The effect of staining solutions on the color stability of the provisional restorative materials (original) (raw)
Related papers
Color stability of esthetic restorative materials: a spectrophotometric analysis
2016
Objective: The aim of this in vitro study was to evaluate the color stability of different restorative materials (one microfilled composite, one nanofilled composite, one nanohybrid composite and one Ormocer-based composite) after exposure to different staining solutions (coffee, cocacola and red wine). Material and methods: All materials were polymerized into silicon rings (2mm 6mm 8mm) to obtain specimens identical in size. Thirty cylindrical specimens of each material were prepared. They were immersed in staining solutions over a 28-day test period. A colorimetric evaluation according to the CIE Lab system was performed by a blind trained operator at 7, 14, 21, 28 days of the staining process. The Shapiro–Wilk test and Kruskal–Wallis ANOVA were applied to assess significant differences among restorative materials. The paired t-test was applied to test which CIE Lab parameters significantly changed after immersion in staining solutions. Results: All restorative materials showed clinically perceptible color differences after immersion in coffee. L and b values showed the highest variability. Coca cola and red wine did not influence the color stability for all restorative materials except for Filtek Supreme XTE. Conclusions: Coffee caused a significant color change in all types of tested composite resins. Filtek Supreme XTE demonstrated alone a staining susceptibility to red wine; no other significant differences among the materials were demonstrated. Long-term exposure to some food dyes (coffee in particular) can significantly affect the color stability of modern esthetic restorative materials regardless of materials’ different composition.
International Journal of Contemporary Medical Research [IJCMR], 2019
Introduction: Long term success of any composite resin restorative materials mainly depends on their color stability. The aim of the investigation was to examine the color stability of three resin-based composite materials with a high content of inorganic filling material (Spectrum, Filtrex Z350 and Tetric N Ceram). Material and Methods: Changes in color of test samples were determined after complete immersion in test solutions used primarily in Kashmiri population viz. Kashmiri tea, Saffron Kehwa and a turmeric solution. Color differences were measured by using a spectrophotometer and CIE L*a*b* color scale and the total amount of color difference was represented as ∆E. Results: For all composite resins, Turmeric solution caused the most severe cases of discoloration (∆E > 8.25). Kashmiri tea and Saffron Kehwa caused invisible (∆E <1) or visible (∆E >1) discoloration. In some samples clinically unacceptable (∆E > 3.3) discoloration was noted. Conclusion: No significant difference was found among the composite resins or between color values of specimens immersed in Kashmiri tea or Saffron kehwa. Immersing specimens in turmeric solution caused greater color change in all types of composite resins tested. It is apparent from the results that it is essential to improve the color stability of the composite resin materials used in esthetic zone.
Restorative Dentistry & Endodontics, 2015
The effect of different drinks on the color stability of different restorative materials after one month Objectives: The aim of this study was to evaluate the effect of three different drinks on the color parameters of four different restorative materials. Materials and Methods: Three different composites (Filtek Ultimate Universal Restorative, Filtek Ultimate Flowable, and Filtek Silorane, 3M ESPE) and a polyacid-modified composite resin material (Dyract XP, Dentsply DeTrey GmbH) were evaluated. Eighty-four disc-shaped specimens of 8 mm in diameter and 2 mm in thickness were prepared (n = 21 each). Color coordinates (L*a*b*, ΔL*, Δa*, Δb*, and ΔE*) were measured using a VİTA Easyshade Compact (VİTA Zahnfabrik) after 24 hr of storage (baseline) and after 30 day of storage in three different beverages of black tea, Coca cola, or water (control) (n = 7). In each beverage, the specimens were stored three times a day, one hr each, for 30 day. The color changes (ΔE) were calculated and were analyzed by Kruskal-Wallis and Dunn multiple comparison test. Results: The color difference (ΔE*) of the resin materials ranged between 1.31 and 15.28 after 30 day of immersion in the staining solutions. Dyract XP in Coca cola (15.28 ± 2.61) and black tea (12.22 ± 2.73) showed the highest mean ΔE* value after 30 day, followed by Filtek Ultimate Universal Restorative (5.99 ± 1.25) and Filtek Ultimate Flowable (4.71 ± 1.40) in black tea (p < 0.05). Conclusions: The compomers displayed unacceptable color changes at the end of 30 day in all beverages. Among resin composites, the silorane based composite exhibited relatively good color stability than the others. Filtek Ultimate Universal Restorative and Filtek Flowable showed similar color changes in all beverages.
