ArticleThe journal of advanced prosthodontics2026
Influence of conventional and AI-assisted dental CAD software and 3D printing technology on the intaglio surface trueness of interim crowns.
Article in The journal of advanced prosthodontics, 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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Abstract
purposeTo evaluate the trueness of intaglio surfaces in single interim crowns, an MATERIALS AND
methodsA maxillary first molar typodont model was utilized, and the scanning of the abutment was performed via a desktop scanner. A single interim crown was designed using one conventional dental CAD software and two artificial intelligence (AI)-based CAD software programs. Each design file was fabricated with three 3D printing technologies: digital light processing (DLP), stereolithography (SLA), and masked stereolithography (MSLA), yielding 15 crowns per group and a total of 135 interim crowns. The fabricated crowns were scanned with a desktop scanner and superimposed onto the CAD reference model to evaluate intaglio surface trueness. Trueness was quantified using root mean square (RMS) values, positive mean error (AVG), and negative mean error (-AVG). Statistical analyses were performed using one-way and two-way ANOVA with Tukey post hoc tests (α = 0.05), and effect sizes (η
resultsAmong the dental CAD software programs, only -AVG showed a significant difference (
conclusionFor the production of single interim crowns, the specific type of 3D printer was found to be a more significant determinant of intaglio surface trueness than the selection of dental CAD software.
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