Cusp (dentistry)

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The teeth of the right side of the mouth, shown contacting the teeth in the opposing jaw with their cusp tips.
The teeth of the right side of the mouth, shown contacting the teeth in the opposing jaw with their cusp tips.

A cusp is an occlusal or incisal eminence on a tooth.

Canine teeth, otherwise known as cuspids, each possess a single cusp, while premolars, otherwise known as bicuspids, possess two each. Molars normally possess either four or five cusps. In certain populations the maxillary molars, especially first molars, will possess a fifth cusp situated on the mesiolingual cusp known as the Cusp of Carabelli.

[edit] References

  • Ash, Major M.; Nelson, Stanley. WHEELER'S DENTAL ANATOMY, PHYSIOLOGY AND OCCLUSION, 8th edition.
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