ArticleBMC oral health2026
Effects of surface finishing procedure, 3D printer type, and accelerated UV-aging on the surface roughness, translucency parameter, and color change of a 3D-printed permanent photopolymer resin.
Article in BMC oral health, 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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Authors and funding
6 authors.
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Abstract
backgroundThe objective of this study was to assess the effects of surface finishing procedure, 3D printer type, and accelerated UV-aging on the surface roughness (Ra), translucency parameter (TP
methodsSpecimens (1 mm thick and A2 color) were fabricated using a permanent photopolymer resin and three 3D printers (Prusa Medical One, Form4B, and Asiga Max UV). Two surface finishing procedures (mechanical polishing and glazing) were applied to the specimen surfaces. UV-aging was applied using repeated cycles of light exposure and water spray at controlled temperatures for a total of 300 h. The Ra values and color coordinates were measured before and after accelerated UV-aging. The TP
resultsSurface roughness (Ra) was significantly influenced by the printer type, surface finishing procedure, and aging (P < 0.05). Mechanically polished groups showed higher Ra values, although all remained below the clinical threshold. TP
conclusionsThe surface finishing procedure, 3D printer type, and accelerated UV-aging significantly influence the surface and optical properties of the tested 3D-printable permanent photopolymer resin.
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