3 ms·Didn't they test this on mythbusters at some point?by changoplatanero 4y agoDidn't they test this on mythbusters at some point?Hnrobert42 4y agoYes. I remember they found the bacteria did spread to toothbrushes in the room.bradyd 4y agoThey also found it spread to toothbrushes in other rooms as well.Aachen 4y agoBut it was much much more on the in-room brushes right? Just comparitively I mean. Guess imma have to watch that episode again.