Topics in Tooth Morphology

Lower 1 (Central Incisor)

From the DentTest dentistry textbook. Last updated 6 August 2026.

Key features:

Aspect

Area

Features

Buccal

Crown

  • Crown length longer than mesiodistal width

  • Mesial edge similar angle to distal edge

Root

  • Single root curved distally

Lingual

Crown

  • Small cingulum

  • Small marginal ridges

Mesial/distal

Root

  • Mesial side of root = round

  • Distal side of root = groove