Evaluation of Color Stability of Omnichroma, Beautifil-Bulk Restorative, and G-aenial Composites When Exposed to Various Beverages: An In Vitro Study
Samreena Kalander, Aravind R Kudva, MS Prathap, Vivian F D Costa, Aboobacker Sidheeque
Color stability, Composite resins, Omnichroma, Spectrophotometer, Staining
Citation Information :
Kalander S, Kudva AR, Prathap M, D Costa VF, Sidheeque A. Evaluation of Color Stability of Omnichroma, Beautifil-Bulk Restorative, and G-aenial Composites When Exposed to Various Beverages: An In Vitro Study. Int J Prosthodont Restor Dent 2023; 13 (2):88-93.
Purpose: The purpose of this in vitro study was to evaluate the respective color stability of modern composite resins designed for esthetic restorations when continuously exposed to various beverages.
Material and methods: A total of 60 disk-shaped specimens made out of three composite materials (Omnichroma, Beautifil-Bulk restorative, and G-aenial) were used. A total of 20 specimens measuring 10 mm in diameter and 1 mm in thickness were made from each composite resin. After dry storage at 37°C for 24 hours in an incubator, the initial color was assessed by a calibrated spectrophotometer. Test specimens were immersed in four staining solutions, and the control group was dry-stored. All specimens were kept in an incubator at 37°C for 28 days. After 28 days, spectrophotometric measurements were again performed to determine the color changes. One-way analysis of variance (ANOVA) was used for the comparison of each beverage among the three groups to find the significant difference.
Results: Omnichroma material exhibited less color change as compared to Beautifil-Bulk restorative and G-aenial composites. The highest color change measured against a white background was observed for Beautifil-Bulk in coffee (p = 0.001), while the least staining was observed for Omnichroma in tea (p = 0.003). The highest color change measured against a black background was observed for Beautifil-Bulk in coffee (p = 0.001), while the least staining was observed for G-aenial in coffee (p = 0.001).
Conclusion: All three types of composites displayed color changes after immersion in tea, coffee, orange juice, and cola. Omnichroma showed higher color stability than Beautifil-Bulk restorative and G-aenial.
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