An accurate method for occlusal registration and altered-cast impression for removable partial dentures during the...

Preparation of mandibular distal-extension removable partial dentures usually requires a secondary impression (the altered-cast impression) to improve the stability of the prosthesis. A potential problem with conventional altered-cast impression procedures is incorrect or incomplete seating of the framework in the mouth or on the cast. This article describes a procedure for obtaining the interjaw relationship and an accurate altered-cast impression in a single appointment (that of the framework try-in).