Hacker News Reader

Be careful with baking soda. It is abrasive to emanel. Use sparingly and allow emanel to regenerate.

Straight baking soda is actually the least abrasive option on the lists. Here's a link: 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.