Dental Anatomy Quiz
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Questions and Answers

Which of the following accurately describes dentine?

  • It is the hardest structure in the tooth.
  • It can be renewed throughout life. (correct)
  • It forms the outermost layer of the tooth.
  • It is sensitive but has no nerve supply. (correct)

What is the primary function of the pulp in a tooth?

  • To provide structural support to the tooth.
  • To produce enamel and dentine.
  • To anchor the tooth to the jaw.
  • To nourish the tooth via blood vessels and nerves. (correct)

What components make up the periodontium?

  • Enamel, dentine, and pulp.
  • Cementum, enamel, and pulp.
  • Alveolar bone, periodontal ligament, and gingiva. (correct)
  • Gingiva, cementum, and cementoblasts.

In the Palmer Notation System, how are the upper left permanent teeth numbered?

<p>8 to 1 from the midline outward. (C)</p> Signup and view all the answers

What is the role of cementum in the tooth structure?

<p>To anchor the tooth to the alveolar bone. (D)</p> Signup and view all the answers

What is the primary function of teeth?

<p>Mastication (B)</p> Signup and view all the answers

Which type of teeth are designed primarily for cutting?

<p>Incisors (C)</p> Signup and view all the answers

How many quadrants are there in the oral cavity?

<p>4 (D)</p> Signup and view all the answers

What is the name of the upper dental arch?

<p>Maxilla (D)</p> Signup and view all the answers

Which part of the oral cavity is primarily responsible for taste?

<p>Tongue (C)</p> Signup and view all the answers

What are the mamelons on incisors?

<p>Three small round projections of enamel (C)</p> Signup and view all the answers

What are the types of anterior teeth in the oral cavity?

<p>Incisors and Canines (C)</p> Signup and view all the answers

What distinguishes a tubercle from a cusp?

<p>A tubercle is made of enamel only (C)</p> Signup and view all the answers

Which of the following structures forms the roof of the mouth?

<p>Soft palate (A)</p> Signup and view all the answers

In which quadrant would you typically find two premolars?

<p>Upper left (A), Lower right (B), Upper right (C)</p> Signup and view all the answers

Where is the cingulum located?

<p>On the cervical third of the lingual surface of anterior teeth (B)</p> Signup and view all the answers

Which of the following describes a cusp?

<p>An elevation of various shapes and sizes on occlusal surfaces (B)</p> Signup and view all the answers

Which structures correspond to the lobes of teeth?

<p>The pulp chamber has pulp horns corresponding to lobes (C)</p> Signup and view all the answers

Which of these characteristics defines a ridge on the dental crown?

<p>It is a linear elevation on different crown surfaces (A)</p> Signup and view all the answers

Which half accurately describes the anatomical division of a tooth?

<p>Mesial half and buccal half (A)</p> Signup and view all the answers

What is a characteristic of the anatomical landmarks of teeth?

<p>They include lobes which are centers of calcification (A)</p> Signup and view all the answers

What number represents the upper right second premolar in the universal numbering system?

<p>15 (C)</p> Signup and view all the answers

Which of the following numbers corresponds to the lower left canine?

<p>33 (B)</p> Signup and view all the answers

Which number identifies the upper right second deciduous molar?

<p>55 (C)</p> Signup and view all the answers

In the universal numbering system, which digit indicates the quadrant?

<p>First digit (B)</p> Signup and view all the answers

What is the correct number for the lower left lateral deciduous incisor?

<p>72 (B)</p> Signup and view all the answers

In the universal numbering system, what does the sign # signify?

<p>Use of the universal system (C)</p> Signup and view all the answers

What number corresponds to the upper left first molar in the permanent teeth classification?

<p>14 (A)</p> Signup and view all the answers

Which of the following tooth numbers represents a lower right permanent second premolar?

<p>36 (A)</p> Signup and view all the answers

Which surface of a posterior tooth is oriented towards the cheek?

<p>Buccal (A)</p> Signup and view all the answers

What is the main feature distinguishing anterior teeth from posterior teeth?

<p>Featuring an incisal edge (C)</p> Signup and view all the answers

Which tooth number corresponds to the lower right first premolar?

<p>#28 (D)</p> Signup and view all the answers

Which term describes the orientation of a surface towards the tongue?

<p>Palatal (B)</p> Signup and view all the answers

What feature is practically nonexistent in the line angles of anterior teeth?

<p>Mesio-incisal line angle (D)</p> Signup and view all the answers

In the Universal system for permanent teeth, which number is designated for the upper left third molar?

<p>#16 (D)</p> Signup and view all the answers

Which of the following accurately describes the direction of the distal surface?

<p>Away from the midline (C)</p> Signup and view all the answers

What is the primary designation for a lower left deciduous lateral incisor?

<p>d# 14 (A)</p> Signup and view all the answers

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