The Collaborative International Dictionary of English v.0.48:
Odontalgia \O`don*tal"gi*a\, n. [NL., fr. Gr. ?; 'odoy`s, 'odo`ntos, a tooth + 'a`lgos pain.] (Med.) Toothache. [1913 Webster]WordNet (r) 3.0 (2006):
odontalgia n 1: an ache localized in or around a tooth [syn: toothache, odontalgia]