5 mm. METHODS 78 root slices of 3 and 5 mm of thickness were obtained from human teeth. Cylindrical cavities of 1.4 mm of diameter were drilled and filled with Biodentine (BD), Totalfill Root Repair paste (TF) or ProRoot MTA White (PMTA). Pushout tests were performed 21 days later. The fracture pattern of each sample was also analyzed. POBS data were analyzed with Welch and Brown-Forsythe and Tamhane's post hoc tests and a Weibull analysis was also performed. RESULTS In the 3 mm group, TF showed significantly lower bond strength than BD and PMTA. In the 5 mm group, BD showed significantly higher bond strength than TF. Both BD and TF showed higher bond strength when the thickness of the sample increased, while PMTA did not. CONCLUSIONS TF and BD achieve higher pushout bond strength resistance when used at a thickness of 5 mm than at 3 mm, while the mean resistance of PMTA is less influenced by the thickness. At 5 mm of thickness, BD and PMTA exhibit similar resistance to displacement. However, the behavior of BD is more predictable than that of its predecessor. BD is a reliable hydraulic cement for clinical situations where thick cavities need to be filled and displacement resistance plays an important role. Clinicians need to consider choosing specific hydraulic cements according to the thickness of material to be used.
Collapse
Affiliation(s)
- C. Ruiz Durán
- grid.4795.f0000 0001 2157 7667Department of Consevative and Prosthetic Dentistry, School of Dentistry, Complutense University, Pza de Ramón y Cajal s/n, Ciudad Universitaria, 28040 Madrid, Spain
| | - Dra L. Gancedo-Caravia
- grid.4795.f0000 0001 2157 7667Department of Consevative and Prosthetic Dentistry, School of Dentistry, Complutense University, Pza de Ramón y Cajal s/n, Ciudad Universitaria, 28040 Madrid, Spain
| | - V. Vera González
- grid.4795.f0000 0001 2157 7667Department of Consevative and Prosthetic Dentistry, School of Dentistry, Complutense University, Pza de Ramón y Cajal s/n, Ciudad Universitaria, 28040 Madrid, Spain
| | - C. González Losada
- grid.4795.f0000 0001 2157 7667Department of Consevative and Prosthetic Dentistry, School of Dentistry, Complutense University, Pza de Ramón y Cajal s/n, Ciudad Universitaria, 28040 Madrid, Spain
| |
Collapse
|
3
|
Effectiveness of different cleaning measures on the bonding of resin cement to saliva-contaminated or blood-contaminated zirconia. J Dent 2022; 120:104084. [DOI: 10.1016/j.jdent.2022.104084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 02/27/2022] [Accepted: 03/02/2022] [Indexed: 11/19/2022] Open
|
4
|
Alipour M, Faraji Gavgani L, Ghasemi N. Push-out bond strength of the calcium silicate-based endodontic cements in the presence of blood: A systematic review and meta-analysis of in vitro studies. Clin Exp Dent Res 2022; 8:571-582. [PMID: 35220692 PMCID: PMC9033536 DOI: 10.1002/cre2.546] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 01/29/2022] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVES The push-out bond strength (POBS) of calcium silicate-based cements (CSCs) to the dentinal wall is considered one of the essential physical properties for clinical success. The presence of blood in the treatment area affects the POBS of these types of cement. This study aimed to evaluate the impact of blood contamination on the bond strength of CSCs and dentinal walls. MATERIAL AND METHODS This systematic review was performed by searching electronic databases (MEDLINE-PubMed, Scopus, and EMBASE) to include relevant in vitro studies published between 1992 and April 2020. Two reviewers independently evaluated the selected studies and extracted data on the type of studied CSCs, evaluated area of the teeth, sample size, the dimension of a prepared area, slice thickness, storage duration, the setting of the universal testing machine (UTM), effects of blood contamination on POBS of CSCs and their failure modes. The bond strength of evaluated CSCs in studies was used for network meta-analysis. RESULTS Initial searches identified 292 articles, while only 13 articles met the inclusion criteria. Full texts of these articles were evaluated, and data extraction was performed. The effect of blood contamination on bond strength to the dentinal wall was assessed in various CSCs such as PMTA, Biodentine, and AMTA. The network meta-analysis results showed that the bond strength of Biodentine was significantly higher than other types of cement in blood presence (p < .05). CONCLUSIONS Based on the current systematic review, despite controversies among the result of the different articles and the lack of data for some CSCs like bioaggregate, it could be concluded that the bond strength of Biodentine to the dentinal wall is better than other evaluated CSCs in the presence of blood.
