Join Date: Jan 2006
Location: Half the distance to EWR than PHL.
Programs: UA, AA, B6, BA, Hilton, Hyatt, Marriott, IHG, SPG
Posts: 11,695
Straight off the shelf baking soda is not good for your teeth. The particle size is much smaller than what you find in tooth poweder and has a real sand paper effect. (family member once worked on developing a tooth power product)