Micro-tensile and micro-shear bond strengths of current self-etch adhesives to enamel and dentin

Ayano Ishikawa, Yasushi Shimada, Richard M. Foxton, Junji Tagami

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Purpose: To evaluate the micro-tensile and micro-shear bond strengths of self-etch adhesives to enamel and dentin. Methods: Extracted human molars were ground to expose flat enamel or dentin surfaces using wet #600 grit SiC paper. The enamel and dentin surfaces were assigned to four groups of four adhesives: three one-step self-etch adhesives (Clearfil S3 Bond; AQ Bond Plus, G-Bond) and a two-step self-etch adhesive (Clearfil SE Bond). Each of the adhesives were applied to the ename or dentin surfaces in accordance with the manufacturers' instructions and restored with resin composite (Clearfil AP-X). The bonded teeth were then prepared for either micro-tensile or micro-shear bond strength tests. After storage in saline at 37°C for 24 hours, specimens were stressed at a crosshead speed of 1 mm/minute. Mean bond strengths and modes of failure were analyzed using one-way ANOVA followed by Scheffe's F test and the Chi-square test, respectively, at a 95% level of confidence. Results: SE Bond produced significantly higher values than the one-step adhesives in the micro-shear bond test to enamel (P< 0.05), while no significant differences were found among the adhesives in the micro-tensile bond test (P> 0.05). For dentin, SE Bond showed the highest bond strengths in both micro-tensile and micro-shear bond tests; values were significantly higher than both AQ Bond Plus and G-Bond (P< 0.05).

Original languageEnglish
Pages (from-to)161-166
Number of pages6
JournalAmerican Journal of Dentistry
Volume20
Issue number3
Publication statusPublished - Jun 2007
Externally publishedYes

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Shear Strength
Dentin
Dental Enamel
Adhesives
Composite Resins
Chi-Square Distribution
Analysis of Variance
Tooth

ASJC Scopus subject areas

  • Medicine(all)
  • Dentistry(all)

Cite this

Micro-tensile and micro-shear bond strengths of current self-etch adhesives to enamel and dentin. / Ishikawa, Ayano; Shimada, Yasushi; Foxton, Richard M.; Tagami, Junji.

In: American Journal of Dentistry, Vol. 20, No. 3, 06.2007, p. 161-166.

Research output: Contribution to journalArticle

Ishikawa, Ayano ; Shimada, Yasushi ; Foxton, Richard M. ; Tagami, Junji. / Micro-tensile and micro-shear bond strengths of current self-etch adhesives to enamel and dentin. In: American Journal of Dentistry. 2007 ; Vol. 20, No. 3. pp. 161-166.
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