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- Title
Evaluation of biaxial flexural strength and modulus of filled and unfilled adhesive systems.
- Authors
Liberti, Michele Santana; Mettenburg, Donald; Arrais, César Augusto Galvão; Rueggeberg, Frederick Allen; Giannini, Marcelo
- Abstract
Purpose: The purpose of this study was to evaluate the flexural strength and modulus of two adhesive systems using biaxial flexural strength test. Methods: The bonding agents (Pentron Clinical Technologies) tested were: Bond 1 (B1) and NanoBond (NB). Thirteen disks (6.1 mm diameter and 0.6 mm thick) were prepared with adhesive solutions of each bonding agents using Teflon molds. The adhesive solutions within the molds were light-activated with XL 3000 curing unit (3M ESPE) for 10 s on both sides. The disks were stored for 10 days and were tested in a universal testing machine (1.27 mm/min - Instron 5844). Data were statistically analyzed by one-way ANOVA (α=0.05). Results: The mean values of fracture strength (±SD) for adhesive systems were (in MPa): B1- 89.7±7.6 e NB- 131.1±9.5. Modulus means (±SD) were (in MPa): B1- 1999.9±258.4 e NB- 2314.5±271.0. Conclusion: The filled adhesive system (NB) exhibited higher strength and flexural modulus means than the unfilled adhesive B1.
- Subjects
ADHESIVES; POLYTEF; DENTAL adhesives; ANALYSIS of variance; DENTAL bonding; DENTISTRY
- Publication
Revista Odonto Ciencia, 2009, Vol 24, Issue 1, p15
- ISSN
0102-9460
- Publication type
Article