狠狠撸

#dental_anatomy_morphology_jaw_and_teeth_relations #cast_preparation# removable_dies#fixed_prosthesis mcr pfm metal_ceramic_restoration #porcelain_fused_to_metal dental_ceramic material_of_dental_porcelain #history_of_dental_ceramic #porcelain_material #dental_bridge #pontic_design #bridge #fixed_partial_denture