An overview of dentin conditioning and its effect on bond strength

Authors

  • Mohammad K. Aljifan North Jeddah Specialist Dental Center, King Abdullah Medical Complex, Jeddah, Saudi Arabia
  • Ahmad M. Alshehri Thuriban General Hospital, AlQunfudah, Saudi Arabia
  • Reham M. Alharbi Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
  • Mohammed S. Al Alhareth Ital Medical Complex, Najran, Saudi Arabia
  • Zakiyah A. Alharbi Rafha Specialized Dental Center, Rafha, Saudi Arabia
  • Samirah M. Alamri Kiyad Primary Healthcare Center, Ministry of Health, AlQunfudah, Saudi Arabia
  • Nawaf S. Alshahrani College of Dentistry, King Saud University, Riyadh, Saudi Arabia
  • Almuayyad E. Alyamani College of Dentistry, King Saud University, Riyadh, Saudi Arabia
  • Abdulrahman A. Alzahrani College of Dentistry, Al-Baha University, Al Baha, Saudi Arabia
  • Abdulkarim A. Alqarni Eastern Riyadh Dental Center, Ministry of Health, Riyadh, Saudi Arabia
  • Meznah S. Al Joaithen Al Iman General Hospital, Riyadh, Saudi Arabia

DOI:

https://doi.org/10.18203/2394-6040.ijcmph20223315

Keywords:

Dentin conditioning, Self-etching primers, Smear layer

Abstract

Given the inherent qualities of this medium, particularly when contrasted to enamel bonding, bonding to dentin is considered to be a less dependable approach. Further, when dentin is reduced, a sizable amount of cutting detritus coats the dentin's exterior, forming the smear layer. A steep decrease in interfacial adhesion over time has been attributed to the collagen web's inadequate resin impregnation as a result of the dentinal surface preparation with strong acidic agents like phosphoric acid, which left a zone of vulnerable collagen at the root of the hybrid smear layer. Self-etching priming agents that comprise acidic, non-cleansing, polymerizing monomers cause demineralization of the surface and encapsulate the collagen fibers and hydroxyapatite crystals while dissolving the smear layer or incorporating it into the adhesion interface. The concurrent occurrence of dentinal demineralization and monomeric penetration prevents collagen from buckling and shields an exposed collagen web. There may be a drawback to including the smear layer in the hybrid layer, according to certain investigations. Adhesion issues could arise even though the smear layer is reinforced with impregnated resin. To achieve dependable, robust resin-dentin connections, such defects may need to be removed by integrating a distinct etching process because they can reduce the resistance and longevity of the conjugated smear layer. In relation to a traditional bonding system, is has been discovered that removing the smear layer with 0.5 M ethylene diamine tetra-acetic acid (EDTA) before applying a self-etching primer result in greater bond strengths. Even though this approach integrates the smear layer within the adhesion interface, the pre-conditioning of dentin with just an acidic primer is highly convincing and merits additional exploration for the streamlined total-etching systems.

References

Pashley DH. SmearLayer: physiological consideration. Oper Dent. 1984;3:13-29.

Brannström M, Nordenvall K, Glantz P-O. The effect of EDTA-containing surface-active solutions on the morphology of prepared dentin: an in vivo study. J Dent Res. 1980;59(7):1127-31.

Perdigao J, Lopes M. Dentin bonding-questions for the new millennium. J Adhesive Dentistry. 1999;1:191-210.

Haller B. Recent developments in dentin bonding. Am J Dentistry. 2000;13(1):44-50.

Takatsu T, Hosoda H. Microporous dentin zone beneath resinimpregnated layer. Operative Dentistry. 1994;19:59-64.

Van Meerbeek B, Inokoshi S, Braem M, Lambrechts P, Vanherle G. Morphological aspects of the resin-dentin interdiffusion zone with different dentin adhesive systems. J Dent Res. 1992;71(8):1530-40.

