Performance of Fast-Setting Impression Materials in the Reproduction of Subgingival Tooth Surfaces Without Soft Tissue Retraction

Abstract

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Performance of dental impression materials: Benchmarking of materials and techniques by three-dimensional analysis

“…The combination of these results is one of the major advantages of this experimental procedure. Based on previous studies, 3D mean deviations of ±0.02 mm for in vitro conditions and ±0.04 to 0.05 mm in clinical sites are to be expected for high-precision final impression materials and techniques 27,47,53,58) . The qualitative analysis (Figs.…”

“…Also, there is no need for a shape restriction when freeform surfaces can be analyzed just as well as clearly geometrically defined shapes such as cones or cylinders. The assessment of many different experimental set-ups close to the dental clinical setting hence becomes possible [2][3][4]8,37,[45][46][47]49,57,58) . Based on the experience from former in vitro and in vivo studies 3,9,[45][46][47][48]53,57) , maximum positive and negative deviations, which are also calculated by the CAD software, were not further evaluated.…”