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Barros APO, Costa JLDSG, de Melo AC, Galvani LD, Dantas AAR, Kuga MC. Evaluation of bond strength in customizing fiber post using translucent resins photoactivated by different light-emitting diodes. JOURNAL OF CONSERVATIVE DENTISTRY AND ENDODONTICS 2024; 27:408-413. [PMID: 38779204 PMCID: PMC11108413 DOI: 10.4103/jcde.jcde_14_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 02/15/2024] [Accepted: 02/26/2024] [Indexed: 05/25/2024]
Abstract
Aims The objective of the study was to evaluate two translucent resin composite systems for customizing light-polymerized fiber posts with light-emitting diode (LED) curing units regarding adhesion using conventional cement at 24 h and 6 months. Settings and Design This was an experimental in vitro study. Methods Forty roots were prepared and divided into four groups (n = 10): ZV-Z350 resin and LED Valo; ZR-Z350 resin and LED Radii-Cal; OV-Opallis resin and LED Valo; and OR-Opallis resin and LED Radii-Cal. The fiber post was customized and cemented with conventional resin cement and was photoactivated by two different sources. Statistical Analysis Used The data were subjected to two-way ANOVA and Tukey's post hoc tests (P = 0.05). The data regarding the pattern of adhesive failures were described in terms of the frequency of occurrence in each third of the postspace. Results Both at 24 h and 6 months, bond strength among groups was similar, regardless of the analyzed postspace 3rd (P > 0.05). Adhesive failure Type 4 was the most frequent in all thirds. Conclusions Customizing the fiber post with Z350 and Opallis has the same effect on bond strength and adhesive failure pattern, regardless of the LED curing units used for photopolymerization.
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Affiliation(s)
- Antonia Patricia O. Barros
- Department of Restorative Dentistry, School of Dentistry, São Paulo State University – UNESP, Araraquara, SP, Brazil
| | - Joatan Lucas de Sousa Gomes Costa
- Department of Restorative Dentistry, School of Dentistry, São Paulo State University – UNESP, Araraquara, SP, Brazil
- Department of Restorative Dentistry, School of Dentistry, Federal University of Minas Gerais – UFMG, Belo Horizonte, MG, Brazil
| | | | - Lucas David Galvani
- Department of Restorative Dentistry, School of Dentistry, São Paulo State University – UNESP, Araraquara, SP, Brazil
| | - Andrea Abi Rached Dantas
- Department of Restorative Dentistry, School of Dentistry, São Paulo State University – UNESP, Araraquara, SP, Brazil
| | - Milton Carlos Kuga
- Department of Restorative Dentistry, School of Dentistry, São Paulo State University – UNESP, Araraquara, SP, Brazil
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Alzahrani AH, Ebrahim MI, Felemban MF, Alqarni AA, Algahtani FS, Shawli HT, Humayyani NA, Meshni AA, Al Moaleem MM. Nanoparticle Augmentation of Adhesive Systems: Impact on Tensile Strength in Fiberglass Post Placement within Root Dentin. Med Sci Monit 2024; 30:e943502. [PMID: 38515376 PMCID: PMC10941630 DOI: 10.12659/msm.943502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 01/12/2024] [Indexed: 03/23/2024] Open
Abstract
BACKGROUND Modification of the glass fiber post (GFP) with titanium dioxide or silver particles can improve the durability and reliability of dental treatments for ensuring long-term success. This research assessed the tensile bond strength (TBS) of an adhesive system used for cementing GFPs into root dentin following the incorporation of nanoparticles of titanium dioxide (NTiO2) and silver (NAg). MATERIAL AND METHODS Sixty human maxillary canines were prepared to create a 10-mm intra-radicular space for post placement from the cementoenamel junction. The specimens were randomly allocated into 2 groups (a non-thermocycling group and a thermocycling group). Each group was divided into 3 subgroups (10 samples each) according to the adhesive system used (adhesive system devoid of any addition, adhesive system including 1% NAg, and adhesive system infused with 1% NTiO2). TBS tests were conducted and recorded in MPa using a Universal Testing Machine, with an axial load applied at a rate of 0.5 mm/min until failure. The TBS for both groups (non-thermocycling and thermocycling) was measured in megapascals (MPa), and the failure type was recorded. The data were statistically analyzed using one-way analysis of variance (ANOVA) and Tukey's test with P.
