Fit of interim crowns fabricated using photopolymer-jetting 3D printing.
作者： Hang-Nga Mai , Kyu-Bok Lee , Du-Hyeong Lee
DOI: 10.1016/J.PROSDENT.2016.10.030
关键词:
摘要: Abstract Statement of problem The fit interim crowns fabricated using 3-dimensional (3D) printing is unknown. Purpose purpose this in vitro study was to evaluate the photopolymer-jetting 3D and compare it with that milling compression molding methods. Material methods Twelve models were by making an impression a metal master model mandibular first molar. On each model, (N=36) (molding group, n=12), (milling polymer-jetting prepared as follows: overimpression technique; 5-axis dental machine; group printer. evaluated in proximal, marginal, internal axial, occlusal regions image-superimposition silicone-replica techniques. Mann-Whitney U test Kruskal-Wallis tests used results among groups (α=.05). Results Compared showed more accurate proximal marginal ( P Conclusions Polymer-jet significantly enhanced crowns, particularly region.
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