Effect of tea, coffee and turmeric solutions on the colour of denture base acrylic resin: an in vitro study

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Evaluating the Effects of Different Polishing Methods on Color Stability of Dental Restorations in Pediatric Dentistry
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Evaluating the Effects of Different Polishing Methods on Color Stability of Dental Restorations in Pediatric Dentistry

Published on: June 6, 2025

S V Singh1, Priyanki Aggarwal

  • 1Santosh Dental College and Hospital, Ghaziabad, U.P. India.

Journal of Indian Prosthodontic Society
|September 3, 2013
PubMed

Keywords:
Acrylic resin denture baseColour stabilitySpectrophotometer

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Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...