De dentium affectibus

XXIIX.
For, how otherwise could teeth that are broken and half-rotted, or rather mere relics of them, being altogether deprived of life, be possessed of sensitivity in themselves, can by no means be conveniently explained.

XXIX.
Furthermore, it is not to be wondered at that teeth already weakened are more frequently affected than those that are whole; since Nature, the governess of our body, has made it a rule that whatever is vicious and abounding in the body, she thrusts toward the more ignoble and weaker parts that are less fit to resist.

XXX.
There are also times when something sticks firmly in the gap between the teeth like a wedge, by reason of which they are compressed against each other and, being shaken toward this side or that, they compress more strongly the membrane lying beneath their roots: from which there arises not so much pain, but a certain molestation on account of that impediment.

XXXI.
There can be numbered among the other affections, the causes of which we have briefly reviewed, also STUPOR, (called by the Greeks ἀμβλυωπία dullness/blunting of sensation) which is accustomed to happen frequently on account of eating cold or acidic things, but most especially sour and astringent fruits.

XXXII.
Although we are not ignorant that teeth are also infested by other vices contrary to nature, such as when they turn out longer or shorter than is just, and when they are deformed by an alien color, or are covered with thick filth and foul squalor; because, however, those things are sufficiently obvious in themselves, and Physicians do not require, unless perhaps for the sake of the τῆς νοσητῆς the study of disease, they are in this place deliberately passed over as superfluous.

XXXIII.
And thus, SIGNALS in manifest affections of the teeth, because