Aim: To compare the colour stability different types of provisional restorative materials in commonly consumed food colorants in India. Materials and Methods: The six different types of provisional restorative materials used were heat-cured polymethyl methacrylate provisional restorative material, self cured poly methyl methacrylate temporary material, light cured composite resin material, chemically cured bis-acrylic composite resin temporary material, self cured composite resin composite resin temporary material and dual cured composite resin. 50 specimens in the shape of discs were prepared from each material. 10 specimens of each type were immersed in 4 staining solutions-tea, coffee, cola and rasam. The color change of the specimens was recorded using a reflectance spectrophotometer. The results were analysed using ANOVA analysis. Results: All the materials showed statistically significant color change in all the colorants. Heat-cured polymethyl methacrylate material showed the least color change while light cured composite resin showed the maximum color change in all solutions. Conclusion: The provisional restorative materials tested in the present study did not show satisfactory color stability in the food colorants that are commonly consumed in India.
Color Stability of Acrylic Resin Teeth After Immersion in Staining Solutions
International journal of odontostomatology, 2019
The objective of this study was to evaluate the color alteration of four brands of artificial teeth (Art Plus, Trilux, Bionote and Biolux), after immersion in color solutions of coffee, red wine and urucum. We used 80 artificial teeth, which were standardized with 2 mm thickness. Then, they were subjected to finishing and polishing, and divided into 4 groups (n = 05), which were immersed in one of the 3 types of dye, plus distilled water (control). The samples were immersed daily for 4 hours, then they were removed, washed in tap water, dried with absorbent paper and immersed in distilled water for the subsequent hours in a biological glasshouse at 37 ºC, for 21 days. The evaluation of the color change was made in the periods of 0, 7, 14 and 21 days, by means of the tristimulus colorimeter. The data were subjected to the ANOVA and Tukey test with a 5 % significance. The results showed that the urucum was the substance that caused the greatest staining while the coffee and the wine did not show statistical difference. Regarding trademarks, Trilux presented a statistical difference compared to the other commercial brands, revealing colorimetric alteration only in the 14-day period. It was concluded that the composition of the artificial teeth, the type of pigmenting agent and the immersion time determine the color change.
Color Stability Of Different Restoratives After Exposure To Coloring Agents
Journal of American Science, 2012
Objectives: To evaluate color stability of three different restoratives and efficacy of sonic-brushing in preventing color changes of these restoratives when subjected to coloring agent. Methods: 70 discs (5mm diameter x 2mm thick) made of each tested restorative [Ketak N100 (KN), 3M/ESPE, Beautifil II (BII), Shofu and Filtek Supreme Ultra (FS), 3M/ESPE]. Ten specimens were used as control while other 60 specimens were subdivided into six subgroups (n=10); First, second and third subgroups immersed in cola, coffee and tea respectively for 10 min. 3times daily. Fourth, fifth and sixth subgroups immersed in cola, coffee and tea respectively for 10 min. 3-times daily and brushed with sonic-brush for 1min. after each exposure. Specimens were immersed in artificial saliva between staining and brushing challenges. After a month, all specimens tested for quantitative color changes using Quanta-Environmental Scanning Electron Microscope. Data statistically analyzed using Three-way ANOVA and Tukey's post-hoc test (P≤0.05). Results: The mean color change of non-brush-cycled subgroups (124.1pixel) showed statistically significantly higher values than brush-cycled subgroups (118pixel). BII showed the highest mean color change values (126.4pixel), whereas, no significant difference found between FS (117.4pixel) and KN (120.7pixel). Conclusions: The tested nanoionomer and nanocomposite performed similarly under the test conditions. Brushing specimens after staining improved the color changes of the tested materials.
