The effect of optical brightening toothpaste on the color stability of esthetic restorative materials

Firdevs Kahvecioğlu(1), Elçim Çoban(2), Hayriye Esra Ülker(3)
(1) Selcuk University, Department of Pediatric Dentistry, Konya, Turkey,
(2) Selçuk University, Department of Restorative Dentistry, Konya, Turkey,
(3) Selçuk University, Department of Restorative Dentistry, Konya, Turkey

Abstract

Aim: The aim of this study is to evaluate the effects of whitening toothpaste applications on the color stability of different tooth-colored restorative materials (Fuji IX, GC Fuji II LC, Equia Forte, and Kerr Point 4) 


Methodology: Standardized fourty disc-shaped specimens were prepared from esthetic restorative materials and polished. The baseline color values of each specimen were then measured using a spectrophotometer, according to the Commission Internationale de l'Eclairage L*, a*, and b* (CIELAB) color scale. Ten specimens from each group were then immersed in two different beverages (cherry juice and coke) for seven days. After immersion, the color value of each specimen was re-measured. Each sample was brushed with whitening toothpaste for 30 seconds using an electric toothbrush. The samples were kept in distilled water at room temperature and brushing continued twice a day for seven days. The color change value, Delta E (ΔE), was calculated. Data were analyzed by two-way ANOVA and post hoc Tukey's test.


Results: When the results were evaluated, after the colored samples had been brushed with whitening toothpaste, a difference was found between the Delta E values according to the materials used (p<0.001), but no difference was found in relation to the beverages (p>0.001). When the values of the color changes were evaluated after the first brushing with whitening toothpaste and before the specimens were colored with drinks, a difference was observed in the Fuji II cola, Fuji II cherry, and Equia Forte cola groups (p<0.05). When the values of the color changes were evaluated for specimens in which brushing had been done twice a day for seven days with whitening toothpaste and before they were colored with drinks, a significant difference was observed in the Fuji II cherry and Equia Forte cola groups (p<0.05).


Conclusion: Using Signal White Now whitening toothpaste for 2 min 2 times a day for seven days caused significant changes in the color of the restorative materials. The color change is dependent upon the type of restorative material that is used.


 


How to cite this article: Kahvecioğlu F, Çoban E, Ülker HE. The effect of optical brightening toothpaste on the color stability of esthetic restorative materials. Int Dent Res 2021;11(Suppl.1):80-4. https://doi.org/10.5577/intdentres.2021.vol11.suppl1.13


 


Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

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Authors

Firdevs Kahvecioğlu
drfirdevskahveci@hotmail.com (Primary Contact)
Elçim Çoban
Hayriye Esra Ülker
Kahvecioğlu, F., Çoban, E., & Ülker, H. E. (2021). The effect of optical brightening toothpaste on the color stability of esthetic restorative materials. International Dental Research, 11(Suppl. 1), 81-85. https://doi.org/10.5577/intdentres.2021.vol11.suppl1.13

Article Details

How to Cite

Kahvecioğlu, F., Çoban, E., & Ülker, H. E. (2021). The effect of optical brightening toothpaste on the color stability of esthetic restorative materials. International Dental Research, 11(Suppl. 1), 81-85. https://doi.org/10.5577/intdentres.2021.vol11.suppl1.13
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