ArticleBioinformation2026
Composite resin color stability and surface roughness after exposure to beverages.
Article in Bioinformation, 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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6 authors.
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Abstract
Composite resins can get discolored for a variety of reasons, both internal and external. Therefore, it is of interest to assess a composite resin's surface roughness and color stability following exposure to artificial saliva, orange juice, tea and Coca-Cola on days six, twelve and twenty-four. Based on beverages, 48 composite resin disc specimens were randomly assigned to four equal groups: Group 1-artificial saliva- control, Group 2-Coca-Cola, Group 3-tea and Group 4-orange juice. Surface roughness (Ra) and color change (ΔE) baseline readings were collected using a profilometer and digital image analysis technique in the CIE l*a*b scale. The readings (ΔE) were then obtained on the sixth, twelfth and twenty-fourth days after exposure to the corresponding beverages. The Coca-Cola group had the highest surface roughness (Ra) value and color variations, followed by orange juice and tea. The control group (artificial saliva) had the lowest surface roughness value.
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