All the places that can be kissed are also the places that can be bitten, except
the upper lip, the interior of the mouth, and the eyes. The qualities of good teeth
are as follows: They should be equal, possessed of a pleasing brightness,
capable of being coloured, of proper proportions, unbroken, and with sharp ends.
The defects of teeth on the other hand are that they are blunt, protruding from
the gums, rough, soft, large, and loosely set.
The following are the different kinds of biting: