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HOME > Restor Dent Endod > Volume 40(4); 2015 > Article
Readers' Forum Simple methods to enhance bond strength of self-adhesive resin cements
Sung-Ae Son
2015;40(4):-333.
DOI: https://doi.org/10.5395/rde.2015.40.4.332
Published online: October 2, 2015

Pusan National University, Korea.

©Copyrights 2015. The Korean Academy of Conservative Dentistry.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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How can we improve the bond strength between resin cements and the tooth substrate when cementing indirect restorations with self-adhesive resin cements?
The use of self-adhesive resin cements is accomplished by a simple clinical step, in which the simultaneous demineralization/infiltration of the bonding substrate takes place. However, the self-adhesive resin cements have lower bond strength than conventional resin cements that rely on the application of etch-and-rinse adhesive systems.1,2,3 In order to increase the bond strength of the self-adhesive resin cements, we suggest the following clinical guidelines.
1. Acid-etch enamel with phosphoric acid selectively. The selective enamel etching can enhance microscopic irregularities produced by the stronger acid compared to that produced by the cement itself. However, remember "not" to etch dentin surface. It can produce thick collagen matrix that viscous cements cannot penetrate easily, thus leaving weak interface.2,3,4
2. Apply an additional coat of adhesive system. It provides hydrophilic character and high flow to the dentin, thus improving the limited penetration of the self-adhesive resin cements due to their high viscosity.3,5
3. Use mild etchant, such as polyacrylic acid and EDTA, as a cavity cleanser. It partially removes the smear layer, leaving the dentin mineral phase, thus enhancing the chemical reaction between the cement and the substrate. However, penetration potential into the smear layer removed surface depends on the viscosity of the self-adhesive resin cements.1,6
4. Avoid using chlorhexidine (CHX) prior to cementation. There are two mechanisms compromising bonding, chemically and physically. (1) the presence of chlorine suggests a chemical interference that hampers the resin cements' effectiveness in bonding with dentin when CHX solutions were used, and (2) the precipitates act as a physical barrier, limiting the resin cement's interaction with the surface, minimizing the potential for bonding.7
5. If you want to use sodium hypochlorite (NaOCl) during post cementation, we suggest relatively short time (5 - 15 seconds) of application to reduce the negative effect of super-oxide radicals generated by NaOCl. However, NaOCl eliminates organic components from the smear layer, increasing exposed mineral components and decreasing water content at the same time. This action of NaOCl may aid the hydrophobic self adhesive resin cements to chemically interact with hydroxyapatite and improve the surface wettability, leading to the establishment of adhesion to dentin.8
Readers' forum is edited by Professor Kyung-Mo Cho (Gangneung-Wonju National University).
  • 1. Spitznagel FA, Horvath SD, Guess PC, Blatz MB. Resin bond to indirect composite and new ceramic/polymer materials: a review of the literature. J Esthet Restor Dent 2014;26:382-393.ArticlePubMedPDF
  • 2. Ferracane JL, Stansbury JW, Burke FJ. Self-adhesive resin cements - chemistry, properties and clinical considerations. J Oral Rehabil 2011;38:295-314.ArticlePubMed
  • 3. Radovic I, Monticelli F, Goracci C, Vulicevic ZR, Ferrari M. Self-adhesive resin cements: a literature review. J Adhes Dent 2008;10:251-258.PubMed
  • 4. Pisani-Proença J, Erhardt MC, Amaral R, Valandro LF, Bottino MA, Del Castillo-Salmerón R. Influence of different surface conditioning protocols on microtensile bond strength of self-adhesive resin cements to dentin. J Prosthet Dent 2011;105:227-235.ArticlePubMed
  • 5. Barcellos DC, Batista GR, Silva MA, Rangel PM, Torres CR, Fava M. Evaluation of bond strength of self-adhesive cements to dentin with or without application of adhesive systems. J Adhes Dent 2011;13:261-265.PubMed
  • 6. Mazzitelli C, Monticelli F, Toledano M, Ferrari M, Osorio R. Dentin treatment effects on the bonding performance of self-adhesive resin cements. Eur J Oral Sci 2010;118:80-86.ArticlePubMed
  • 7. Di Hipólito V, Rodrigues FP, Piveta FB, Azevedo Lda C, Bruschi Alonso RC, Silikas N, Carvalho RM, De Goes MF, Perlatti D'Alpino PH. Effectiveness of self-adhesive luting cements in bonding to chlorhexidine-treated dentin. Dent Mater 2012;28:495-501.ArticlePubMed
  • 8. Kambara K, Nakajima M, Hosaka K, Takahashi M, Thanatvarakorn O, Ichinose S, Foxton RM, Tagami J. Effect of smear layer treatment on dentin bond of self-adhesive cements. Dent Mater J 2012;31:980-987.PubMed

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REFERENCES

  • 1. Spitznagel FA, Horvath SD, Guess PC, Blatz MB. Resin bond to indirect composite and new ceramic/polymer materials: a review of the literature. J Esthet Restor Dent 2014;26:382-393.ArticlePubMedPDF
  • 2. Ferracane JL, Stansbury JW, Burke FJ. Self-adhesive resin cements - chemistry, properties and clinical considerations. J Oral Rehabil 2011;38:295-314.ArticlePubMed
  • 3. Radovic I, Monticelli F, Goracci C, Vulicevic ZR, Ferrari M. Self-adhesive resin cements: a literature review. J Adhes Dent 2008;10:251-258.PubMed
  • 4. Pisani-Proença J, Erhardt MC, Amaral R, Valandro LF, Bottino MA, Del Castillo-Salmerón R. Influence of different surface conditioning protocols on microtensile bond strength of self-adhesive resin cements to dentin. J Prosthet Dent 2011;105:227-235.ArticlePubMed
  • 5. Barcellos DC, Batista GR, Silva MA, Rangel PM, Torres CR, Fava M. Evaluation of bond strength of self-adhesive cements to dentin with or without application of adhesive systems. J Adhes Dent 2011;13:261-265.PubMed
  • 6. Mazzitelli C, Monticelli F, Toledano M, Ferrari M, Osorio R. Dentin treatment effects on the bonding performance of self-adhesive resin cements. Eur J Oral Sci 2010;118:80-86.ArticlePubMed
  • 7. Di Hipólito V, Rodrigues FP, Piveta FB, Azevedo Lda C, Bruschi Alonso RC, Silikas N, Carvalho RM, De Goes MF, Perlatti D'Alpino PH. Effectiveness of self-adhesive luting cements in bonding to chlorhexidine-treated dentin. Dent Mater 2012;28:495-501.ArticlePubMed
  • 8. Kambara K, Nakajima M, Hosaka K, Takahashi M, Thanatvarakorn O, Ichinose S, Foxton RM, Tagami J. Effect of smear layer treatment on dentin bond of self-adhesive cements. Dent Mater J 2012;31:980-987.PubMed

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      Simple methods to enhance bond strength of self-adhesive resin cements
      Restor Dent Endod. 2015;40(4):332-333.   Published online October 2, 2015
      DOI: https://doi.org/10.5395/rde.2015.40.4.332
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