Color Change of Newly Developed Esthetic Restorative Material Immersed in Food-simulating Solutions

Fujita, Megumi; Kawakami, Susumu; Noda, Mamoru; Sano, Hidehiko

doi:10.4012/dmj.25.352

Cited by 52 publications

(53 citation statements)

References 18 publications

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“…Some discoloration is easier to remove than others. 2,3,18,20,28 Although extrinsic factors cause the most discoloration, intrinsic factors involved in the staining process must be considered because they are irreversible and cannot be removed nor bleached, although teeth can be successfully bleached.…”

Section: Discussionmentioning

confidence: 99%

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Six-month color change and water sorption of 9 new-generation flowable composites in 6 staining solutions

et al. 2016

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Six-month color change and water sorption of 9 new-generation flowable composites in 6 staining solutions Abstract: Color match and water sorption are two factors that affect restorative materials. Discoloration is essential in the lifespan of restorations. The aim of this study was to evaluate color change and water sorption of nine flowable composites at multiple time points over 6 months. 60 samples of each composite were divided into two groups (Color Change and Water Sorption/Solubility). Each Color Change group was divided into six subgroups, which were immersed in distilled water (DW), coffee (CF), Coca-Cola (CC), red wine (RW), tea (TE) and orange juice (OJ). The color was measured at the baseline, 1, 2, 3 and 4 weeks, and 3 and 6 months and color change values ( . Vertise Flow showed the highest water sorption (W S = 69.10 ± 7.19). The Pearson test showed statistically significant positive correlations between water sorption and solubility and between water sorption and ∆E; the positive solubility-∆E correlation was not statistically significant. The findings suggest that water sorption is one factor associated with the ability of composites to discolor; however, discoloration is a multifactorial problem.

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Section: Discussionmentioning

confidence: 99%

“…3,23,24 The results of the present study demonstrated this staining potential, as in other studies. 1,2,3,4,18,24,27,28 Extrinsic discoloration can be removed by daily brushing, a good finishing/polishing technique, and bleaching agents. Some discoloration is easier to remove than others.…”

Section: Discussionmentioning

confidence: 99%

Six-month color change and water sorption of 9 new-generation flowable composites in 6 staining solutions

et al. 2016

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“…A period of four weeks' immersion might be considered by some as too long an experimental period. However; in most in vitro studies 2,3,7,13,26,27,28) , the final period is typically four weeks or more in order to achieve a cumulative staining effect and obtain distinct results. One of the drawbacks in the present investigation might be related with the methodology utilized for the staining procedure.…”

Section: Teethmentioning

confidence: 99%

Color Stability of Different Denture Teeth Materials against Various Staining Agents

2008

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The purpose of this in vitro study was to evaluate the color stability of two brands of porcelain teeth and three brands of acrylic denture teeth. Samples were immersed into three staining drinks as test groups and distilled water as a control. Color measurements of teeth were performed by using a spectrophotometer. Before immersion, the initial color value of each tooth was recorded. Color change values were determined after 1 day, 1 week, 2 weeks, and 4 weeks of immersion. Color differences were characterized using the CIE L*a*b* color space. The color stability of all teeth was significantly affected by the immersion period (p<0.0001). Instant coffee was found to be the most chromogenic agent among the solutions tested (p<0.0001). Among the materials tested, porcelain was found to be more resistant to discoloration. It was concluded that acrylic teeth showed a higher degree of color change and that the amount of color change for each group increased proportionally with time.

