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Revista odontológica mexicana

Print version ISSN 1870-199X


RIOS SZALAY, Enrique et al. Comparative study of displacement resistance of four zirconia cements. Rev. Odont. Mex [online]. 2017, vol.21, n.4, pp.235-240. ISSN 1870-199X.


To compare displacement resistance of four cementing agents.

Material and methods:

An experimental, cross-sectioned prospective research was conducted to assess four cementing agents. Three agents were resinous, self-adhesive, dual polymerization cements containing MDP (10-metacryloxydecyl dihydrogen phosphate), and the remaining was a conventional glass ionomer cement. In the experiment, 40 samples of zirconia partially stabilized with yttrium were prepared. All samples were treated following their specific manufacturer's instructions. Samples were prepared, they were then stored at 100% humidity in a temperature chamber at 37 °С for 24 hours; after this, samples were subjected to shearing detachment mechanical tests at a 1 mm per minute speed in a universal machine for mechanical testing.


Glass ionomer samples failed before being taken to the universal testing machine. Remaining three cements did not show statistically significant differences.


Adhesion capacity of glass ionomer to zirconia is nil or extremely low. Likewise, resinous cements containing MDP in their formula, either in their bonding agent or in the cement formulation itself, are presently the best alternative to increase adhesion to a zirconia structure.

Keywords : Cementing agents for zirconia.

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