All round deep cleaning: The twisting design of the spiral bristles create the concave-convex surface on the bristles, thus, can thoroughly remove the plaque hide between teeth and gums in a speedy way, and lead to deep cleaning function.

White & shiny teeth: Spiral pattern can increase the contact point of the bristles & teeth surface, clean the surface of the teeth closely; thoroughly remove stain, make teeth white & shiny.

Promoting the flexibility of bristles: Enhancing the flexibility of bristles, made it more elastic, enrich the cleaning feeling during teeth & gums massage.