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“…Debido a que no existe una estandarización o protocolo de exposición de las muestras en las bebidas pigmentantes, pues se encuentran en la literatura científica estudios con tiempos de exposición de 1 hora [25] hasta de 4 semanas [29], se decidió exponer los dientes a 10 días consecutivos, equivalentes a la suma de tiempos en que una persona con un alto consumo de bebidas oscuras (Coca-cola ® , vino tinto y café) expone sus dientes a estas sustancias durante un año.…”

Section: Figura 3 Exposición De Los Dientes a Las Tres Bebidas Oscurasunclassified

Efecto de las soluciones pigmentantes en el color de dientes tratados con ortodoncia fija: un estudio in vitro

et al. 2014

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Cómo citar este artículo: Acosta-Valderrama AL, Figueroa-Cadena H, Rivillas-Sánchez MC, Delgado-Perdomo L, Ruiz-Gómez A. Efecto de las soluciones pigmentantes en el color de dientes tratados con ortodoncia fija: un estudio in vitro. Rev Nac Odontol. 2014;10(18):49-56. doi: http://dx.doi.org/10.16925/od.v10i18.721 Resumen. Introducción: esta investigación pertenece a la línea de investigación "Terapéuticas y biomecánicas en ortodoncia y ortopedia" realizada en el 2013 por el grupo ODONTOPOSTGRADOSUCC de la Facultad de Odontología, sede Bogotá. El objetivo fue evaluar las alteraciones del color dental con tres bebidas oscuras, en dientes tratados con ortodoncia fija. Métodos: estudio experimental in-vitro, con 48 premolares humanos, aleatorizados en tres grupos de 16 dientes. Después de la cementación y descementación de brackets, los dientes fueron sumergidos durante 10 días a 37°C, en Coca-cola ® , vino tinto y café. El color fue medido antes de la cementación de brackets (T1) y después de la exposición a las sustancias (T2), con un espectrofotómetro (Vita Easyshade ® ). La diferencia en color (ΔΕ) fue calculada entre T1 y T2. Se aplicó la prueba t pareada y Bonferroni para determinar el significado de las diferencias en los parámetros L, C, h (p < 0,05). Resultados: se encontró una diferencia significativa en L, C, h (p = 0,05); los cambios de color fueron significativos: entre 79,8 (Coca-cola ® ) y 7,5 (café) unidades ΔΕ. Conclusiones: los dientes presentaron cambios en el color del esmalte grabado al someterse a bebidas oscuras, presentando mayor diferencia con Coca-cola ® y menor con café.Palabras clave: esmalte dental, decoloración dental, espectrofotometría, agentes colorantes. The effect of discoloration solutions on the color of teeth treated with fixed orthodontics: An in vitro studyAbstract. Introduction: this research was conducted in 2013 by the ODONTOPOSTGRADOSUCC group at the Faculty of Dentistry, Bogotá campus, and belongs to the "Therapeutics and biomechanics in orthodontics and orthopedics" line of research. The aim of the research was to evaluate changes in tooth color with three dark beverages, for teeth treated with fixed orthodontics. Methods: in this in-vitro experimental study, 48 human premolars were randomly split into three groups of 16 teeth. After cementing and then de-cementing braces, the teeth were submerged in Coca-Cola ® , red wine and coffee for 10 days at 37°C. Color was measured before cementing braces (T1) and after exposure to the substances (T2) with a spectrophotometer (Vita Easyshade ® ), to calculate the difference in color (Δe) between T1 and T2. Paired and Bonferroni t-tests were applied to determine the significance of difference in the parameters L, C, h (p < 0.05). Results: a significant difference was found in L, C, h (p = 0.05). Changes in color were significant: between 79.8 (Coca-Cola ® ) and 7.5 (coffee) ΔΕ units. Conclusions: teeth presented changes in the color of etched enamel when subjected to dark beverages, with the greatest differences occurring with ...

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Color Change of Newly Developed Esthetic Restorative Material Immersed in Food-simulating Solutions

Cited by 52 publications

References 18 publications

Six-month color change and water sorption of 9 new-generation flowable composites in 6 staining solutions

Six-month color change and water sorption of 9 new-generation flowable composites in 6 staining solutions

Color Stability of Different Denture Teeth Materials against Various Staining Agents

Efecto de las soluciones pigmentantes en el color de dientes tratados con ortodoncia fija: un estudio in vitro

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