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Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Cusp

Introduction

Overview

Overview

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. Maxillary molars, especially first molars, will generally possess a fifth cusp situated on the mesiolingual cusp known as the Cusp of Carabelli.

References

References

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