My science fair project was called, "Are You Using The Right Toothpaste?" I was experimenting to see which of the toothpastes I got (Crest, Colgate, and Aquafresh) would clean teeth the best. First I stained the sets of teeth with chocolate syrup. Then when I started brushing the stained teeth, I noticed a lot of stain coming off. I repeated the same step with the other plastic teeth, which came out with the same results. I guess plastic teeth can't hold stains properly. Maybe next time I should brush my own teeth instead of brushing teeth that can't hold stains properly.
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