Veljee Tahsin Mansur, Shruthi C S, Poojya R
Department of Prosthodontics, M R Ambedkar Dental College and Hospital, Bengaluru, Karnataka, India.
J Indian Prosthodont Soc. 2015 Oct-Dec;15(4):308-12. doi: 10.4103/0972-4052.161072.
The purpose of this study was to evaluate and compare the effect of grit blasting, chemical treatment, and application of alloy primer combinations on the shear bond strength (SBS) of a self-cure resin cement to titanium surface.
Fifty cast commercially pure titanium discs (9 mm × 2 mm) were divided into five groups (n = 10), which received the following surface treatments: Control group (no surface treatment), group 1 (grit blasting using 110 µm Al2O3 particles and application of alloy primer), group 2 (grit blasting using 110 µm Al2O3 particles and chemical treatment using 1N HCl), group 3 (chemical treatment using 1N HCl and application of alloy primer), and group 4 (Grit blasting using 110 µm Al2O3 particles, chemical treatment using 1N HCl and application of alloy primer). Superbond C and B resin cement was applied to the treated titanium surfaces including controls. SBSs were determined after thermocycling for 5000 cycles. Data (megapascal) were analyzed by ANOVA and Bonferroni test.
Group 4 (grit blasting using 110 µm Al2O3 particles, chemical treatment using 1N hydrochloric acid, and application of alloy primer) produced the highest bond strength followed by group 1, group 3, group 2, and the control group which showed the least bond strength.
(1) Air-abrasion with alumina particles increases the micromechanical retention of the resin to titanium. (2) The alloy primer promotes wettability, which increases the adhesive bonding of resin cement to titanium. (3) Chemical treatment using hydrochloric acid effectively pretreats the titanium surface thereby increasing the SBS values.
本研究的目的是评估和比较喷砂处理、化学处理以及合金底漆组合应用对自固化树脂水门汀与钛表面剪切粘结强度（SBS）的影响。
将50个铸造的商业纯钛盘（9毫米×2毫米）分为五组（每组n = 10），分别接受以下表面处理：对照组（未进行表面处理）、第1组（使用110微米氧化铝颗粒进行喷砂处理并应用合金底漆）、第2组（使用110微米氧化铝颗粒进行喷砂处理并使用1N盐酸进行化学处理）、第3组（使用1N盐酸进行化学处理并应用合金底漆）和第4组（使用110微米氧化铝颗粒进行喷砂处理、使用1N盐酸进行化学处理并应用合金底漆）。将Superbond C和B树脂水门汀应用于包括对照组在内的经过处理的钛表面。在进行5000次热循环后测定SBS。数据（兆帕）通过方差分析和Bonferroni检验进行分析。
第4组（使用110微米氧化铝颗粒进行喷砂处理、使用1N盐酸进行化学处理并应用合金底漆）产生的粘结强度最高，其次是第1组、第3组、第2组，对照组的粘结强度最低。
（1）用氧化铝颗粒进行空气喷砂可增加树脂与钛之间的微观机械固位。（2）合金底漆可促进润湿性，从而增加树脂水门汀与钛之间的粘结性。（3）使用盐酸进行化学处理可有效预处理钛表面，从而提高SBS值。