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Affiliation(s)
| | - Mohamed Ismail Ebrahim
- Faculty of Dental Medicine, Al Azher University (Boys), Cairo, Egypt
- Department of Restorative Dentistry, Faculty of Dentistry, Taif University, Taif, Saudi Arabia
| | - Mohammed Fareed Felemban
- Department of Maxillofacial Surgery and Diagnostic Science, Faculty of Dentistry, Taif University, Taif, Saudi Arabia
| | - Ali Abdullah Alqarni
- Department of Oral & Maxillofacial Surgery and Diagnostic Sciences, Faculty of Dentistry, Taif University, Taif, Saudi Arabia
| | - Fahad Saeed Algahtani
- Department of Restorative Dentistry, Faculty of Dentistry, Taif University, Taif, Saudi Arabia
| | - Hassan Talat Shawli
- Department of Restorative Dentistry, Faculty of Dentistry, Taif University, Taif, Saudi Arabia
| | - Nouf Al Humayyani
- Department of Prosthodontics, Faculty of Dentistry, Taif University, Taif, Saudi Arabia
| | - Abdullah A. Meshni
- Department of Prosthetic Dental Science, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Mohammed M. Al Moaleem
- Department of Prosthetic Dental Science, College of Dentistry, Jazan University, Jazan, Saudi Arabia
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Lima RO, Barros APO, Alencar CDM, Pereira KDF, Galvani LD, Vaz LG, Campos EAD, Kuga MC. Influence of using different translucent composite resins for customizing fiber post on the bond strength of self-adhesive cement to root dentin. Dent Mater J 2024; 43:112-118. [PMID: 38072411 DOI: 10.4012/dmj.2023-184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
This study evaluated the influence of different translucent resins (Z350 and Opallis) for customizing fiber posts and light-curing the cementation system using different LED equipment (V, Valo or R, Radii-Cal) on the bond strength and adhesive failure pattern at 24 h and 6 months. Eighty roots were prepared and divided into 4 groups (n=20): ZV (Z350 resin and LED Valo), ZR (Z350 resin and LED Radii-Cal), OV (Opallis resin and LED Valo), OR (Opallis resin and LED Radii-Cal). After post space preparation, the fiber post was customized and cemented with self-adhesive cement and light-curing using V or R LED equipment. Bond strength values were submitted to 2-way ANOVA test. ZV and ZR showed higher bond strength values than the other groups at 6 months of evaluation (p<0.05). The Z350 resin has a favorable influence on the bond strength of self-adhesive cement to root dentin, regardless of the LED polymerization equipment used.
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Affiliation(s)
- Reinaldo Oliveira Lima
- Department of Operative Dentistry, Araraquara Dental School, São Paulo State University (UNESP)
| | | | - Cristiane De Melo Alencar
- Department of Restorative Dentistry, School of Dentistry, University Center of the State of Pará (CESUPA)
| | | | - Lucas David Galvani
- Department of Operative Dentistry, Araraquara Dental School, São Paulo State University (UNESP)
| | - Luís Geraldo Vaz
- Department of Dental Materials and Prosthetics Araraquara Dental School, São Paulo State University (UNESP)
| | - Edson Alves De Campos
- Department of Operative Dentistry, Araraquara Dental School, São Paulo State University (UNESP)
| | - Milton Carlos Kuga
- Department of Operative Dentistry, Araraquara Dental School, São Paulo State University (UNESP)
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Barros APO, de Melo Alencar C, Zambon M, de Andrade MF, Fernández E, Kuga MC. Etch-and-rinse versus self-etch strategy of a universal adhesive in different application methods at the bonding interface of fiber post cementation. J ESTHET RESTOR DENT 2023; 35:1249-1256. [PMID: 37218614 DOI: 10.1111/jerd.13068] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 05/10/2023] [Accepted: 05/11/2023] [Indexed: 05/24/2023]
Abstract
OBJECTIVE To evaluate the effect of etch-and-rinse (ER) versus self-etch (SE) strategies of a universal adhesive applied with a manual brush (MB) or rotary brush (RB) on the bonding interface of fiber post cementation. METHODS Forty bovine incisor roots were prepared and divided into four groups according to the methods of application and strategy of universal adhesive use (MB-ER, RB-ER, MB-SE and RB-SE). After 6 months, specimens from different thirds of the post space were evaluated of push-out strength, analysis of adhesive failure patterns, and extent of tags. RESULTS The RB-ER and RB-SE groups showed the highest bond strength values in the cervical and middle thirds of the post space. Cohesive adhesive failure had the highest incidence in the different thirds of the post space in the ER strategy, regardless of the adhesive application method. The RB-ER group showed the highest tag extensions. CONCLUSIONS The protocols of universal adhesive application with RB provided the greater bond strength, but only the ER strategy favored the formation of a greater extension of tags at the adhesive interface. CLINICAL SIGNIFICANCE The application of universal adhesive with RB into the post space increases the strength of the post-cemented fiber bond.
