Bond strength between zirconium ceramic and dual resinous cement

• Main Authors: João Galan Junior, Fátima Maria Namen, Reynaldo Porcaro Filgueiras
• Format: Article
• Language: English
• Published: Faculdade São Leopoldo Mandic 2010-04-01
• Series: RGO: Revista Gaúcha de Odontologia
• Subjects: ceramics; dental ceramics; zirconium; cerâmica; cimentos dentários; zircônio
• Online Access: http://www.revistargo.com.br/include/getdoc.php?id=4590&article=972&mode=pdf
• ISSN: 0103-6971; 1981-8637

Objective: To assess the influence of different surface treatments on the bond strength between the resinous cement Panavia F (Kuraray Co. Ltd., Osaka, Japan) and the structure of In-Ceram YZ (Vita Zahnfabrik, Bad Säckingen, Germany). Methods: Fifteen ceramic blocks were assessed: Group 1, finishing with abrasive paper; Group 2, finishing, airborne Al2O3 particle abrasion and silanization; Group 3, finishing, airborne particle abrasion, silicatization and silanization. After treatment, the blocks received cementation of resin composite cylinders with Panavia F (Kuraray Co. Ltd., Osaka, Japan) and were submitted to the shear bond strength test in a universal testing machine. Results: The results were statistically analyzed (ANOVA and multiple comparison Student-Newman-Keuls test): Group 1 (9.66 ± 1.67 MPa) < Group 2 (16.61 ± 3.38 MPa) = Group 3 (19.23 ± 5.69 MPa), with p = 0.007. Conclusion: The structures of the In-Ceram YZ system (Vita Zahnfabrik, Bad Säckingen, Germany) associated with Panavia F (Kuraray Co. Ltd., Osaka, Japan) require previous etching to achieve greater bond strength between the ceramic and cement, and this treatment may be performed with airborne particle abrasion I or traditional silicatization, both followed by silanization.