Depends on where in the world you are
![Tongue :P](https://smiley.babywhispererforums.com/Smileys/classic/tongue.gif)
. Guidelines differ.
The UK says 12 months for stopping, but I believe the US is earlier. The reason for this is that their dishwashers are actually a lot hotter.
I stopped at 11 mths after fishing DH's shoe out of his mouth. It just suddenly seemed stupid.
Personal choice at the end of the day I think.