Dental Anatomy and Terminology Quiz

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What is the shape of the root's outline described in the text?

Conical

Which part of the root has a tapered pointed apex according to the text?

Tip

What is the texture of the root's outline as mentioned in the text?

Smooth

In what shape does the text describe the root's outline?

<p>Conical</p> Signup and view all the answers

Which term best describes the apex of the root based on the text?

<p>Sharp</p> Signup and view all the answers

In tooth anatomy, where is the circumscribed concavity located?

<p>Above the contact area</p> Signup and view all the answers

What relationship exists between a line bisecting the cusp and a line bisecting the root?

<p>The cusp bisecting line is labial to the root bisecting line</p> Signup and view all the answers

Where is the surface concave in relation to the cervical line?

<p>Between the contact area and the cervical line</p> Signup and view all the answers

How would you describe the mesial surface of the root?

<p>Wide</p> Signup and view all the answers

Which term describes a concavity that surrounds or encloses an area above the contact point on a tooth?

<p>Circumscribed concavity</p> Signup and view all the answers

What type of relationship exists between the labial line and the root bisecting line in tooth anatomy?

<p>The labial line is lingual to the root bisecting line</p> Signup and view all the answers

What characteristic does the mesial surface of the root exhibit?

<p>Deep depression</p> Signup and view all the answers

Which of the following is NOT true about the mesial surface of the root?

<p>It is narrow</p> Signup and view all the answers

What distinguishes the mesial surface of the root from other surfaces?

<p>Broad appearance</p> Signup and view all the answers

Which feature is characteristic of the developmental depression on the mesial surface of the root?

<p>Shallow nature</p> Signup and view all the answers

How much does the cervical line curve towards the cusp on average at the cementoenamel junction?

<p>2.5 mm</p> Signup and view all the answers

What is the shape described for the cervical line from this aspect?

<p>Concave</p> Signup and view all the answers

What is the usual direction of the curvature of the cervical line at the cementoenamel junction?

<p>Toward the cusp</p> Signup and view all the answers

What is the average amount of curvature observed in the cervical line at the cementoenamel junction?

<p>2.5 mm</p> Signup and view all the answers

Which term best describes the curvature of the cervical line from this aspect?

<p><strong>Convex</strong></p> Signup and view all the answers

What is the function of developmental depressions on the heavy roots?

<p>To help anchor the teeth in the alveoli</p> Signup and view all the answers

Why are developmental depressions important for tooth stability?

<p>They prevent rotation and displacement</p> Signup and view all the answers

How do developmental depressions affect tooth anchorage?

<p>By hindering rotation and displacement</p> Signup and view all the answers

What is the consequence of the absence of developmental depressions on heavy roots?

<p>Higher risk of tooth rotation and displacement</p> Signup and view all the answers

How do developmental depressions contribute to oral health?

<p>By aiding in anchoring teeth securely</p> Signup and view all the answers

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