Influence of Matrix Metalloproteinase Synthetic Inhibitors on Dentin Microtensile Bond Strength of Resin Cements

Stape, Ths; Menezes,; Barreto, Bcf; Aguiar, F.H.B.; Martins, Luís Roberto Marcondes; Quagliatto, Paulo Sérgio

doi:10.2341/11-256-l

Cited by 25 publications

(25 citation statements)

References 41 publications

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“…The results of this research demonstrated that the use of CHX did not affect the immediate bond strength, compared with the group that did not receive pre-treatment (control group), a result consistent with previous studies [2,14,17,20,21]. However, dentin irradiation with Nd:YAG negatively affected immediate and long-term bond strength to dentin.…”

Section: Discussionsupporting

confidence: 89%

Effect of chlorhexidine application or Nd:YAG laser irradiation on long-term bond strength of a self-etching adhesive system to dentin

et al. 2017

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Purpose This in vitro study aimed at evaluating the influence of Nd:YAG irradiation and chlorhexidine (CHX) application on immediate and long-term bond strength of a self-etching adhesive system to dentin. Methods Thirty fragments of dentin were randomly divided into three groups according to the treatment to be applied to the dentin surface prior to applying the self-etching adhesive system (n = 10): CHX:2% CHX application (60 s); Nd: YAG (100 mJ/20 Hz for 20 s); and NT: no treatment. The adhesive system (Clearfil SE Bond, Kuraray) was applied according to the manufacturer's instructions, and composite resin restorations were made on the dentin. After 24 h, at 37°C, the resin-tooth blocks were sectioned perpendicular to the adhesive interface in the form of sticks (0.8 mm 2 of adhesive area), and randomly subdivided into two groups according to the microtensile bond strength (μTBS) test periods: immediately or 6 months after storage in distilled water. The data were reported in MPa and submitted to two-way ANOVA for randomized blocks, followed by Tukey's test (α = 0.05). Results The group irradiated with an Nd:YAG laser presented the lowest bond strength means, regardless of the μTBS test period (24 h or 6 months) (p < 0.05). No statistical difference was observed in the μTBS means among the groups CHX and NT (p > 0.05), nor did time influence bond strength (p > 0.05). Conclusion Immediate and long-term bond strength was negatively affected by Nd:YAG irradiation, a condition not observed with 2% CHX solution application.

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Section: Discussionsupporting

confidence: 89%

Effect of chlorhexidine application or Nd:YAG laser irradiation on long-term bond strength of a self-etching adhesive system to dentin

et al. 2017

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“…The improvement of mechanical properties for RelyX Unicem with delayed light curing may be explained by increased contact of the material with moisture of the root dentin during the curing process. 48 Water plays a critical role in the effectiveness of a selfadhesive resin cement's curing process and bonding characteristics. 48 Additionally, the longer duration…”

Section: Discussionmentioning

confidence: 99%

Effect of Photoactivation Timing on the Mechanical Properties of Resin Cements and Bond Strength of Fiberglass Post to Root Dentin

Pereira

Valdivia

Bicalho

et al. 2015

Operative Dentistry

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“…They assumed that such precipitates work as a contaminant, precluding the interaction between mineralized dentin and the self‐adhesive cement RelyX U100 (3M ESPE, Seefeld, Germany) , and may explain the more porous interface between the named cement and dentin . However, while Di Hipólito and co‐workers observed simultaneous significant bond strength reduction in CHX‐treated groups , such reduction was not seen in another study using the same self‐adhesive cement . In addition, Lindblad and co‐workers found the highest immediate and long‐term post bond strength with CHX pretreatment using a related self‐adhesive cement, RelyX Unicem Aplicap (3M ESPE, Seefeld, Germany).…”

Section: Dentin Management: Chemical Treatments Altering the Integritmentioning

confidence: 96%

Chemical, microbial, and host‐related factors: effects on the integrity of dentin and the dentin–biomaterial interface

Carrilho¹,

Piveta²,

Tjäderhane³

2015

Endodontic Topics

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Dentin is the largest substrate available whenever restorative procedures are implemented on the exposed crown or root of teeth. In endodontics, restorative/obturating procedures are practically restricted to dentin. It is well recognized that the incidence of fracture in endodontically treated teeth is intrinsically related to the amount of remaining dentin. Ideally, it is expected that a gap‐free, solid interface can be formed between the restorative/obturating materials and root dentin, providing an impervious seal and, simultaneously, fracture resistance to root‐filled teeth. Over the past years, a number of new obturating biomaterials have been launched in the market, bringing to endodontists the expectation of achieving consistent sealing/reinforcing of the root canal system. However, the successful sealing of root dentin remains one of the greatest challenges in restorative dentistry. This article will focus on reviewing some factors that affect the formation and integrity of dentin–biomaterial interfaces from the perspective of the dentin substrate. Because other articles in preceding issues of Endodontic Topics have already covered dentin structure and composition, the objective here is not to review these aspects. Specific attention is given, however, to depicting how chemical treatments affect existing root filling/restorative mechanisms and how some microbial and host‐related aspects can compromise the interaction of dentin with new biomaterials.

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Influence of Matrix Metalloproteinase Synthetic Inhibitors on Dentin Microtensile Bond Strength of Resin Cements

Cited by 25 publications

References 41 publications

Effect of chlorhexidine application or Nd:YAG laser irradiation on long-term bond strength of a self-etching adhesive system to dentin

Effect of chlorhexidine application or Nd:YAG laser irradiation on long-term bond strength of a self-etching adhesive system to dentin

Effect of Photoactivation Timing on the Mechanical Properties of Resin Cements and Bond Strength of Fiberglass Post to Root Dentin

Chemical, microbial, and host‐related factors: effects on the integrity of dentin and the dentin–biomaterial interface

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