Sorry there has been some misunderstanding here... excusé moi!
I did not write the book (and btw have also stopped using toothpast since over a year now because thereŽs Fluoride in every toothpaste that available where I live...) The aforementioned book was written by the person whose info IŽd copied and pasted from google, as IŽd mentioned. Thought IŽd leave it in just in case someone else may have been interested in reading up some more on Na-bicarbonate or baking soda. The many different names for the same thing can be confusing.
Thanks again!