Influence of Surface Treatments on Adhesion of Porcelain to Titanium

被引:4
作者
Elsaka, Shaymaa E. [1 ]
机构
[1] Mansoura Univ, Fac Dent, Dept Dent Biomat, Mansoura 35516, Egypt
来源
JOURNAL OF PROSTHODONTICS-IMPLANT ESTHETIC AND RECONSTRUCTIVE DENTISTRY | 2013年 / 22卷 / 06期
关键词
Bond strength; cp Ti; pretreatment; veneering porcelain; strain energy release rate; surface roughness; LOW-FUSING PORCELAIN; COMMERCIALLY PURE TITANIUM; BOND STRENGTH; ALLOY; ADHERENCE; CAST;
D O I
10.1111/jopr.12023
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Purpose: This study evaluated the effect of etching solution surface treatments on the surface characteristics of titanium and adhesion of titanium/porcelain system by means of strain energy release rate (G-value, J/m(2)). Materials and Methods: Two hundred and forty five specimens of cp Ti plates were prepared. The specimens were divided into five groups in each test according to the surface treatment used; Gr MC (machined control), Gr AP (airborne particle abrasion), Gr E15, Gr E30, and Gr E60 (etching solution applied for 15, 30, and 60 minutes, respectively). The treated surfaces were characterized by atomic force microscopy (AFM) and scanning electron microscopy (SEM). Three types of porcelains (Duceratin, Vita Titankeramik, Ti-22) were used to test adhesion with cp Ti. Following the four-point bending interfacial fracture test, the peeled fracture surfaces were examined using SEM. Data were analyzed using ANOVA and Tukey HSD test. Statistical significance was set at the 0.05 probability level. Results: AFM and SEM analyses showed that the surface topography of cp Ti was modified after treatments. Bond strength values were significantly affected by surface treatment and by type of porcelain (p < 0.05). The cp Ti/Duceratin (E30 and E60 minutes) groups showed the highest G-value among the groups. Modes of failure were mixed and interfacial adhesive. Conclusions: Adhesion between cp Ti and porcelain could be enhanced by the use of experimental hot etching solution prior to porcelain firing as an alternative modality to the airborne-particle abrasion method.
引用
收藏
页码:465 / 471
页数:7
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