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| hard, calcareous tissue that forms the major portion of a tooth |
| having or terminating in two cusps or points, as certain teeth |
incisor in·ci·sor (ĭn-sī'zər)
n.
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.
| incisor (ĭn-sī'zər) Pronunciation Key
A sharp-edged tooth in mammals that is adapted for cutting or gnawing. The incisors are located in the front of the mouth between the canine teeth. |