Oswaldo de Vasconcellos Vilella

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INTRODUCTION The objective of this study was to evaluate the accuracy and reliability of measurements on digital models obtained by scanning impressions 5, 10, and 15 days after they were made from 2 soft putty polyvinylsiloxane (PVS) materials. METHODS Thirty volunteers were selected for making impressions of their dentitions with alginate to create a(More)
INTRODUCTION The aim of this study was to compare the accuracy of printed models from intraoral scans with different designs of model bases, using 2 types of 3-dimensional printing techniques. METHODS Three types of model base design were created: regular base, horseshoe-shaped base, and horseshoe-shaped base with a bar connecting the posterior region.(More)
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