MICROWAVE MATERIALS ANALYSIS DENTURE BASE ADHESION ACRYLIC RESINS SUPERFICIAL HARDNESS TECHNIQUES ANALYSIS MICROWAVE DISINFECTION CROSS LINKING AGENT HARDNESS DIMENSIONAL CHANGE FRACTURED TEETH SURFACE HARDNESS FRACTURE MORPHOLOGY DENTAL MATERIALS SIMULATED DISINFECTION POST-PRESSING TIME FLEXION STRENGTH ACRYLIC RESIN POLYMERIZATION CYCLES MICROWAVES DISINFECTION TOOTH-RESIN BOND