Arm & Hammer Tooth Powder: abrasivity index of only 08
most toothpastes contain an abrasive such as calcium carbonate to help remove the plaque
Your question cannot be answered because you did not tell what "it" is.
It is quite simple, all they do is the exact opposite of how you get it out but the back of the tube is open so they "vacume" it in then seal off the back.
A gel or paste used to clean and improve health of teeth.