PubMed · 5320890
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P S Neuwirth. Class V impressions.. https://pubmed.ncbi.nlm.nih.gov/5320890/
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Making a bilateral distal extension removable partial denture usually requires multiple appointments for metal-framework try-in, altered cast impression, and occlusal registration. This article describes an altered cast impression procedure that uses the prefabricated impression trays and record base for obtaining the jaw relation record. This method allows the framework try-in, altered cast impression, and jaw relation record to be efficiently completed in a single appointment.
Silicone putty casts are useful for articulating existing dentures for evaluation and problem solving before relining procedures are performed or a new prosthesis is made. Tissue health may require significant modification of the existing dentures and treatment with tissue-conditioning material before final impressions are made. This practical procedure uses a functional impression that substitutes for a quality preliminary impression and combines tissue conditioning, a functional impression, silicone putty cast, custom final impression tray, and a final impression for a complete denture.
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