Effect of Adding 3% Chitosan, 2.5% Neem, and 0.5% Sodium Metabisulphite on Anti-microbial and Mechanical Properties of Heat Activated Denture Base Resin- An In Vitro Study. Bangladesh J Med Sci. 2026;25(10):S137-S145. doi:10.3329/bjms.v25i10.86636