This could indeed be a genetic thing. The people living in the far most north ice lands (we call them "Eskimos" here in Germany) only have a reduced number of these teeth in the back of the cheeks (i don't know the correct term - "molar" ? )
When you find a big kettle of crazy, it's best not to stir it. --Dilbert cartoon
"Interplay.some zombiefied unlife thing going on there" - skavenhorde at RPGWatch
