Journal: Drug Invention Today

Article Id: JPRS-Other-00002181
Title: Evaluation of color stability of temporary crown materials with artificial staining – an in vitro study
Category: Others ( DIT Related Science )
Section: Research Article
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    Background: Provisional restorations in fixed partial dentures are best used for to protect pulp and thereby providing thermal stimulation preventing leakage by forming an intimate seal with the teeth that are prepared during the process of the fabrication of a definite prosthesis. Aim: The aim of this in vitro study is to evaluate the color stability of three provisional materials (1) polymethyl methacrylate (DPI), (2) Bis-acryl composite (Protemp TM II- 3M ESPE), and (3) light polymerized composite resin (Revotek LC-GC). Materials and Methods: A total of 120 specimens were prepared using three provisional materials were subjected to four subgroups of artificial stains such as tea and coffee solution, coca cola, and turmeric solution with distilled water as a control group. Color measurements were made using reflectance spectrophotometer with CIELAB system at time intervals at 2, 5, 7, 10, and 15 days. 6 samples were randomly selected. After 10 repeated measurements, mean values were compared using one-way analysis of variance with 5% confidence interval and multiple range Tukey honest significant difference to identify the statistical difference at 5% level where P ≤ 0.05 was considered. The reliability of values was obtained by the intraclass correlation coefficient. Results: Revotek LC showed clinically accepted color change whose value was ∆E < 3.7 with all the staining solutions except the turmeric solution over the 15 day period. The staining potential of turmeric solution was maximum followed by coffee, tea, and coco cola at all time intervals. The results showed high reproducibility as l* = 1.000, a* = 0.9342, b* = 1.000. Conclusion: Revotek LC is the most stable materials in term of color followed by Protemp and DPI. Among the staining materials used turmeric proved to be having the highest staining potential followed by coffee, tea, and coca cola.

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    Author(s) Name:

    M. Keerthna, Ashish R. Jain*

    Affiliation(s) Name:

    Department of Prosthodontics and Implant Dentistry, Saveetha Dental College, Saveetha University, Chennai, Tamil Nadu, India

    *Corresponding author: Dr. Ashish R. Jain, Department of Prosthodontics, Saveetha Dental College, Saveetha University, 162, Poonamallee High Road, Chennai – 600 077, Tamil Nadu, India.

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    M. Keerthna, Ashish R. Jain*

    Title:Evaluation of color stability of temporary crown materials with artificial staining – an in vitro study
    Journal:Drug Invention Today
    Vol(issue):10 (April)
    Page No: (520-524)
  • Experimental Methods Keywords

    Methodology:Color stability, Provisional materials, Spectrophotometer, Staining potential
    Research Materials:temporary crown materials


Artificial stains Color stability Provisional materials Spectrophotometer Staining potential

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