ArticleMaterials (Basel, Switzerland)2026
Effect of Different Polishing Systems on the Surface Roughness of 3D-Printed Resins.
Article in Materials (Basel, Switzerland), 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
backgroundThis in vitro study evaluated the effect of different finishing and polishing systems on the surface roughness of two 3D-printed crown resins.
methodsEighty disc-shaped specimens were produced from two 3D-printed crown resins, Saremco Print Crowntec and VarseoSmile Crown Plus. Specimens were divided into four groups according to the finishing and polishing protocol: Lucida, TwistDia, OptiShine, and OptiGlaze. Surface roughness (Ra) was measured before and after finishing and polishing using a non-contact optical profilometer. Data were analyzed using ART ANOVA (
resultsAll polishing protocols significantly reduced surface roughness, with the overall median Ra decreasing from 0.198 µm before polishing to 0.101 µm after polishing (
conclusionsThe surface quality of the tested 3D-printed crown resins was determined primarily by the polishing protocol rather than the resin type. Although all protocols provided clinically acceptable surfaces, the optimal polishing approach may depend on the resin-polishing system combination.
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