Influence of silane heat treatment on bond strength of resin cement to a feldspathic ceramic

被引：28

作者：

de Carvalho, Rodrigo Furtado ^{[1
]}

Marques Nogueira Martins, Maria Elizabeth ^{[2
]}

Cavalcanti de Queiroz, Jose Renato ^{[2
]}

Pereira Leite, Fabiola Pessoa ^{[2
]}

Oezcan, Mutlu ^{[3
]}

机构：

[1] Univ Fed Juiz de Fora, Fac Dent, BR-36036900 Juiz De Fora, MG, Brazil

[2] Univ Fed Juiz de Fora, Fac Dent, Dept Restorat Dent, BR-36036900 Juiz De Fora, MG, Brazil

[3] Univ Zurich, Dent Mat Unit, Ctr Dent & Oral Med, Clin Fixed & Removable Prosthodont & Dent Mat Sci, CH-8032 Zurich, Switzerland

来源：

DENTAL MATERIALS JOURNAL | 2011年 / 30卷 / 03期

关键词：

Adhesion; Cementation; Ceramics; Microtensile strength; Thermal treatment; SURFACE-TREATMENT; PORCELAIN; COMPOSITE; ADHESION; SHEAR; AREA;

D O I：

10.4012/dmj.2010-137

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

This study evaluated the influence of heat treatment (HT) of the silane on the microtensile bond strength of resin cement to a feldspathic ceramic. Ceramic (VITA VM7) and composite blocks (N=32) were divided into four groups (n=6 for bond test, n=2 for SEM) at random and subject to following sequence of conditioning: 01: HF 9.6%+Silane+Panavia F2.0, G2: HF 9.6%+Silane+HT+Panavia F2.0, G3: Silane+HT+Panavia F2.0, and 04: Silane+Panavia F2.0. HT was performed in an oven (100 C, 2 minutes). Gi (17.6 +/- 2.3 MPa) and G2 (19 +/- 3.2 MPa) showed significantly higher mean bond strength than those of G3 (9.1 +/- 2.8 MPa) and G4 (10.9 +/- 1.8 MPa). SEM analysis showed exclusively mixed failures. Silane HT did not increase the bond strength.

引用

页码：392 / 397

页数：6

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