International Journal of Composite Materials, 2012
This study was designed to evaluate the effect of water absorption of three resin based composite materials on their color stability Methods: using scanning spectrophotometer. A total of 45 disc samples were constructed from microhybrid resin composite, polyacid modified resin composite and giomer. It should be mentioned that the selected shade is A2. Then inserted in water for water absorption test. Using five different drink [mouth rinse (37•C) (Chlorohexidine containing mouthwash), tea, coffee, red wine and de-ionized water (37•C)] with no exposure to a light source (neutral sample). Three specimens from each restorative material were made for each type of drink. All the color testing were carried out according to the CIE-L * a * b * -color system whereby L * indicates the brightness of a color, a * describes the red-green content and b * the yellow-blue content.
Discoloration of different esthetic restorative materials: A spectrophotometric evaluation
2017
Objective: A crucial property of esthetic restorative materials is their long‑term color stability. The aim of this in vitro study was to evaluate the color stability of esthetic restorative materials (one microfilled flowable composite, one nanofilled composite, one nanoybrid composite, one microfilled composite, and one nanoybrid ormocer‑based composite) after surface roughening with cola and exposure to different staining solutions (coffee and red wine). Materials and Methods: All materials were polymerized into silicone rubber rings (2 mm × 6 mm × 8 mm) to obtain 150 specimens identical in size. Seventy‑five specimens of Group A were first exposed to cola for 24 h, and then samples were immersed in coffee or red wine over a 28‑day test period. A colorimetric evaluation, according to the CIE L*a*b* system, was performed at 7, 14, 21, 28 days. Shapiro–Wilk test and Kruskal–Wallis analysis of variance were applied to assess significant differences among restorative materials. Means were compared with Scheffe’s multiple comparison test at the 0.05 level of significance. Results: Specimens of Group A showed higher variations when compared with Group B’s specimens (P < 0.05). After 28 days, the immersion protocols caused a clinically perceivable color change for all materials tested (P < 0.05). Ceram·X Universal and Admira Fusion showed the lowest ΔE variations (P < 0.05). Conclusions: Staining beverages caused significant discolorations for all the materials tested. The first exposure to cola enhanced the subsequent staining with coffee or red wine. Nanohybrid composites reported the lowest color variations.
Innovative publication, 2016
Purpose: The present invitro study was conducted to evaluate and compare the colour stability of four commercially available provisional restorative materials. Methods and Material: In the present study a customized 3 piece brass mold with the middle section of (2mm thick & 7mm diameter) was used to fabricate auto polymerizing bis-acryl resin specimens. 30 samples were prepared for each group and checked for colour stability in coffee and tea. One way Analysis of variance (ANOVA) and post hoc test was done for inter comparison between groups. Results: The findings from the study show the mean reflectance value of structure 2 SC was 22.839 followed by Systemp c & b with 21.699, Integrity with 21.186 and Protemp with a mean of 21.036. Conclusion: Structure 2 Sc (Voco) displayed the more color stability and followed by system c & b and Integrity and protemp 4.
2020
Color stability and surface roughness of different recent provisional restorative materials” An In vitro study Mohamed M Dabash1, Hoda M Abdel Sadek2, Omaima S El Mahalawi 3, Tarek S Morsi4. Abstract Objectives: To evaluate the effects of staining solutions on the color stability and roughness of different provisional resin materials. Materials and methods: The 105 specimens were divided into5 groups according to type of provisional restorations twenty one test specimens for each group (N=21).Each material group specimens subdivided into 3 subgroups according to coloring solutions (n=7) one group immersed in artificial saliva, the second in coffee solution and the third in mouth wash. Baseline color measurements, using spectrophotometer then after 2 and 4 weeks to measure color change (ΔE) by means of the CIE L*a*b* system. Surface roughness also were measured using profilometer for all specimens before and after immersion in staining solutions. Results: In Color change (ΔE) the res...