Effect of cyclic loading on the microtensile bond strengths of total-etch and self-etch adhesives

Manuel Toledano, R. Osorio, A. Albaladejo, F. S. Aguilera, Franklin Chi Meng Tay, M. Ferrari

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Objective: To evaluate the effect of mechanical loading on the microtensile bond strength (MTBS) of five adhesive systems to dentin. Methods: Flat dentin surfaces from human molars were divided into five groups and bonded with total-etch self-priming adhesives (Single Bond, Prime&Bond NT and Prime&Bond XP), two-step self-etching primer (Clearfil SE Bond) and an all-in-one adhesive (Etch&Prime 3.0), according to the manufacturers' instructions. Composite build-ups were constructed incrementally with Tetric Ceram. After 24 hours of water storage, half the specimens were load cycled (5000 cycles, 90 N). The teeth were then sectioned into beams of 1.0 mm 2 cross-sectional area. Each beam was tested in tension in an Instron machine at 0.5 mm/minute. Data were analyzed by two-way ANOVA and Student Newman Keuls multiple comparisons tests (p<0.05). Results: Clearfil SE Bond and Single Bond attained higher MTBS than the other three adhesives. Prime&Bond NT and Prime&Bond XP performed equally, and Etch&Prime 3.0 resulted in the lowest MTBS. After mechanical loading, MTBS decreased in all groups except Prime&Bond XP. Clearfil SE Bond, Single Bond and Prime&Bond XP obtained higher MTBS than Prime&Bond NT. Specimens bonded with Etch&Prime 3.0 resulted in premature failures and MTBS could not be measured. Clinical Relevance: When using Etch&Prime 3.0, bond structures did not withstand mechanical loading, which may have an influence on the long-term success of restorations. If dentin is acid-etched, alcohol-based adhesive systems showed higher bond strength after mechanical loading.

Original languageEnglish (US)
Pages (from-to)25-32
Number of pages8
JournalOperative Dentistry
Volume31
Issue number1
DOIs
StatePublished - Jan 1 2006
Externally publishedYes

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Adhesives
Dentin
Analysis of Variance
Tooth
Alcohols
Students
Acids
XP-Bond
Water
Clearfil SE Bond
single bond
Prime and Bond NT
Prime & Bond

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Effect of cyclic loading on the microtensile bond strengths of total-etch and self-etch adhesives. / Toledano, Manuel; Osorio, R.; Albaladejo, A.; Aguilera, F. S.; Tay, Franklin Chi Meng; Ferrari, M.

In: Operative Dentistry, Vol. 31, No. 1, 01.01.2006, p. 25-32.

Research output: Contribution to journalArticle

Toledano, M, Osorio, R, Albaladejo, A, Aguilera, FS, Tay, FCM & Ferrari, M 2006, 'Effect of cyclic loading on the microtensile bond strengths of total-etch and self-etch adhesives', Operative Dentistry, vol. 31, no. 1, pp. 25-32. https://doi.org/10.2341/04-161
Toledano, Manuel ; Osorio, R. ; Albaladejo, A. ; Aguilera, F. S. ; Tay, Franklin Chi Meng ; Ferrari, M. / Effect of cyclic loading on the microtensile bond strengths of total-etch and self-etch adhesives. In: Operative Dentistry. 2006 ; Vol. 31, No. 1. pp. 25-32.
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