A dedicated pressurization chamber inside the handle aerates the water-toothpaste mixture at high speed, transforming it into a continuous stream of high-density microbubbles.

This is not ordinary "foaming" — each microbubble measures mere tens of microns in diameter, uniformly suspended in liquid, forming an energy-carrying cleaning medium.

Named after the "Coanda Effect" in fluid dynamics — when a liquid jet approaches a curved surface, it naturally attaches and follows the contour.

The AirJet bubble brush head harnesses this physical principle to guide microbubble flowprecisely along the natural contours of teeth and automatically into interdental spaces.

No technique required. No deliberate aiming. The fluid finds its own way.

AirJet draws inspiration from this principle, recalibrating the coupling betweenvibration frequency and oscillation amplitude to replicate a reverse Kármán vortexstreet effect within the oral cavity. Each micro-oscillation of the brush head is no longer mere mechanical friction — it becomes a directional forward-propelling fluid pulse, driving high-density microbubble streams precisely into the depths of every interdental space.