One source told Orth that Cruise brought in his hairstylist for Boniadi and wanted her incisor teeth filed down.
He had only one tooth, and he ate by using his thumb as a second incisor.
"cutting tooth," 1670s, from Medieval Latin incisor "a cutting tooth," literally "that which cuts into," from Latin incisus, past participle of incidere (see incision). Inscisours as the name of a cutting tool is attested from early 15c.
incisor in·ci·sor (ĭn-sī'zər)
Any of the four teeth adapted for cutting or gnawing, having a chisel-shaped crown and a single conical root and located in the front part of both jaws in both deciduous and permanent dentitions.