Study of the effect of the size and nature of radiopacifying agents - SAMIR, ZERGAT;Amel, AMIROUCHE KORICHI;Meriem, BOUDIAF
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Dental composites as materials for dental restorations have replaced amalgam, already banned in Norway since 2008, because of the mercury it contains, which is known to be toxic and can cause health problems [1]. These new dental restorative materials have advantages such as absence of mercury, corrosion resistance, and thermal non-conductivity [2,3]. Our study is based on the effect of the size and nature of the reinforcing fillers at the microscopic and nanoscopic scale on the degree of conversion of experimental dental composites, synthesized in the laboratory and whose formulation consists…mehr

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Produktbeschreibung
Dental composites as materials for dental restorations have replaced amalgam, already banned in Norway since 2008, because of the mercury it contains, which is known to be toxic and can cause health problems [1]. These new dental restorative materials have advantages such as absence of mercury, corrosion resistance, and thermal non-conductivity [2,3]. Our study is based on the effect of the size and nature of the reinforcing fillers at the microscopic and nanoscopic scale on the degree of conversion of experimental dental composites, synthesized in the laboratory and whose formulation consists of mixtures of bifunctional monomers: (BisGMA/TEGDMA) (75/25), (50/50) and (25/75) mixed with inorganic fillers at different contents by weight ranging from 0 to 80%. The degree of conversion of these experimental composites was determined by Fourier transform infrared spectroscopy in ATR mode (FTIR/ATR).
Autorenporträt
ZERGAT SAMIR is a chemical engineer in polymers graduated from the USTHB, he worked with the co-authors of this document on dental composites. AMIROUCHE KORICHI Amel is a lecturer (USTHB) member of the team Composite materials and hardening polymers (USTHB) in Algeria. BOUDIAF Meriem is a doctoral student at the USTHB.