Leaching of monomers from bulk-fill composites -

This study investigated the leaching of monomers from bulk-fill composites, as well as some physical properties of the materials

Mixing of experimental composites -

The ability to prepare experimental materials is mandatory for a research and test institute of dental materials. Using experimental materials assures that all the components of the material will be carefully controlled and experiments can be set up with variations only in the desired substance(s).

Antibacterial effects of native and methacrylate modified chitosan -

Commercial resin-based composites are mainly composed of dimethacrylate-based monomers, such as triethyleneglycol dimethacrylate (TEGDMA), inorganic fillers and a coupling agent. Cured resinbased composites have no antibacterial effect against oral bacteria and half of all fillings replaced are because of new caries . Chitosan is a natural carbohydrate polymer derived from the deacetylation of chitin. Chitosan has been shown to have an inhibitor effect on the adherence of oral bacteria onto human tooth surfaces.

Evaluation of two matrix materials intended for fiber-reinforced polymers -

Abstract: Two matrix resins for fiber composites that remain in a fluid state during storage and handling before polymerization were evaluated. The resin mixtures, based on methyl methacrylate (MMA), were produced with two different cross-linking agent systems: 1,4-butanediol dimethacrylate and ethylene glycol dimethacrylate or diethylene glycol dimethacrylate. Water sorption, water solubility, water uptake and residual […]