scholarly journals Effect of Green, Tulsi, and Areca Teas on the Color Stability of Two Composite Resin Materials – an in vitro Spectrophotometric Analysis

2020 ◽  
Vol Volume 12 ◽  
pp. 423-428
Author(s):  
Akshata Patil ◽  
Vidya-Saraswathi Muliya ◽  
Kalyana-Chakravarthy Pentapati ◽  
Shobha Kamath
Keyword(s):  
Composite Resin ◽  
Color Stability ◽  
Spectrophotometric Analysis

scholarly journals Color Stability of Bulk Fill Composite Resins Submitted to Coffee Staining

2020 ◽  
Vol 24 (1) ◽  
Author(s):  
Beatriz Maria Arruda ◽  
Julio Cesar Bassi ◽  
Rafael Pino Vitti ◽  
Renata Siqueira Scatolin
Keyword(s):  
Analysis Of Variance ◽  
Composite Resin ◽  
Color Change ◽  
In Vitro Study ◽  
Color Stability ◽  
Composite Resins ◽  
Vitro Study ◽  
Change Analysis ◽  
Cie Lab

 Objective: The aim of this in vitro study was to evaluate the color stability of different bulk fill composite resins after extrinsic staining with coffee. Material and methods: Forty-eight disk-shaped specimens (6 mm diameter x 2 mm thick) of each composite resin were prepared for color change test. The composite resins were divided into 4 groups (n=12): one conventional composite resin (Filtek Z250) and three bulk-fill composite resins (Filtek Bulk Fill, Aura Bulk Fill, and Opus Bulk Fill). The samples were stained with 20 mL coffee solution for 7 days, with the solution being replaced every 24 h. The color change analysis was performed using a spectrophotometer, according to the CIE Lab formula. Data were analyzed using the Analysis of variance (ANOVA) and Tukey HSD tests (?=0.05). Results: The results revealed significant differences in color change among the composite resins tested (?<0.0001). The Aura Bulk Fill and Opus Bulk Fill showed the highest color change values. Conclusions: Thus, all the resins analyzed were susceptible to extrinsic staining with coffee, and the Filtek Bulk Fill showed the lowest color change value.

scholarly journals The Effect of Arabian Coffee, Black Tea and Orange-juice on Microhardness and Color Stability of Hybrid Composite Resins. An in vitro Study

2021 ◽  
Vol 58 (1) ◽  
pp. 218-227
Author(s):  
Mohammed A. Al-Qarni ◽  
Gotam Das ◽  
Shahabe Saquib ◽  
Muhammad Sibghatullah ◽  
Manea Musa Alahmari ◽  
...  
Keyword(s):  
Orange Juice ◽  
Composite Resin ◽  
In Vitro Study ◽  
Color Stability ◽  
Black Tea ◽  
Vitro Study ◽  
Control Group ◽  
The Everyday ◽  
Composite Resin Restorations

The main aim of the present in-vitro study is to assess the effect of daily consumable drinks on the aesthetics of the dental composite resin materials. Sixty-four microhybrid and nanohybrid direct composite resin (3M™ Filtek™ Z350 XT Universal Restorative, Filtek™ Bulk Fill Flowable Restorative, USA) block samples were made with a dimension of 15mm X 2mm and are allocated into four groups. Each sample was immersed in test media such as Arabic coffee, black tea, orange-juice and distilled water as control group at room temperature for 15 days (n = 16). The color stability and microhardness measurements were taken at pre-immersion and after two weeks of immersion in test media. These parameters were assessed by electro spectrophotometerusing the CIE (Commission Internationale de l'Eclairage) system and Vickers microhardness indenter respectively. Each group was immersed in its test media for the complete duration of the study. On completion of 15 days, the samples were blot dried out with absorbent paper and microhardness dimensions and color stability measures were performed. The collected data was subjected to statistical analysis to formulate the results. Significant discoloration was observed with the Arabic coffee, black tea and orange-juice compared with control group. The Arabic coffee caused most significant discoloration followed by black tea and orange-juice. Although the highest values of microhardness was noted in the Arabic coffee followed by black tea and orange juice, whereas the lowest values were noted in the control. The color stability and microhardness of the composite resin restorations is affected by the everyday drinks that are consumed, from some more than others. Some of the everyday drinks affect the color stability and microhardness of the composite resin restorations more than the others.

scholarly journals A Spectrophotometric Analysis of Color Changes in Metal Ceramic Restorations by Varying Porcelain Thickness and Repeated Firings: An in vitro Study

2015 ◽  
Vol 5 (2) ◽  
pp. 38-43
Author(s):  
Sunantha Selvaraj ◽  
Ramesh Raju ◽  
Vidhya Zankari ◽  
Manonmani Vijayakumar
Keyword(s):  
In Vitro Study ◽  
Color Stability ◽  
Spectrophotometric Analysis ◽  
Statistic Analysis ◽  
Dental Ceramics ◽  
Color Changes ◽  
Paired Samples ◽  
Metal Ceramic ◽  
Ceramic Restorations

ABSTRACT The dental profession has long been concerned with the problem of matching the appearance of porcelain restorations with a patient's natural dentition. The esthetics of any restoration depends on outline form, surface form, translucency and color. Purpose The objective of this study is to find out the adequate porcelain thickness required for metal ceramic restorations to match the color of the shade guide and effect of repeated firing on quality and physical characteristics of dental ceramics. Methods Preparation of samples done first by preparing alloy substructure. A total of 15 samples of uniform thickness 0.5 mm was prepared using Ni-Cr alloy. Fusion of porcelain to alloy substructure done. Fifteen samples, five 0.5 mm thickness samples, five 1 mm samples and five 1.5 mm porcelain thickness samples were prepared. Color evaluation done by spectrophotometer. Statistic analysis Statistic analysis methods employed in the present study were ANOVA-one way, Scheffe's post hoc test and paired samples ‘t’ test. Conclusion The thickness of porcelain significantly affects the color of a given porcelain sample. Increasing the thickness gives better results. On repeated firings two and 10 firing did not affect the color stability. How to cite this article Raju R, Selvaraj S, Zankari V, Vijayakumar M. A Spectrophotometric Analysis of Color Changes in Metal Ceramic Restorations by Varying Porcelain Thickness and Repeated Firings: An in vitro Study. Int J Prosthodont Restor Dent 2015;5(2):38-43

scholarly journals Spectrophotometric analysis of the color stability of white mineral trioxide aggregate in contact with four different irrigating solutions - An in vitro study

2020 ◽  
Vol 23 (4) ◽  
pp. 377
Author(s):  
DishaLalit Mehta ◽  
Sathish Abraham ◽  
AradhanaBabu Kamble ◽  
SnehaDhruvkumar Vaswani ◽  
HarshalB Najan ◽  
...  
Keyword(s):  
Mineral Trioxide Aggregate ◽  
In Vitro Study ◽  
Color Stability ◽  
Spectrophotometric Analysis ◽  
Vitro Study ◽  
White Mineral

Assessment of the effects of staining solutions, carbamide peroxide, and mouthwashes on color stability of composite resin

2014 ◽  
Vol 1 (2) ◽  
pp. 36-41
Author(s):  
Erica Crastechini ◽  
Paula de Siqueira Barbosa ◽  
Heleine Maria Chagas Rego ◽  
Priscila Holleben ◽  
Carlos Rocha Gomes Torres ◽  
...  
Keyword(s):  
Composite Resin ◽  
Color Stability ◽  
Carbamide Peroxide
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