ArticleJournal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.]2026
Color and Translucency Stability of Additively Manufactured Interim Dental Restorative Materials: An In Vitro Aging Simulation Study.
Article in Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.], 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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5 authors.
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Abstract
statement of problemAdditively manufactured interim restorative materials are being employed to meet contemporary esthetic demands, yet the longevity of their optical characteristics remains uncertain.
objectiveTo assess the impact of material composition and manufacturing method on the optical stability of different additively manufactured interim restorative resins under in vitro aging methods and compare these properties to those of milled hybrid ceramic blocks. MATERIALS AND
methodsA total of 240 disc-shaped specimens (diameter 10.00 ± 0.05 mm, thickness 1.10 ± 0.05 mm) were fabricated utilizing four additively manufactured resin-based and two milled hybrid ceramic blocks. Following standardized finishing and polishing processes, the specimens were aged in coffee at 55°C, grape juice at 5°C, deionized water at 25°C, or thermocycled between 5°C and 55°C. Color stability (ΔE
resultsMaterial type significantly affected the color and translucency following aging (p < 0.001). Among additively manufactured materials, Primeprint Temp demonstrated the least color change (ΔE
conclusionsPrimeprint Temp demonstrated superior color and translucency stability relative to the other materials examined, whereas Ceramic Crown Resin showed the least stability, particularly under the conditions of coffee immersion. CLINICAL SIGNIFICANCE: Understanding the optical stability of contemporary interim additively manufactured resins facilitates enhanced esthetic stability between sessions and minimizes the necessity for repolishing or remaking interim restorations. Patients who frequently consume hot, staining beverages should be warned about potential discoloration, especially when utilizing resin-based materials for long-term use.
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