Here is something truly problematic. I don't know if this will process through MakeClothes, but I'm sure lots of people will want to try this out. It has lots of problems, not the least of which is that your model needs to be rigged to use this effectively.
I create a second jaw (Alien-style) for my models, so that the teeth will look right in a render.
Here is the example:
Blender users can try to build this themselves with the diffuse texture: :
And the wavefront stuff you will need:
http://www.geekopolis.ca/wavefront/vampireteeth.obj
http://www.geekopolis.ca/wavefront/vampireteeth.mtl