Which Toothpaste is the best for cleaning?
Question: Which toothpaste is the best for cleaning?
Hypothesis: I think Colegate is because it's dentist recommended
Procedure:
1. Buy the toothpastes (3-5 types)
2. Buy marble tiles and put marker on them
3. Purchase toothbrushes
4. Scrub marker off with 10 strokes
5. Record data and rate how we'll it's cleaned rate 1-5
6. Repeat 3 times