adj. 1 of the teeth; of or relating to dentistry. 2 Phonet. (of a consonant) produced with the tongue-tip against the upper front teeth (as th) or the ridge of the teeth (as n, s, t). dental floss a thread of floss silk etc. used to clean between the teeth. dental mechanic a person who makes and repairs artificial teeth. dental surgeon a dentist. dentalize v.tr. (also -ise).
[ LL dentalis f. L dens dentis tooth ]