Collapse
Affiliation(s)
- Mahdieh Alipour
- Dental and Periodontal Research Center, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Leili Faraji Gavgani
- Department of Statistics and Epidemiology, Faculty of Health, Tabriz University of Medical Sciences, Tabriz, Iran.,Research Center for Evidence Based Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Negin Ghasemi
- Dental and Periodontal Research Center, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Endodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| |
Collapse
|
5
|
The effect of different chelators on the dislodgement resistance of MTA Repair HP, MTA Angelus, and MTA Flow. Odontology 2022; 110:20-26. [PMID: 34129116 DOI: 10.1007/s10266-021-00627-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 06/10/2021] [Indexed: 12/31/2022]
Abstract
The aim of this study was to investigate the influence of various irrigants on the dislodgement resistance of MTA Repair HP, MTA Angelus, and MTA Flow to root dentin. Three slices (1.0 ± 0.1 mm) were prepared from the middle third of 20 human maxillary anterior teeth. On each dentin disc, three perpendicular simulated perforation holes with a standardized 0.8 mm diameter were created. The sections from the same root were distributed arbitrarily into three groups (n = 20) for smear layer removal procedure: ethylenediaminetetraacetic acid (EDTA), chitosan-based silver nanoparticles (AgNPs-chitosan), and maleic acid (MA). Afterwards, the holes were randomly filled with one of the three investigated cements. The samples were submitted to the push-out test using a universal measuring system. Kruskal-Wallis and Mann-Whitney U tests were used to assess statistical differences among the groups. When the results were evaluated, it was found that the types of cement and chelating agents significantly affected the dislocation resistance (P < 0.05). EDTA provided a higher dislocation resistance with the investigated cements in comparison to MA and AgNPs-chitosan (P < 0.05). Furthermore, it was observed that MTA Flow and MTA Angelus presented improved dislocation resistance values than the MTA Repair HP when used with EDTA (P < 0.05). The findings indicated that EDTA increased the dislodgement resistance of the investigated cements. In conclusion, when EDTA used, MTA Flow, and MTA Angelus showed higher dislocation resistance values.
Collapse
|
6
|
Rebolloso de Barrio E, Pérez-Higueras JJ, García-Barbero E, Gancedo-Caravia L. Effect of exposure to etidronic acid on the bond strength of calcium silicate-based cements after 1 and 21 days: an in vitro study. BMC Oral Health 2021; 21:591. [PMID: 34798880 PMCID: PMC8603527 DOI: 10.1186/s12903-021-01959-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 11/09/2021] [Indexed: 11/30/2022] Open
Abstract
Background After reparation of root perforations with calcium silicate-based cements (CSBC), the surface of the material is expected to be exposed to root canal irrigants (RCI) while resuming the root canal treatment. Methods The aim of this study was to compare the effect of exposure to a mixture of sodium hypochlorite (NaOCl) and etidronic acid (HEBP) or other irrigants on the Push Out Bond Strength (POBS) of CSBC after two different setting times. 240 root slices 1 mm thick were obtained from single-rooted human teeth. A 1.4 mm diameter perforation was performed on each slice and filled with Biodentine (BD) or ProRoot MTA (PMTA). After 1 or 21 days they were exposed to 17% ethylenediaminetetraacetic acid, 5.25% NaOCl, a mixture of 5.25% NaOCl and 9% HEBP (NaOCl + HEBP) or saline (n = 15) and submitted to a push-out test. POBS results were analysed with ANOVA and Tukey tests. Results BD showed higher POBS than PMTA after 1 day (p < .05). After 21 days no differences were found between materials. After 1 day exposure to NaOCl + HEBP resulted in higher POBS, compared to the other irrigants (p < .05). Conclusion POBS results are influenced by the cement, the setting time and the exposure to irrigants.
