Morphochemical characterization, microhardness, water sorption, and solubility of regular viscosity bulk fill and traditional composite resins

Objective To evaluate the morphology of filler particles, chemical composition, microhardness (MH), water sorption (WSp), and solubility (WSl) of a regular viscosity bulk fill and traditional composite resins. Methods Eighty samples (Ø:5 mm; height: 4 mm) were prepared according to the factors “comp...

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Bibliographic Details
Published in:Microscopy research and technique 2019-09, Vol.82 (9), p.1500-1506
Main Authors: Melo, Rafaela A., Bispo, Andressa de Souza Leite, Barbosa, Gustavo A. S., Galvão, Marilia R., Assunção, Isauremi V., Souza, Rodrigo O de Assunção, Borges, Boniek C. D.
Format: Article
Language:English
Subjects:
Chemical composition
Chemical elements
Composite materials
composite resins
Diamond pyramid hardness
microhardness
Morphology
Organic chemistry
Particulate composites
Physical properties
Polymers
Resins
Scanning electron microscopy
Solubility
Sorption
Spectroscopy
Variance analysis
Viscosity
water sorption
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Summary:Objective To evaluate the morphology of filler particles, chemical composition, microhardness (MH), water sorption (WSp), and solubility (WSl) of a regular viscosity bulk fill and traditional composite resins. Methods Eighty samples (Ø:5 mm; height: 4 mm) were prepared according to the factors “composite” (Aura/SDI, FiltekZ250 XT/3M, Aura Bulk Fill/SDI, and Filtek Bulk Fill/3M) and “filling technique” (incremental and bulk) (n = 10). Vickers MH was measured on the top and bottom surfaces of each samples, and then WSp and WSl were obtained by means of mass gain and loss. Morphology of filler particles and chemical characteristics of composites were evaluated by scanning electron microscopy (SEM) and energy dispersity spectroscopy (EDS) in additional samples (n = 1/group). Data were analyzed using two‐ and three‐way ANOVA and Tukey's tests (p 
ISSN:1059-910X
1097-0029
DOI:10.1002/jemt.23315