When you use toothpaste, part of a protist is to smooth and clean your teeth. which part of the protist and type of protist are most likely responsible for this benefit to humans?

The protest that is present in toothpaste belongs to the phylum Chrysophytes species Diatoms. It has a flexible cell membrane which is made of silica. This will help them keep their cells shape, provides protection and helps keep water in its body.

we would need to see the picture to answer it