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Effect Of Impression Techniques On Soft Tissue Vertical Displacement In Removable Partial Denture. A Pilot Study, Christine Hanna, Nada El Osta, Jihad Fakhouri

International Arab Journal of Dentistry

Abstract Purpose: The purpose of this study was to evaluate the vertical displacement of soft tissue during different impression procedures using various spacing of the custom tray, and to determine which impression technique would allow the minimal movement. Material and Methods: 21 partially edentulous subjects were selected and enrolled in the study. Each one of them was subjected to four different impression procedures: three alginate impressions with different spacing of the custom tray and one composed with different impression materials, then casts were constructed. Light-curing acrylic occlusal platform was constructed on the primary model and perforated in 10 different points. …