A. HADES, the hard end
Industrial nylon. For the tops of your molars only. Also strips paint.

C. Bluetoothpaste reservoir
Refills from us only. Like printer ink, but in your mouth.

E. blueTOOTH antenna
Named after King Harald Bluetooth, who reputedly had a dead tooth. Long overdue.

G. PERSEPHONE, the soft end
Softest nylon known to science. Everything else. Spares the gums six months a year.

B. Cerberus coupling
Joins the two heads together. They do not get on.

D. Large Language Molar
The AI. Decides how much paste you need. The answer is more.

F. Time server
Kerberos refuses to work if clocks differ by over five minutes. So does the brush.

Kerberos Mk I

FIG. 1. Exploded view. Do not explode at home.

PATENT PENDING
Jamie is looking into it

Mythological note: the dog Kerberos had three heads. Ours has two. Legal has asked us to stop counting.

Scale: 1 tooth = 1 tooth