A lot vs. Alot: 9 Grammatical Pitfalls
1590s, from Middle French dental "of teeth" or Medieval Latin dentalis, from Latin dens (genitive dentis) "tooth," from PIE root *dent- (see tooth).
dental den·tal (děn'tl)adj.
Of, relating to, or for the teeth.
Of, relating to, or intended for dentistry.