I am thankful for toothpaste. I mean, I can't imagine what my mouth would feel like if I didn't have toothpaste to clean my mouth. I've had to go without before and the best I could do was rinse my mouth with water and I have brushed them before with only a toothbrush and water. I suppose it's better than nothing - but not much! I have no idea who invented toothpaste (click here for some history) and frankly don't care, I'm just glad I have it!