Literary translation theory is a young and rapidly growing branch of philological science in the USSR. In a number of republics, the Academy of Sciences has established sections on the theory and history of translation.
slide 1 of 4. Mouth Bacteria Of all the types of microbes living in your mouth, bacteria are the most numerous. It has been estimated that there are over 100 million in every millilitre of saliva from more than 600 different species. Unless there are open wounds or cuts inside your mouth, most mouth bacteria will do you no harm.
Before we can understand how toothpaste works, we must first understand our mouths. Your mouth is your own private zoo, containing one or more of 500 types of microorganisms. Some of these, mainly streptococcus mutans, create sticky plaque from food residue in your mouth.