Camps J, Pashley DH. Buffering action of human dentin in vitro. J Adhesive Dentistry. 2000;2(1).

Sano H, Takatsu T, Ciucchi B, Horner J, Matthews W, Pashley DH. Nanoleakage: leakage within the hybrid layer. Operat Dent. 1995;20(1):18-25.

Tay F, Pashley DH, Yoshiyama M. Two modes of nanoleakage expression in single-step adhesives. J Dent Res. 2002;81(7):472-6.

Hashimoto M, Ohno H, Kaga M, Endo K, Sano H, Oguchi H. In vivo degradation of resin-dentin bonds in humans over 1 to 3 years. J Dent Res. 2000;79(6):1385-91.

Kato G, Nakabayashi N. The durability of adhesion to phosphoric acid etched, wet dentin substrates. Dental Materials. 1998;14(5):347-52.

Burrow MF, Satoh M, Tagami J. Dentin bond durability after three years using a dentin bonding agent with and without priming. Dental Materials. 1996;12(5-6):302-7.

Spencer P, Wang Y, Walker M, Wieliczka D, Swafford J. Interfacial chemistry of the dentin/adhesive bond. J Dent Res. 2000;79(7):1458-63.

Miyasaka K, Nakabayashi N. Effect of Phenyl-P/HEMA acetone primer on wet bonding to EDTA-conditioned dentin. Dental Materials. 2001;17(6):499-503.

Koibuchi H, Yasuda N, Nakabayashi N. Bonding to dentin with a self-etching primer: the effect of smear layers. Dental Materials. 2001;17(2):122-6.

Tay FR, Carvalho R, Sano H, Pashley DH. Effect of smear layers on the bonding of a self-etching primer to dentin. J Adhesive Dentistry. 2000;2(2).

Toida T. Adhesion to shrunken demineralized dentin-Effect of methacrylates with hydrophilic and hydrophobic groups dissolved in primers on recovery of shrunken demineralized dentin. JJ Dent Mater. 1997;16:232-8.

Calt S, Serper A. Time-dependent effects of EDTA on dentin structures. J Endodont. 2002;28(1):17-9.

Blomlöf J, Blomlöf L, Lindskog S. Effect of different concentrations of EDTA on smear removal and collagen exposure in periodontitis‐affected root surfaces. J Clin Periodontol. 1997;24(8):534-7.

Blomlöf JP, Blomlöf LB, Cederlund AL, Hultenby KR, Lindskog SF. A new concept for etching in restorative dentistry? Int J Periodont Restorative Dentistry. 1999;19(1).

Cehreli Z, Altay N. Etching effect of 17% EDTA and a non-rinse conditioner (NRC) on primary enamel and dentin. Am J Dentistry. 2000;13(2):64-8.

Pashley DH, Horner J, Brewer P. Interactions of conditioners on the dentin surface. Operative Dentistry. 1992:137-50.

De Munck J, Van Meerbeek B, Yoshida Y, et al. Four-year water degradation of total-etch adhesives bonded to dentin. J Dent Res. 2003;82(2):136-40.

Gwinnett A, Yu S. Effect of long-term water storage on dentin bonding. Am J Dent. 1995;8(2):109-11.

Kiyomura M. Bonding strength to bovine dentin with 4-META/MMA-TBB resin-long-term stability and influence of water. J Jpn Soc Dent Mater Dev. 1987;6:860-72.

Nakabayashi N, Takarada K. Effect of HEMA on bonding to dentin. Dental Materials. 1992;8(2):125-30.

Sano H, Yoshiyama M, Ebisu S, Burrow MF, Takatsu T, Ciucchi B, et al. Comparative SEM and TEM observations of nanoleakage within the hybrid layer. Operative Dentistry. 1995;20(4):160-7.

Tay FR, Pashley DH. Water treeing--a potential mechanism for degradation of dentin adhesives. Am J Dentistry. 2003;16(1):6-12.