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Affiliation(s)
| | - Cristiane de Melo Alencar
- Department of Restorative Dentistry, School of Dentistry, University Center of the State of Pará, Belém, Brazil
| | - Matheus Zambon
- Department of Operative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, Brazil
| | - Marcelo Ferrarezi de Andrade
- Department of Operative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, Brazil
| | - Eduardo Fernández
- Instituto de Ciencias Biomédicas, Universidad Autonoma de Chile, Santiago, Chile
| | - Milton Carlos Kuga
- Department of Operative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, Brazil
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Alencar CDM, Zaniboni JF, Besegato JF, Barros APO, Gélio MB, Belizário LG, Godoy EMF, Kuga MC. Effect of irrigation acid solutions on cleaning and bond strength to post-space dentin. Eur J Oral Sci 2023; 131:e12939. [PMID: 37294053 DOI: 10.1111/eos.12939] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 05/25/2023] [Indexed: 06/10/2023]
Abstract
This study evaluated the effects of irrigating solutions containing 5% boric acid + 1% citric acid or 1% peracetic acid + high concentration hydrogen peroxide on root cleaning and bond strength of cementation systems after 24 h and 6 months of glass fiber post cementation. One hundred and twenty roots were endodontically treated. The specimens were randomized into one of four treatments (n = 10): DW (distilled water); NaOCl2.5% + EDTA17% (2.5% sodium hypochlorite solution + 17% EDTA); PA1% + HP (1% peracetic acid solution + high concentration of hydrogen peroxide); BA5% + CA1% (5% boric acid associated with 1% citric acid). The cleaning efficacy in the cervical, middle, and apical thirds of the post-space, and the push-out bond strength at 24 h and 6 months after post cementation were evaluated by Kruskal-Wallis and two-way ANOVA tests, respectively. BA5% + CA1% showed statistically significantly superior cleaning efficacy compared to the other solutions. This irrigation protocol also resulted in higher bond strength at 24 h and 6 months, regardless of the root third considered, and this was statistically significantly higher than those seen for DW and PA1% + HP. For BA5% + CA1% irrigation protocol, type 1 adhesive failure was the most prevalent. Post-space irrigation with BA5% + CA1% provided both higher cleaning efficacy and better bond strength.
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Affiliation(s)
- C de Melo Alencar
- Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | - J Ferrari Zaniboni
- Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | - J Felipe Besegato
- School of Dentistry, Federal University of Mato Grosso do Sul (UFMS), Campo Grande, Mato Grosso do Sul, Brazil
| | - A Patricia Oliveira Barros
- Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | - M Bena Gélio
- Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | - L Garcia Belizário
- Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | | | - M Carlos Kuga
- Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
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Galvani LD, Costa JLDSG, Besegato JF, Zaniboni JF, Escalante-Otárola WG, Kuga MC. Influence of agitation methods of irrigants after methylene blue-mediated PDT on the bonding interface of a fiber post cementation system. Photodiagnosis Photodyn Ther 2022; 37:102708. [PMID: 34971820 DOI: 10.1016/j.pdpdt.2021.102708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 12/09/2021] [Accepted: 12/27/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND This study evaluated the effects of final agitation methods of irrigants to remove methylene blue and sodium hypochlorite residues after PDT-assisted endodontic treatment on the bond strength of fiber posts cemented with etch-and-rinse adhesive and conventional resin cement. METHODS Ninety bovine teeth were endodontically treated. In sequence, post space preparation followed by methylene blue-mediated PDT and sodium hypochlorite (NaOCl) irrigation were performed. Six final irrigations protocols for dye and NaOCl removal were performed prior to cementation with etch-and-rinse adhesive (Adper Scocthbond Multipurpose) and conventional dual resin cement (RelyX ARC): Conventional endodontic irrigation (CEI), passive ultrasonic irrigation (PUI), mechanical agitation with XP Endo Finisher (XPF), XP Clean (XPC) or Easy Clean (ECL) and distilled water (NCO - control). After fiber post cementation, push-out bond strength test was performed at different thirds of the post space. Failure mode was also analyzed. ANOVA and Tukey's post-hoc test was used for data analysis (α=5%). RESULTS PUI, XPF e XPC protocols showed the highest bond strength values with no difference among them (p > 0.05), although they were similar to NCO, regardless of the post space third. CEI e ECL showed similar bond strength values, regardless of the third (p > 0.05). Adhesive failure was the most incident for CEI and ECL, while mixed and cohesive failures were predominant in PUI, XPF, XPC and NCO groups. CONCLUSIONS Mechanical agitation of distilled water with XPF, XPC and PUI after methylene blue-mediated PDT and irrigation with 2.5% sodium hypochlorite promoted bond strength of the resin cementation system in post space dentin comparable to control group.
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Affiliation(s)
- Lucas David Galvani
- Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University - UNESP, Araraquara, SP, Brazil.
| | | | - João Felipe Besegato
- Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University - UNESP, Araraquara, SP, Brazil.
| | - Joissi Ferrari Zaniboni
- Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University - UNESP, Araraquara, SP, Brazil.
| | | | - Milton Carlos Kuga
- Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University - UNESP, Araraquara, SP, Brazil.
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