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Related Experiment Video

Updated: Nov 1, 2025

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
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Can We Prevent Coffee Stains on Teeth?

Tugce Odabas1, Rufat Hajiyev2, Ahmet Gultekin1

  • 1Department of Restorative Dentistry, Faculty of Dentistry, Akdeniz University, Antalya, Turkey.

Journal of Medicinal Food
|June 23, 2021
PubMed
Summary
This summary is machine-generated.

Consuming acidic beverages like cola or orange juice before drinking coffee can significantly worsen tooth staining. None of the tested beverages, including milk and green tea, protected teeth from coffee discoloration.

Keywords:
beveragescoffeecolortooth

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Area of Science:

  • Dental Science
  • Materials Science

Background:

  • Coffee is a common beverage known to cause tooth staining.
  • The effect of pre-treating teeth with other beverages on coffee-induced staining is not well understood.

Purpose of the Study:

  • To investigate whether common beverages consumed before coffee affect tooth staining.
  • To determine if any beverages offer protection against coffee stains.

Main Methods:

  • 50 incisor teeth were colored using the CIELAB system.
  • Teeth were immersed in water, milk, green tea, orange juice, or cola for 10 minutes daily for 5 days.
  • Following beverage immersion, teeth were immersed in coffee for 24 hours.
  • Color changes and elemental composition (calcium, phosphorus, potassium, magnesium) were analyzed.

Main Results:

  • All tested beverages, including water, resulted in perceptible color changes after coffee immersion.
  • Soaking teeth in cola or orange juice before coffee significantly increased tooth discoloration.
  • No tested beverage provided protection against coffee staining.

Conclusions:

  • Acidic beverages like cola and orange juice can exacerbate tooth staining when consumed before coffee.
  • No common beverages tested effectively protect teeth from coffee-induced discoloration.
  • Individuals should be aware that certain beverages may worsen coffee stains.