Background: Currently, the demands for restorations have increased considerably; thus, improvements and modifications have been made in dental composite technologies especially using materials that have been claimed to improve color stability.

Objective: This study aimed to determine the effect of various solutions on the color stability of different restorative materials in vitro study.

Methods: This study used three types of esthetic restorative materials. The samples comprised 45 discs, including 15 micro-hybrids, 15 nano-hybrids, and 15 glass ionomers). These discs were immersed in various beverages an hour a day for one month at room temperature. The color stability was measured using a spectrophotometer before/after immersion (days 7 and 30).

Results: We realized a significant difference in color change with Coca-Cola and tea-milk solution after seven days and 30 days (p < 0.05). However, no significant difference was found in the samples immersed in DM after seven days and 30 days (p > 0.05). The highest value of lightness (∆L) and stainability (∆a) was seen in micro-hybrid after 30 days of immersion in tea-milk solution (- 12.16 ± 1.74 and 11.4 ± 3.82, respectively), while most samples had a positive ∆b value.

Conclusion: After one month, the tea-milk solution affected the color stability of all used restorative materials. In addition, micro-hybrid had higher color stability than nano-hybrid and glass ionomer.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9884413PMC
http://dx.doi.org/10.1186/s12903-023-02719-3DOI Listing

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