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Dental Anatomy: Crown Elevations and Tubercles Quiz

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Dental Anatomy: Crown Elevations and Tubercles Quiz

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Questions and Answers

What is the function of cusps in teeth?

Creates disturbance due to trauma during cap stage
Forms the bulk of occlusal surfaces of posterior teeth (correct)
Forms the incisal portion of canine
Found on the lingual surface of anterior teeth

Where are tubercles/extra cusps found on the crown of teeth?

On the occlusal surface of anterior teeth
On the lingual surface of anterior teeth (correct)
On the occlusal surface of posterior teeth
On the buccal surface of posterior teeth

What is the location of the cingulum on the tooth?

On the buccal surface of posterior teeth
On the lingual surface of anterior teeth (correct)
On the mesial surface of anterior teeth
On the distal surface of anterior teeth

Where are marginal ridges found?

<p>On the mesial and distal surfaces of occlusal surfaces of posterior teeth (B)</p> Signup and view all the answers

What is the triangular ridge in posterior teeth?

<p>A linear elevation descending from cusp tip to central area of occlusal surface (B)</p> Signup and view all the answers

Flashcards

Cusps

The raised portion of the tooth that forms the chewing surface of the back teeth.

Tubercles

Small bumps on the inner surface of front teeth.

Cingulum

A raised area on the inner surface of front teeth.

Marginal Ridges

Raised lines on the sides of the chewing surface of back teeth.

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Triangular Ridge

A ridge extending from the tip of a cusp to the center of the chewing surface of a back tooth.

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Study Notes

Tooth Anatomy

Cusps are elevated points on the crown of a tooth that help in food grinding and crushing.

Crown Features

Tubercles or extra cusps are small additional cusps found on the crown of teeth.
The cingulum is a small ridge or elevation on the crown of a tooth, usually found on the anterior teeth.
Marginal ridges are located on the edges of the tooth, forming the boundary of the occlusal surface.

Posterior Teeth Features

The triangular ridge is a ridge on posterior teeth that connects the cusps, forming the shape of a triangle.

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Description

Test your knowledge of the anatomical structure of teeth, including crown elevations, cusps, and tubercles. Identify the characteristics and locations of these distinct features on different types of teeth.