Arunima Upendran

biocompatibility ceramir resin cement zinc oxide eugenol zoe glass ionomer cement luting cements history gold implants protein coating plasma spraying hydroxyappatite coating titanium alloya grain boundaries metalloids metals alloy palladium platinum gold noble metal alloys titanium based investment gypsum bonded silica bonded phosphate bonded investment fluid wax technique compression moulding technique cold cure acrylic heat cure acrylic denture base resins putty wash impression poly sulfide polyether condensation silicon addition silicon