Vinyl Polysiloxane Impression Material in Removable Prosthodontics Part 1: Edentulous Impressions

Joseph J. Massad, DDS; David R. Cagna, DMD, MS

August 2007 Issue - Expires August 31st, 2009

Compendium of Continuing Education in Dentistry


Recent advances in impression materials and stock edentulous impression trays have resulted in simplified approaches to impression making in removable prosthodontics. Once considered an absolute necessity, it is now possible to avoid the need for custom impression trays. In an effort to achieve reliable master casts in a single appointment, new and innovative procedures are now available. This article, the first in a 3-part series, will review historical information, basic concepts, materials considerations, and philosophic approaches to impression making in complete-denture therapy. A modern technique using readily available impression materials will be described and illustrated so readers can consider the benefits of incorporation into their daily management of edentulous patients.

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