Some toothbrush shapes will suit some mouths better than others. Make sure that your toothbrush bristles comfortably reach your backmost molars, as some brushes may be too large or wide.

But rats can make people's mouths water in southern China, and some believe that their flesh is more nutritious than pork or chicken.

Generally speaking, very few of those who were born with a silver spoon in their mouths will make the mark.