Topics in Tooth Morphology

Upper 5 (Second Premolar)

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

Key features:

Aspect

Area

Features

Buccal

Crown

  • Mesial slope shorter than distal slope

  • Rounded

Cusps

  • Two cusps: 1 buccal, 1 palatal

  • Buccal cusp larger than palatal cusp

Root

  • Single root curved distally

Mesial/distal

Crown

  • No canine fossa

Occlusal

Cusps

  • Palatal cusp tip mesial compared to buccal

Fissure

  • Fissure not over marginal ridge