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HomeKey Engineering MaterialsKey Engineering Materials Vol. 752SEM Analysis of the Interface of Five Adhesive...

SEM Analysis of the Interface of Five Adhesive Systems

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Abstract:

The aim of this study was to investigate the interface ultrastructure at dentin and hybrid layer formed by novel adhesives with TiO₂ nano-fillers. Nano-fillers have shown outstanding mechanical properties and they are widely used as reinforcing materials associated with polymeric matrices for high performance applications. Twenty extracted non carious human teeth were utilized for evaluation of the bonded interface using scanning electron microscopy. The experiments used four novel adhesives (noted A_1,A_2,A_3,A₄). Phosphoric acid (5s, 37%) and a commercial resin composite Herculite XRV (Kerr) filling were used for the surface treatment. The interface was studies using scanning electron microscopy (SEM) using a microscope Inspect F-FEI Company. The experimental results indicated the main benefits and disadvantages of the investigated adhesives systems. SEM of the adhesive dentin interface revealed a HAp (hydroxyapatite) – rich and homogenous hybrid layer. This layer produced a favourable sealing of damaged dentin.

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BiomMedD VII

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Periodical:

Key Engineering Materials (Volume 752)

Pages:

18-23

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.752.18

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Online since:

August 2017

Authors:

Diana Sucala*, Codruța Sarosi, Stanca Cuc, Marioara Moldovan, Cătălin Popa

Keywords:

Adhesives, SEM Analysis, TiO₂

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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