A removable partial denture cast metal framework is fabricated from a master cast from a polyvinyl siloxane impression in an acrylic custom tray. The framework fits the master cast without abrasion but will not seat intraorally. The error in fit could have been caused by
removing the impression prior to final polymerization.
insufficient relief on the master cast prior to framework fabrication
insufficient blockout on the master cast prior to framework fabrication.
an improper melting temperature for the framework alloy
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