Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
TOOTH
As described in historical dictionaries
Patronymica Britannica (1860)
TOOTH. This name probably has reference to some peculiarity in the teeth of tlie oi'iginal bearer. The Romans had their Dento and Dentatus, most likely on the same account.