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The Effect of a 10-MDP-Based Dentin Adhesive as Alternative for Bonding to Implant Abutment Materials
Authors:Paula C K Carvalho  Cludia C M S Almeida  Rodrigo O A Souza  Rubens Nisie Tango
Institution:1.Department of Dental Materials and Prosthodontics, Institute of Science and Technology of São José dos Campos, São Paulo State University, São José dos Campos 12245-000, Brazil;2.Private Dental Office, Recife 51111-010, Brazil;3.Dentistry Department, Federal University of Rio Grande do Norte, Natal 59056-000, Brazil
Abstract:Bonding to different dental restorative materials is challenging. This study aimed to evaluate the effect of a 10-MDP-based dentin adhesive on the shear bond strength (SBS) of self-adhesive resin cement (RC) to implant abutment materials. One hundred and twenty specimens were obtained from zirconia (ZO), cobalt-chromium alloy (CoCr), and commercially pure titanium (Ti), which were treated as follows (n = 10): control group—non-treated (CG), 10-MDP-based dentin adhesive (SB), light-cured SB (SB-LC), and zirconia primer (ZP). Blocks of RC were buildup and, after 24 h, were tested for bond strength. Data of SBS (MPa) were submitted to two-way ANOVA and Tukey test (α = 0.05). There was no difference in SBS among materials for CG and ZP, higher SBS were recorded for Ti SB and Ti SB-LC compared to ZO upon the same surface treatments. For the comparisons among treatments, SB-LC showed the highest SBS for CoCr. For ZO and Ti, higher SBS were recorded with SB and SB-LC. No cohesive failures were observed. It was concluded that the surface treatment with 10-MDP-based materials increased the bond strength of the resin cement to abutment materials, which showed to be material dependent.
Keywords:10-MDP  bond strength  resin cement  titanium  dentistry
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