Influence of pre-etching times on fatigue strength of self-etch adhesives to enamel

Toshiki Takamizawa, Wayne W. Barkmeier, Akimasa Tsujimoto, Hajime Endo, Kenji Tsuchiya, Robert L. Erickson, Mark A. Latta, Masashi Miyazaki

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Purpose: To use shear bond strength (SBS) and shear fatigue strength (SFS) testing to determine the influence of phosphoric acid pre-etching times prior to application of self-etch adhesives on enamel bonding. Materials and Methods: Two single-step self-etch universal adhesives (Prime & Bond Elect and Scotchbond Universal), a conventional single-step self-etch adhesive (G-ænial Bond), and a conventional two-step self-etch adhesive (OptiBond XTR) were used. The SBS and SFS were obtained with phosphoric acid pre-etching for 3, 10, or 15 s prior to application of the adhesives, and without pre-etching (0 s) as a control. A staircase method was used to determine the SFS with 10 Hz frequency for 50,000 cycles or until failure occurred. The mean demineralization depth for each treated enamel surface was also measured using a profilometer. Results: For all the adhesives, the groups with pre-etching showed significantly higher SBS and SFS than groups without pre-etching. However, there was no significant difference in SBS and SFS among groups with > 3 s of preetching. In addition, although the groups with pre-etching showed significantly deeper demineralization depths than groups without pre-etching, there was no significant difference in depth among groups with > 3 s of pre-etching. Conclusion: Three seconds of phosphoric acid pre-etching prior to application of self-etch adhesive can enhance enamel bonding effectiveness.

Original languageEnglish (US)
Pages (from-to)501-511
Number of pages11
JournalJournal of Adhesive Dentistry
Volume18
Issue number6
DOIs
StatePublished - 2016

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Shear Strength
Dental Enamel
Adhesives
Fatigue

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Takamizawa, T., Barkmeier, W. W., Tsujimoto, A., Endo, H., Tsuchiya, K., Erickson, R. L., ... Miyazaki, M. (2016). Influence of pre-etching times on fatigue strength of self-etch adhesives to enamel. Journal of Adhesive Dentistry, 18(6), 501-511. https://doi.org/10.3290/j.jad.a37361

Influence of pre-etching times on fatigue strength of self-etch adhesives to enamel. / Takamizawa, Toshiki; Barkmeier, Wayne W.; Tsujimoto, Akimasa; Endo, Hajime; Tsuchiya, Kenji; Erickson, Robert L.; Latta, Mark A.; Miyazaki, Masashi.

In: Journal of Adhesive Dentistry, Vol. 18, No. 6, 2016, p. 501-511.

Research output: Contribution to journalArticle

Takamizawa, T, Barkmeier, WW, Tsujimoto, A, Endo, H, Tsuchiya, K, Erickson, RL, Latta, MA & Miyazaki, M 2016, 'Influence of pre-etching times on fatigue strength of self-etch adhesives to enamel', Journal of Adhesive Dentistry, vol. 18, no. 6, pp. 501-511. https://doi.org/10.3290/j.jad.a37361
Takamizawa, Toshiki ; Barkmeier, Wayne W. ; Tsujimoto, Akimasa ; Endo, Hajime ; Tsuchiya, Kenji ; Erickson, Robert L. ; Latta, Mark A. ; Miyazaki, Masashi. / Influence of pre-etching times on fatigue strength of self-etch adhesives to enamel. In: Journal of Adhesive Dentistry. 2016 ; Vol. 18, No. 6. pp. 501-511.
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abstract = "Purpose: To use shear bond strength (SBS) and shear fatigue strength (SFS) testing to determine the influence of phosphoric acid pre-etching times prior to application of self-etch adhesives on enamel bonding. Materials and Methods: Two single-step self-etch universal adhesives (Prime & Bond Elect and Scotchbond Universal), a conventional single-step self-etch adhesive (G-{\ae}nial Bond), and a conventional two-step self-etch adhesive (OptiBond XTR) were used. The SBS and SFS were obtained with phosphoric acid pre-etching for 3, 10, or 15 s prior to application of the adhesives, and without pre-etching (0 s) as a control. A staircase method was used to determine the SFS with 10 Hz frequency for 50,000 cycles or until failure occurred. The mean demineralization depth for each treated enamel surface was also measured using a profilometer. Results: For all the adhesives, the groups with pre-etching showed significantly higher SBS and SFS than groups without pre-etching. However, there was no significant difference in SBS and SFS among groups with > 3 s of preetching. In addition, although the groups with pre-etching showed significantly deeper demineralization depths than groups without pre-etching, there was no significant difference in depth among groups with > 3 s of pre-etching. Conclusion: Three seconds of phosphoric acid pre-etching prior to application of self-etch adhesive can enhance enamel bonding effectiveness.",
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