Mechanical properties and sliding-impact wear resistance of self-adhesive resin cements

T. Furuichi, T. Takamizawa, A. Tsujimoto, M. Miyazaki, Wayne W. Barkmeier, Mark A. Latta

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The present study determined the mechanical properties and impact-sliding wear characteristics of self-adhesive resin cements. Five selfadhesive resin cements were used: G-CEM LinkAce, BeautiCem SA, Maxcem Elite, Clearfil SA Automix, and RelyX Unicem 2. Clearfil Esthetic Cement was employed as a control material. Six specimens for each resin cement were used to determine flexural strength, elastic modulus, and resilience according to ISO specification #4049. Ten specimens for each resin cement were used to determine the wear characteristics using an impact-sliding wear testing apparatus. Wear was generated using a stainless-steel ball bearing mounted inside a collet assembly. The maximum facet depth and volume loss were determined using a noncontact profilometer in combination with confocal laser scanning microscopy. Data were evaluated using analysis of variance followed by the Tukey honestly significantly different test (a=0.05). The flexural strength of the resin cements ranged from 68.4 to 144.2 MPa; the elastic modulus ranged from 4.4 to 10.6 GPa; and the resilience ranged from 4.5 to 12.0 MJ/m3. The results for the maximum facet depth ranged from 25.2 to 235.9 lm, and volume loss ranged from 0.0107 to 0.5258 mm3. The flexural properties and wear resistance were found to vary depending upon the self-adhesive resin cement tested. The self-adhesive cements tended to have lower mechanical properties than the conventional resin cement. All self-adhesive resin cements, apart from G-CEM Link-Ace, demonstrated significantly poorer wear resistance than did the conventional resin cement.

Original languageEnglish (US)
Pages (from-to)E83-E92
JournalOperative Dentistry
Volume41
Issue number3
DOIs
StatePublished - May 1 2016

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Resin Cements
Elastic Modulus
Adhesive cement
Stainless Steel
Confocal Microscopy
Analysis of Variance

All Science Journal Classification (ASJC) codes

  • Medicine(all)
  • Dentistry(all)

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Mechanical properties and sliding-impact wear resistance of self-adhesive resin cements. / Furuichi, T.; Takamizawa, T.; Tsujimoto, A.; Miyazaki, M.; Barkmeier, Wayne W.; Latta, Mark A.

In: Operative Dentistry, Vol. 41, No. 3, 01.05.2016, p. E83-E92.

Research output: Contribution to journalArticle

Furuichi, T. ; Takamizawa, T. ; Tsujimoto, A. ; Miyazaki, M. ; Barkmeier, Wayne W. ; Latta, Mark A. / Mechanical properties and sliding-impact wear resistance of self-adhesive resin cements. In: Operative Dentistry. 2016 ; Vol. 41, No. 3. pp. E83-E92.
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