Join Date: Apr 2006
Location: Los Angeles, California
Programs: United LT-GS, AA LT-Plat, Hyatt LT-Globalist, Hilton LT-Diamond, Marriott LT-Titanium, Hertz PC
Posts: 15,832
I spoke to a dentist on this topic last week. I was cautioned that baking soda can excoriate (her term) the surface enamel, so it should be used sparingly. Funny, soot is better!