Effect of the Surface Treatment of Commercially Pure Titanium on the Shear Bond Strength

被引:0
作者
Kojima, Alberto Noriyuki [1 ]
Assuncao Souza, Rodrigo Othavio [2 ]
Melo Mesquita, Alfredo Mikail [1 ]
Leao Lombardo, Geraldo Henrique [2 ]
Zogheib, Lucas Villaca [2 ]
Nishioka, Renato Sussumu [3 ]
Bauducci, Ivan [4 ]
机构
[1] Univ Estadual Paulista UNESP, Dept Mat Odontol & Protese, Sao Jose Dos Campos, SP, Brazil
[2] Univ Estadual Paulista UNESP, Dept Mat Odontol & Protese, Odontol Restauradora, Sao Jose Dos Campos, SP, Brazil
[3] Univ Estadual Paulista UNESP, Dept Mat Odontol & Protese, Disciplina Protese Parcial Fixa, Sao Jose Dos Campos, SP, Brazil
[4] UNESP, Fac Odontol Sao Jose dos Campos, Dept Odontol Social & Clin Infantil, Sao Jose Dos Campos, SP, Brazil
来源
PESQUISA BRASILEIRA EM ODONTOPEDIATRIA E CLINICA INTEGRADA | 2009年 / 9卷 / 01期
关键词
Titanium; Shear strength; Air dental abrasion;
D O I
10.4034/1519.0501.2009.0091.0019
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Objective: To assess the shear bond strength of an esthetic coating material and a metal subjected to three surface treatments. Methods: Thirty metallic cylinders (5 mm high x 4 mm diameter) were fabricated from machining of commercially pure titanium (CPTi) bars. The cylinders were assigned to three groups (n= 10), according to the surface treatment: Group 1: 150-mu m aluminum oxide particle air abrasion; Group 2 - Rocatec system (3M/ESPE): 110-mu m aluminum oxide particle air abrasion (Rocatec-pre powder) and silica air abrasion (Rocatec-plus powder) + silane (RocatecSil); and Group 3 - CoJet system (3M/ESPE): 30-mu m silica particle air abrasion + silane (ESPE Sil). The specimens were fabricated by applying the opaque system (Sinfony Opaco, 3M/ESPE) followed by indirect composite resin (Sinfony, 3M ESPE/USA). After storage in distilled water at 37 degrees C for 24 hours, the specimens were tested in shear strength in a universal testing machine (EMIC, model DL1000) with a 500 kgf charge cell at 0.5 mm/min crosshead speed. The obtained data (MPa) were subjected to one-way ANOVA and Tukey's test at 5% significance level. Results: Group 1 (20.01 +/- 3.12) was statistically different from Group 2 (27.83 +/- 3.02) and Group 3 (26.91 +/- 3.65). Groups 2 and 3 did not differ significantly from each other. Conclusion: The surface treatment of CPTi with Rocatec or CoJet produced greater bond strength between CPTi and Sinfony composite resin.
引用
收藏
页码:113 / 117
页数:5
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