Dental research journal · 2025
In vitro comparison of color stability of resin-modified glass ionomer and Cention N bioactive restorative material.
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Zadeh Azadeh Khazaei, Haghi Sahebeh, Drikvand Mona
Аннотация
BACKGROUND: This study compared the color stability of resin-modified glass ionomer (RMGI) and Cention N bioactive restorative material following exposure to different coloring solutions.
MATERIALS AND METHODS: In this in vitro experimental study, 12 specimens were fabricated from Cention N and Fuji II LC RMGI and immersed in Turkish coffee, Nescafe, cola, and distilled water as control (n = 3). The color parameters of the specimens were measured after 1, 7, and 28 days of immersion in the respective solutions, and their color change (ΔE) was calculated. Data were analyzed using repeated measures ANOVA Friedman test and two-way ANOVA (alpha = 0.05).
RESULTS: On day 1, the highest and lowest ΔE values were noted in Cention N specimens immersed in Nescafe and Cention N specimens immersed in cola, respectively. On days 7 and 28, the highest and lowest ΔE values were found in RMGI specimens immersed in Nescafe and Cention N specimens immersed in cola, respectively. The effects of the type of material and type of coloring solution and their interaction effect on ΔE of specimens at different time points were statistically significant (P < 0.05).
CONCLUSION: Within the limitations of this in vitro study, the results showed that Fuji II LC RMGI had lower color stability than Cention N in the long term. Nescafe caused the greatest discoloration in Fuji II LC, while Turkish coffee caused the greatest discoloration in Cention N specimens.
MATERIALS AND METHODS: In this in vitro experimental study, 12 specimens were fabricated from Cention N and Fuji II LC RMGI and immersed in Turkish coffee, Nescafe, cola, and distilled water as control (n = 3). The color parameters of the specimens were measured after 1, 7, and 28 days of immersion in the respective solutions, and their color change (ΔE) was calculated. Data were analyzed using repeated measures ANOVA Friedman test and two-way ANOVA (alpha = 0.05).
RESULTS: On day 1, the highest and lowest ΔE values were noted in Cention N specimens immersed in Nescafe and Cention N specimens immersed in cola, respectively. On days 7 and 28, the highest and lowest ΔE values were found in RMGI specimens immersed in Nescafe and Cention N specimens immersed in cola, respectively. The effects of the type of material and type of coloring solution and their interaction effect on ΔE of specimens at different time points were statistically significant (P < 0.05).
CONCLUSION: Within the limitations of this in vitro study, the results showed that Fuji II LC RMGI had lower color stability than Cention N in the long term. Nescafe caused the greatest discoloration in Fuji II LC, while Turkish coffee caused the greatest discoloration in Cention N specimens.