Antibacterial Effect and Clinical Performance of Chitosan Modified Glass Ionomer

Glass ionomer filling material would be modified accordingly or used as is

deacetylated chitin, poly(D-glucosamine) purified by dissolving in 0.1 mol/L acetic acid, then precipitated in 0.1 mol/L sodium hydroxide and the precipitate will be washed with ethanol/water (70/30 v/v) mixture followed by freeze drying

Chlorhexidine antibacterial effect to be compared by Sigma-aldrich PHR 1222 , lot#LRAB3716

Titanium(IV) oxide,nanopowder, 21 nm primary particle size (TEM), \>99.5% trace metals basis cat#718467 Lot#MKCB6332 Lot #MKCB6332