Process for forming dentures

Claim 1

A DENTURE FORMING PROCESS COMPRISING THE STEPS OF CASTING AND CURING A RESILIENT RUBBER HEAT AND MOISTURE RESISTANT FIRST MOLD PORTION AGAINST A TRIAL DENTURE WAXED UP TO A MASTER CAST, SAID TRAIL DENTURE INCLUDING A TRIAL BASEPLATE AND DENUTRE TEEH, PORTIONS OF WHICH DENTURE TEETH EXTEND ABOVE AND PORTIONS OF WHICH EXTEND BELOW THE SURFACE OF SAID TRIAL BASEPLATE, SAID MASTER CAST BEING INVESTED AND FORMING A SECOND MOLD PORTION, THEN REMOVING THE TRAIL BASEPLATE FROM THE FIRST MOLD PORTION WHILE RETAINING SAID DENTURE TEETH IN SAID FIRST MOLD PORTION, TINFOILING THE SURFACE OF SAID SECOND MOLD PORTION FACING SAID RESILITENT RUBBER HEAT AND MOISTURE RESISTANT FIRST MOLD PORTION, THEN FILLING THE SPACE FROM WHICH SAID TRIAL BASEPLATE WAS REMOVED BETWEEN SAID SECOND MOLD PORTION AND SAID FIRST MOLD PORTION WITH A RESINOUS DENTURE FORMING MATERIAL, SAID RESINOUS DENTURE FORMING MATERIAL CONTACTING AND SURROUNDING THE PORTIONS, OF SAID DENTURE TEETH WHICH EXTENDED BELOW THE SURFACE OF SAID TRIAL BASEPLATE, CURING SAID RESINOUS DENTURE FORMING MATERIAL TO FORM, WITH SAID DENTURE TEETH, A COMPLETE DENTURE, AND THEN SEPARATING SAID COMPLETE DENTURE FROM SAID FIRST AND SECOND MOLD PORTIONS.