Dental Anatomy Quiz

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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?

8 to 1 from the midline outward. Signup and view all the answers

What is the role of cementum in the tooth structure?

To anchor the tooth to the alveolar bone. Signup and view all the answers

What is the primary function of teeth?

Mastication Signup and view all the answers

Which type of teeth are designed primarily for cutting?

Incisors Signup and view all the answers

How many quadrants are there in the oral cavity?

4 Signup and view all the answers

What is the name of the upper dental arch?

Maxilla Signup and view all the answers

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

Tongue Signup and view all the answers

What are the mamelons on incisors?

Three small round projections of enamel Signup and view all the answers

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

Incisors and Canines Signup and view all the answers

What distinguishes a tubercle from a cusp?

A tubercle is made of enamel only Signup and view all the answers

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

Soft palate Signup and view all the answers

In which quadrant would you typically find two premolars?

Upper left Signup and view all the answers

Where is the cingulum located?

On the cervical third of the lingual surface of anterior teeth Signup and view all the answers

Which of the following describes a cusp?

An elevation of various shapes and sizes on occlusal surfaces Signup and view all the answers

Which structures correspond to the lobes of teeth?

The pulp chamber has pulp horns corresponding to lobes Signup and view all the answers

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

It is a linear elevation on different crown surfaces Signup and view all the answers

Which half accurately describes the anatomical division of a tooth?

Mesial half and buccal half Signup and view all the answers

What is a characteristic of the anatomical landmarks of teeth?

They include lobes which are centers of calcification Signup and view all the answers

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

15 Signup and view all the answers

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

33 Signup and view all the answers

Which number identifies the upper right second deciduous molar?

55 Signup and view all the answers

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

First digit Signup and view all the answers

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

72 Signup and view all the answers

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

Use of the universal system Signup and view all the answers

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

14 Signup and view all the answers

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

36 Signup and view all the answers

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

Buccal Signup and view all the answers

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

Featuring an incisal edge Signup and view all the answers

Which tooth number corresponds to the lower right first premolar?

#28 Signup and view all the answers

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

Palatal Signup and view all the answers

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

Mesio-incisal line angle Signup and view all the answers

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

#16 Signup and view all the answers

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

Away from the midline Signup and view all the answers

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

d# 14 Signup and view all the answers