List some types of toothpaste please? 10 points easy!?

trying to get a headstart on my science experiment, im soaking eggs in coffee for 10 days, so it will stain the eggs, then brushing the eggs with different types of toothpaste to see which toothpaste is most effective. so what i wanted to know was, what are some types of toothpastes that would be good for this project? i dont know if i should compare brands or types, like 3D white, flouride etc. help! 10 points easy!