Your mouth contains over 500 types of micro-organisms and we constantly 'manufacture' plaque which will regrow on teeth that are completely clean within 3 to 4 hours of brushing. Toothpaste is also called a 'dentifrice' .. A substance, such as a...
Your mouth contains over 500 types of micro-organisms and we constantly 'manufacture' plaque which will regrow on teeth that are completely clean within 3 to 4 hours of brushing. Toothpaste is also called a 'dentifrice' .. A substance, such as a...