The mouth is not a sterile environment. It's teeming with bacteria, hundreds and hundreds of different kinds of bacteria.

We're not aware of any information that indicates using a toothbrush without sterilizing it causes disease transmission or prolongs disease.

People have been using toothbrushes for quite a long time now, and they seem to be surviving pretty well.

It's the little things that count, hundreds of 'em.

The bacteria gets in their mouth and it sits there. It's nasty. But humans are not on their dinner list.

The sterile, arid environment created by truly jarring and discordant signage and gargantuan billboards is a turnoff.