Science Project Summary:

Staining of teeth by beverages

Featured science projectScience project video Beginner 3 < 1 day $50-$100 [+] More info
Difficulty: Beginner 3
Cost ($): 50
Time required: < 1 day
1 hour for preparation, 1 hour for the science fair project experiment
Availability of materials:
A dentist might be able to provide the teeth required for this experiment
Required Skills: None
Safety concerns:


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This science fair project was performed to compare the amount of stains left on our teeth by the beverages we drink. The tests were done by comparing the effects of coffee, tea, grape juice, red wine and Coca-Cola, when exposed to tooth enamel.
Procedure preview:
1.    For this science fair project, the independent variable is the type of beverage used to stain the teeth. The dependent variable is the degree of staining on the tooth. This is determined by comparing the stains on the teeth after removing them from the beverages. The constants (control variables) are the temperature of the beverages, the whiteness of the teeth used and time the teeth are left in the cup. 2.    Brush the 5 loose teeth with the toothbrush and toothpaste until all the teeth reach a similar color. 3.    Fill 5 cups with coffee, tea, grape juice, red .....