ArticleJournal of dental sciences2026
Effect of vacuum sealing and heat treatment on the accuracy of castable resin patterns for denture frameworks fabricated using digital light processing.
Article in Journal of dental sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
Background/purpose: Although three-dimensional (3D) printed castable resin patterns have been used for denture framework fabrication, resin deformation influences accuracy. This study aimed to verify the effect of vacuum sealing and heat treatment on the accuracy of castable resin patterns for denture frameworks fabricated using digital light processing (DLP). Materials and methods: A simplified major connector was digitally designed on the master cast simulating the maxillary palate. Based on the different post-processing procedures and durations after post-processing, thirty-six specimens were divided into six groups after being printed using a DLP printer within castable resin materials. Specimens were subjected to one of three post-processing methods after rinsing: post-curing directly (control), vacuum sealing before post-curing (VS), or vacuum sealing followed by heat treatment before post-curing (VSH). The specimens were subsequently scanned 1 or 3 h after post-processing (n = 6). The trueness and precision were subsequently analyzed by calculating root mean square (RMS) values. A two-way analysis of variance and Tukey's post-hoc test were performed (α = 0.05). Results: Although the duration after post-processing did not have a statistically significant effect on the trueness and precision ( Conclusion: Vacuum sealing combined with heat treatment significantly improved the trueness and precision of DLP-printed castable resin patterns for dentures.
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