Straight baking soda is actually the least abrasive option on the lists. Here's a link: http://www.sheltondentistry.com/patient-information/toothpaste-abrasivit

Straight baking soda is actually the least abrasive option on the lists. Here's a link: http://www.sheltondentistry.com/patient-information/toothpaste-abrasivity/ http://www.sheltondentistry.com/patient-information/toothpas... If one is concerned about rubbing their teeth away, baking soda and salt will rapidly dissolve in the saliva.