Collapse
Affiliation(s)
- Elena Rebolloso de Barrio
- Department of Conservative and Prosthetic Dentistry, School of Dentistry, Complutense University, Pza. Ramon y Cajal, s/n. Ciudad Universitaria, 28040, Madrid, Spain
| | - Juan José Pérez-Higueras
- Department of Conservative and Prosthetic Dentistry, School of Dentistry, Complutense University, Pza. Ramon y Cajal, s/n. Ciudad Universitaria, 28040, Madrid, Spain.
| | - Ernesto García-Barbero
- Department of Conservative and Prosthetic Dentistry, School of Dentistry, Complutense University, Pza. Ramon y Cajal, s/n. Ciudad Universitaria, 28040, Madrid, Spain
| | - Lucía Gancedo-Caravia
- Department of Conservative and Prosthetic Dentistry, School of Dentistry, Complutense University, Pza. Ramon y Cajal, s/n. Ciudad Universitaria, 28040, Madrid, Spain
| |
Collapse
|
7
|
Influence of Blood Contamination on Push-Out Bond Strength of Three Calcium Silicate-Based Materials to Root Dentin. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11156849] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A proper bond between root canal filling materials and dentin surface is essential to resist dislodgement and guarantee long-term success. Blood exposure is likely to occur in various clinical situations in which calcium silicate-based materials are used; therefore, it is fundamental to render data concerning the influence of blood on bond strength. The present study aims to evaluate the effect of blood contamination on the push-out bond strength obtained with three different biomaterials to root canal dentin; Ninety extracted human mono-radicular permanent teeth were selected. The root canals were prepared with Gates Glidden burs until a diameter of 1.10 mm was achieved. Teeth were then randomly divided into six experimental groups (n = 15) according to the presence/absence of blood contamination and biomaterial used for root canal filling (ProRoot® MTA, BiodentineTM, and TotalFill® BC Putty). After one week, each root was sectioned in three segments (coronal, middle, and apical regions). Specimens were then submitted to push-out bond strength tests. Fracture pattern evaluation was performed. The significance level was set at 5%.; Blood contamination did not affect the push-out bond strength of any of the three tested calcium silicate-based cements (p > 0.05). Regardless of blood contamination, TotalFill showed statistically higher push-out bond strength when compared with Biodentine (p = 0.040) and MTA (p = 0.004). Biodentine exhibited higher bond strength than MTA (p = 0.043). Biomaterials’ comparison within each radicular segment revealed statistically superior bond strength of both Biodentine and TotalFill over MTA (p < 0.05) in the coronal segment. TotalFill presented higher push-out bond strength regarding the apical segment compared to Biodentine (p = 0.003). Fractures were mostly adhesive.; Overall results indicate TotalFill presents the highest push-out bond strength values, followed by Biodentine and, lastly, MTA. Blood contamination did not affect the dislodgement resistance. Biomaterials’ comparison within each radicular segment revealed both TotalFill and Biodentine as the preferable alternatives for application in the coronal region. TotalFill might be the biomaterial of choice for placement in the apical region.
