Methodology for Testing the Micro-shear Bond Strength of Dual-cure Resin Cement to Pretreated Zirconia Surface

The aim of this study was to evaluate the micro-shear bond strength dual-cure resin cement zirconia surface pretreated with different techniques. Twenty-four sintered Y-TZP discs (Kuraray Noritake Dental Inc.) a diameter and thickness 11.8 mm 5.0 mm, respectively, were used for present divided into four groups according pretreatment procedures: 1) control group without any pretreatment; 2) MDP (10-methacryloyloxydecyl dihydrogen phosphate) primer treated; 3) sandblasted 50 μm Al2O3 at 2 bar, 4) treated in combination sandblasting. measured by applying an axial load on bonded interface using universal testing machine LMT 100 (LAM Technologies, Italy). An original methodology elaboration specimens developed. Statistical analysis performed SPSS 11.5 Inc., Chicago, IL, USA, Excel 7.0 VB. One-way independent samples (ANOVA) analyze data level significance p < 0.05. Bonferroni’s multiple comparison test reduce instance false positive results. impact pre-treatment procedures studied best revealed.