Uitto V-J, Raeste A-M. Activation of latent collagenase of human leukocytes and gingival fluid by bacterial plaque. J Dent Res. 1978;57(7-8):844-51.

Van Strijp A, Jansen D, DeGroot J, Ten Cate J, Everts V. Host-derived proteinases and degradation of dentine collagen in situ. Caries Res. 2003;37(1):58-65.

Sano H, Yoshikawa T, Pereira P, Kanemura N, Morigami M, Tagami J, et al. Long-term durability of dentin bonds made with a self-etching primer, in vivo. J Dent Res. 1999;78(4):906-11.

Carvalho RM, Tay F, Sano H, Yoshiyama M, Pashley DH. Long-term mechanical properties of EDTA-demineralized dentin matrix. J Adhesive Dentistry. 2000;2(3).

Wang Y, Spencer P. Hybridization efficiency of the adhesive/dentin interface with wet bonding. J Dent Res. 2003;82(2):141-5.

Oliveira SS, Pugach MK, Hilton JF, Watanabe LG, Marshall SJ, Marshall Jr GW. The influence of the dentin smear layer on adhesion: a self-etching primer vs. a total-etch system. Dental Materials. 2003;19(8):758-67.

Watanabe I. Adhesion to ground dentin-Investigation of bonding agent. Jpn J Conserv Dent. 1990;33:138-43.

Nakabayashi N, Saimi Y. Bonding to intact dentin. J Dent Res. 1996;75(9):1706-15.

Tay FR, Pashley DH. Aggressiveness of contemporary self-etching systems: I: Depth of penetration beyond dentin smear layers. Dental Materials. 2001;17(4):296-308.

Inoue S, Vargas MA, Abe Y, Yoshida Y, Lambrechts P, Vanherle G, et al. Microtensile bond strength of eleven contemporary adhesives to dentin. J Adhesive Dentistry. 2001;3(3).

Van Meerbeek B, Yoshida Y, Lambrechts P, Vanherle G, Duke ES, Eick JD, et al. A TEM study of two water-based adhesive systems bonded to dry and wet dentin. J Dent Res. 1998;77(1):50-9.

Pioch T, Stotz S, Buff E, Duschner H, Staehle H. Influence of different etching times on hybrid layer formation and tensile bond strength. Am J Dentistry. 1998;11(5):202-6.

Burrow M, Inokoshi S, Tagami J. Water sorption of several bonding resins. Am J Dentistry. 1999;12(6):295-8.

Li H, Burrow M, Tyas M. The effect of long-term storage on nanoleakage. Operative Dentistry. 2001;26(6):609-16.

Takarada K. Stable adhesion to dentin. Combination of EDTA 3-2 (NH4/Fe) pretreatment and 2% 4-META/MMA-TBB resin. Shika Zairyo, Kikai. 1990;9(6):841-9.

Miyasaka K, Nakabayashi N. Combination of EDTA conditioner and phenyl-P/HEMA self-etching primer for bonding to dentin. Dental Materials. 1999;15(3):153-7.

Cederlund A, Jonsson B, Blomlöf J. Shear strength after ethylenediaminetetraacetic acid conditioning of dentin. Acta Odontologica Scandinavica. 2001;59(6):418-22.

Blomlöf J, Cederlund A, Jonsson B, Ohlson N-G. Acid conditioning combined with single-component and two-component dentin bonding agents. Quintessence Int. 2001;32(9).

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Published

2022-12-29

How to Cite

Aljifan, M. K., Alshehri, A. M., Alharbi, R. M., Al Alhareth, M. S., Alharbi, Z. A., Alamri, S. M., Alshahrani, N. S., Alyamani, A. E., Alzahrani, A. A., Alqarni, A. A., & Al Joaithen, M. S. (2022). An overview of dentin conditioning and its effect on bond strength. International Journal Of Community Medicine And Public Health, 10(1), 371–375. https://doi.org/10.18203/2394-6040.ijcmph20223315

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Review Articles