Collapse
|
8
|
Effect of exposure to root canal irrigants on the push-out bond strength of calcium silicate-based cements. Clin Oral Investig 2020; 25:3267-3274. [PMID: 33118077 DOI: 10.1007/s00784-020-03658-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/22/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVES The aim of this study was to compare the push-out bond strength (POBS) of three calcium silicate-based cements (CSBC) after exposure to saline, sodium hypochlorite (NaOCl), ethylenediaminetetraacetic acid (EDTA), and a mixture of NaOCl and etidronic acid (NaOCl+HEBP) in simulated perforation. MATERIALS AND METHODS A total of 180 dentin slices were perforated and then filled with either Biodentine (BD), ProRoot MTA (PMTA), or Total Fill (TF). After 1 week, specimens in each group were divided into 4 subgroups (n = 15) according to the root canal irrigant (RCI) that their coronal surface was exposed to: saline, 5.25% NaOCl, 17% EDTA, or a mixture of 5.25% NaOCl and 9% HEBP (NaOCl+HEBP). A push-out test was performed, and the failure pattern was assessed. POBS data were analyzed with ANOVA and Tukey post hoc tests and the failure patterns with chi-square test. RESULTS No differences were found when comparing the effect of RCI on the POBS of PMTA. BD showed significantly higher POBS values after exposure to NaOCl+HEBP (p < .05), and those of TF were significantly lower after exposure to EDTA (p < .05). No differences in the failure patterns were found among groups. CONCLUSION NaOCl+HEBP had no detrimental effect on the POBS of CSBC. CLINICAL RELEVANCE The mixture of sodium hypochlorite and etidronic acid may be considered as an alternative irrigant when treating root perforations.
Collapse
|
9
|
Grazziotin-Soares R, Dourado LG, Gonçalves BLL, Ardenghi DM, Ferreira MC, Bauer J, Carvalho CN. Dentin Microhardness and Sealer Bond Strength to Root Dentin are Affected by Using Bioactive Glasses as Intracanal Medication. MATERIALS 2020; 13:ma13030721. [PMID: 32033430 PMCID: PMC7040687 DOI: 10.3390/ma13030721] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 11/12/2019] [Accepted: 11/19/2019] [Indexed: 01/29/2023]
Abstract
This study investigated the human dentin microhardness (MH) and the MTA Fillapex® (Fillapex) and AH Plus®(AH) bond strength (BS) to dentin after using calcium hydroxide (Ca(OH)2) and bioactive glasses (45S5 and an experimental niobium phosphate bioactive glass (NbG)) as intracanal medications. For the MH test dentin slices were filled with medications and were submitted to Knoop MH (KHN) test (at day-0 (baseline data/without medication) and at day-15 (after using medication)). For the BS test, after medications had remained for 15 days in the roots, dentin slices were obtained and filled with the sealers. Seven days later, sealer BS to dentin was measured by push-out test (MPa). Data were statistically analyzed. Failure mode was visually assessed. The use of NbG, 45S5 for 15 days, increased the dentin MH and reduced the BS between AH sealer and dentin, but did not interfere with the Fillapex BS.
Collapse
Affiliation(s)
- Renata Grazziotin-Soares
- Department of Restorative Dental Sciences, College of Dentistry, University of Florida, Gainesville, FL 32610, USA (D.M.A.)
| | - Letícia Gomes Dourado
- School of Dentistry, CEUMA University, São Luís, 65065-470, Brazil; (L.G.D.); (B.L.L.G.); (M.C.F.)
| | | | - Diego Machado Ardenghi
- Department of Restorative Dental Sciences, College of Dentistry, University of Florida, Gainesville, FL 32610, USA (D.M.A.)
| | - Meire Coelho Ferreira
- School of Dentistry, CEUMA University, São Luís, 65065-470, Brazil; (L.G.D.); (B.L.L.G.); (M.C.F.)
| | - José Bauer
- Discipline of Dental Materials, School of Dentistry, University Federal of Maranhão (UFMA), São Luis 5085-582, Brazil
- Correspondence: (C.N.C.); (J.B.); Tel.: +55-98-98117-0078 (C.N.C.)
| | - Ceci Nunes Carvalho
- School of Dentistry, CEUMA University, São Luís, 65065-470, Brazil; (L.G.D.); (B.L.L.G.); (M.C.F.)
- Correspondence: (C.N.C.); (J.B.); Tel.: +55-98-98117-0078 (C.N.C.)
| |
Collapse
|