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Marginal and Internal Fit and Intaglio Surface Trueness of Temporary Crowns Fabricated with Stereolithography,
Purpose:
To evaluate the fit and trueness of temporary crowns fabricated with 3D printing vs milling technologies and to analyze any existing correlations between fit and trueness.
Materials And Methods:
Marginal and internal fit and trueness were evaluated. Groups were compared using Kruskal-Wallis H test (α = .05), and correlations were analyzed using Spearman rank correlation analysis (α = .0016).
Results:
Intaglio surface trueness was partially correlated with the marginal and internal fit (P < .0016).
Conclusion:
High intaglio surface trueness in the axial and occlusal regions may result in poor marginal fit. In the axial region, high intaglio surface trueness may adversely affect both the marginal and internal fit.
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