Characterization of Morphology and Composition of Inorganic Fillers in Dental Alginates | Zendy

Ricardo Danil Guiraldo | Zendy; Sandrine Bittencourt Berger | Zendy; Rafael Leonardo Xediek Consani | Zendy; Símonídes Consani | Zendy; Rodrigo Varella de Carvalho | Zendy; Murilo Baena Lopes | Zendy; Luciana Lira Meneghel | Zendy; Fabiane Borges da Silva | Zendy; Mário Alexandre Coelho Sinhoreti | Zendy

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Characterization of Morphology and Composition of Inorganic Fillers in Dental Alginates

Author(s) -

Ricardo Danil Guiraldo,

Sandrine Bittencourt Berger,

Rafael Leonardo Xediek Consani,

Símonídes Consani,

Rodrigo Varella de Carvalho,

Murilo Baena Lopes,

Luciana Lira Meneghel,

Fabiane Borges da Silva,

Mário Alexandre Coelho Sinhoreti

Publication year - 2014

Publication title -

biomed research international

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.772

H-Index - 126

eISSN - 2314-6141

pISSN - 2314-6133

DOI - 10.1155/2014/178064

Subject(s) - scanning electron microscope , microanalysis , filler (materials) , energy dispersive x ray spectroscopy , morphology (biology) , materials science , calcination , volume fraction , nuclear chemistry , chemical composition , particle (ecology) , composition (language) , mineralogy , composite material , chemistry , oceanography , organic chemistry , geology , catalysis , linguistics , philosophy , biology , genetics , biochemistry

Energy dispersive X-ray spectroscopy microanalysis (EDX), scanning electron microscopy (SEM), and Archimedes' Principle were used to determine the characteristics of inorganic filler particles in five dental alginates, including Cavex ColorChange (C), Hydrogum 5 (H5), Hydrogum (H), Orthoprint (O), and Jeltrate Plus (JP). The different alginate powders (0.5 mg) were fixed on plastic stubs ( n = 5) and sputter coated with carbon for EDX analysis, then coated with gold, and observed using SEM. Volume fractions were determined by weighing a sample of each material in water before and after calcining at 450 ° C for 3 h. The alginate materials were mainly composed of silicon (Si) by weight (C—81.59%, H—79.89%, O—78.87%, H5—77.95%, JP—66.88%, wt). The filler fractions in volume (vt) were as follows: H5—84.85%, JP—74.76%, H—70.03%, O—68.31%, and C—56.10%. The tested materials demonstrated important differences in the inorganic elemental composition, filler fraction, and particle morphology.

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