Lower left central incisor

Dens incisivus

SkeletalSkeletonHeadLeft side

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What it is
Chisel-shaped tooth with a thin cutting edge and a single conical root. The crown is covered with enamel, the hardest substance in the body.
Function
Bites and cuts food.
Size
Crown ≈ 5.3 × 6.0 mm, 9.0 mm tall; root ≈ 13 mm
Clinical note
Central incisors erupt at about 7 years (lower first) and are the teeth most often chipped in falls.

Nearby skeletal structures Lower left canine, Lower left first premolar, Lower left lateral incisor, Lower right canine, Lower right central incisor, Lower right first premolar, Lower right lateral incisor, Upper left central incisor, Upper left lateral incisor, Upper right central incisor