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  • Title: Influence of impression technique and material on the accuracy of multiple implant impressions.
    Author: Wöstmann B, Rehmann P, Balkenhol M.
    Journal: Int J Prosthodont; 2008; 21(4):299-301. PubMed ID: 18717085.
    Abstract:
    This study aimed to analyze the influence of impression technique (pick-up versus reposition) and material on the accuracy of the working cast. Sixty impressions were made with 3 materials from a master cast with 4 XiVE implants. The changes in the implant axis direction, rotation, and 3-dimensional shift were assessed. The pick-up technique showed significantly (P < .05, U test) lower values for axis direction and 3D shift but higher values for rotation than the reposition technique. The differences between the materials were not significant (P > .05, H test). It can be concluded that the impression technique-in contrast to the impression material-has a significant influence on transfer accuracy.
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