Restorative Dentistry & Endodontics

Research Articles

Effect of immersion into solutions at various pH on the color stability of composite resins with different shades: Ji-Deok Moon, Eun-Mi Seon, Sung-Ae Son, Kyoung-Hwa Jung, Yong-Hoon Kwon, Jeong-Kil Park; Restor Dent Endod 2015;40(4):270-276. Published online August 28, 2015; DOI: https://doi.org/10.5395/rde.2015.40.4.270

Objectives

This study examined the color changes of a resin composite with different shades upon exposure to water with different pH.

Materials and Methods

Nanohybrid resin composites (Filtek Z350XT, 3M ESPE) with four different shades (A2, A3, B1, and B2) were immersed in water with three different pH (pH 3, 6, and 9) for 14 day. The CIE L*a*b* color coordinates of the specimens were evaluated before and after immersion in the solutions. The color difference (ΔE*) and the translucency parameter (TP) were calculated using the color coordinates.

Results

ΔE* ranged from 0.33 to 1.58, and the values were affected significantly by the pH. The specimens immersed in a pH 6 solution showed the highest ΔE* values (0.87 - 1.58). The specimens with a B1 shade showed the lowest ΔE* change compared to the other shades. TP ranged from 7.01 to 9.46 depending on the pH and resin shade. The TP difference between before and after immersion in the pH solutions was less than 1.0.

Conclusions

The resulting change of color of the tested specimens did not appear to be clinically problematic because the color difference was < 1.6 in the acidic, neutral, and alkaline solutions regardless of the resin shade, i.e., the color change was imperceptible.

Citations

Citations to this article as recorded by

Effect of mouth rinses on roughness and optical properties of restorative materials for oral rehabilitation
Laura Firmo de Carvalho, Edmara T. P. Bergamo, Ernesto B. Benalcázar-Jalkh, Tiago M. B. Campos, Abbas Zahoui, Elisa De Souza Fermino, Ana Clara Mota de Oliveira, Ana Carolina Magalhães, Estevam A. Bonfante, Fábio José B. Bezerra, Larissa M.M. Alves
Biomaterial Investigations in Dentistry.2025; 12: 25. CrossRef
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Vilas Rajguru, Smita Khalikar, Sonali Mahajan, Gopika Gopan, Siddhi D Bhatawadekar, Kishor Mahale
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Effects of different antiviral mouthwashes on the surface roughness, hardness, and color stability of composite CAD/CAM materials
Ahmet Hazar, Ecehan Hazar
Journal of Applied Biomaterials & Functional Materials.2024;[Epub] CrossRef
Flexural Properties of Contemporary Bioactive Restorative Materials: Effect of Environmental pH
JEX Ong, AU Yap, A Abdul Aziz, NA Yahya
Operative Dentistry.2023; 48(1): 90. CrossRef
Effect of Mouthwashes for COVID-19 Prevention on Surface Changes of Resin Composites
Saijai Tanthanuch, Boonlert Kukiattrakoon, Chailuck Naiyanart, Tanyanat Promtong, Panuwit Yothinwatthanabamrung, Suttida Pumpua
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Can Modification with Urethane Derivatives or the Addition of an Anti-Hydrolysis Agent Influence the Hydrolytic Stability of Resin Dental Composite?
Agata Szczesio-Wlodarczyk, Izabela M. Barszczewska-Rybarek, Marta W. Chrószcz-Porębska, Karolina Kopacz, Jerzy Sokolowski, Kinga Bociong
International Journal of Molecular Sciences.2023; 24(5): 4336. CrossRef
Understanding the Mechanical, Surface, and Color Behavior of Oral Bioactive Prosthetic Polymers under Biodegradation Processes
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An Evaluation of the Hydrolytic Stability of Selected Experimental Dental Matrices and Composites
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Comparative Evaluation of Surface Roughness of different Composites and its effect on Colour Stability of the Restoration
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Luiza de Almeida Queiroz Ferreira, Rogéli Tibúrcio Ribeiro da Cunha Peixoto, Cláudia Silami de Magalhães, Tassiana Melo Sá, Monica Yamauti, Francisca Daniele Moreira Jardilino
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Discoloration Effects of Traditional Turkish Beverages on different Composite Restoratives
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The effect of red and white wine on color changes of nanofilled and nanohybrid resin composites
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Restorative Dentistry & Endodontics.2016; 41(2): 130. CrossRef

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Colorimetric comparison of single layered dental composite with double layered dental composite: Young-Sang Song, Ja-Hyun Kim, Bin-Na Lee, Ji-Hyun Jang, Hoon-Sang Chang, Yun-Chan Hwang, Won-Mann Oh, In-Nam Hwang; Restor Dent Endod 2012;37(2):84-89. Published online May 18, 2012; DOI: https://doi.org/10.5395/rde.2012.37.2.84

Abstract PDF PubReader ePub

Objectives

This study analyzed the difference in color caused by different thickness in enamel layer of composite resins when applied with single and layering placement technique, and evaluated if the results agreed with the shade guide from the manufacturers to verify reliability of the color matching process of the manufacturers.

Materials and Methods

For single composite resin samples, 6 mm diameter and 4 mm thickness cylindrical samples were fabricated using Ceram-X mono (DENTSPLY DeTrey) and CIE L^*a^*b^* values were measured with spectrophotometer. Same process was done for layering composite resin samples, making 3 dentinal shade samples, 4 mm thickness, for each shade using Ceram-X duo (DENTSPLY DeTrey) and enamel shade resins were layered in 2 mm thickness and CIE L^*a^*b^* values were measured. These samples were ground to 0.2 mm thickness each time, and CIE L^*a^*b^* values were measured to 1 mm thickness of enamel shade resin.

Results

Color difference (ΔE^*) between single and layering composite resin was 1.37 minimum and 10.53 maximum when layering thicknesses were between 1 mm and 2 mm and 6 out of 10 same shade groups suggested by manufacturer showed remarkable color difference at any thickness (ΔE^* > 3.3).

Conclusion

When using Ceram-X mono and duo for composite resin restoration, following the manufacturer's instructions for choosing the shade is not appropriate, and more accurate information for Ceram-X duo is needed on the variation and expression of the shades depending on the thickness of the enamel.

Citations

Citations to this article as recorded by

Improvement of mechanical strength and water repellency of Hanji (traditional Korean paper) through acetylation in supercritical CO2
Seungmok Shin, Hwi-Sung Lee, Hee Suk Woo, Mulugeta G. Aregay, Tae Jun Yoon, Youn-Woo Lee
The Journal of Supercritical Fluids.2022; 190: 105735. CrossRef
Color Change in Tooth Induced by Various Calcium Silicate-Based Pulp-Capping Materials
Jiyoon Jeon, Namki Choi, Seonmi Kim
THE JOURNAL OF THE KOREAN ACADEMY OF PEDTATRIC DENTISTRY.2021; 48(3): 280. CrossRef

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