I think thare are some questions about using baking soda to teeth whitening.
Is it good or bad to use baking soda on teeth ?
Baking soda has an mild abrasive nature. It helps to remove built-up plaque and surface stains. And also baking soda is alkaline and salty, which helps lighten acid-based food stains such as those from coffee,tea and red wine on teeth.
Baking soda can also damage your enamel if you brush with it too aggressively. Therefore don’t overuse.
How often should you brush your teeth with baking soda ?
When using baking soda to brush your teeth you must focus on protecting the teeth’s enamel from damages. It can damage the enamel as a result of frequent use. It should generally only be use about once per a week and for 2 minutes at a time.