I love brushing my teeth! I love Crest 3D White toothpaste! Oh the minty freshness. Well I learned today those little micro beads in the toothpaste can be quite harmful to your gums. Dentists are seeing more and more cases of these little polyethylene beads getting lodged in patients gums. Yikes! Check out the article below, and perhaps ponder changing your toothpaste. I know I am! Good luck.