Tooth Morphology Quiz Questions And Answers

25 Questions | By Maurita | Updated: Mar 22, 2022 | Attempts: 19857

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Here are some Tooth morphology quiz questions and answers for you. The tooth is an integral part of our body. From the outside, it may seem simple, but there is so much hidden beneath it. Are you well aware of the form and structure of teeth? Do you think you will pass this test? Well, this Tooth morphology test will tell us that. Try to get a score higher than 70%. .

Questions and Answers

1.

Premolars and molars are used for _____ food.
- A.
  
  Tearing
- B.
  
  Cutting
- C.
  
  Grinding
- D.
  
  All of the above
2.

Permanent maxillary molars have _____ roots.
- A.
  
  Three
- B.
  
  Four
- C.
  
  Two
- D.
  
  One
3.

In the Universal Numbering System, the permanent maxillary premolars are:
- A.
  
  #4, #5, #12, and #13.
- B.
  
  #14, #15, #24, and #25.
- C.
  
  #20, #21, #28, and #29.
- D.
  
  #34, #35, #44, and #45.
4.

There are ___ teeth in a quadrant of the primary dentition.
- A.
  
  5
- B.
  
  10
- C.
  
  20
- D.
  
  8
5.

How many canines are in a quadrant of the permanent dentition?
- A.
  
  1
- B.
  
  2
- C.
  
  4
- D.
  
  8
6.

There are _____ molars in the permanent dentition.
- A.
  
  8
- B.
  
  14
- C.
  
  16
- D.
  
  12
7.

Canines are also referred to as:
- A.
  
  Wisdom teeth.
- B.
  
  Eyeteeth.
- C.
  
  Cuspids.
- D.
  
  Both b and c.
8.

Characteristics of the primary dentition include:
- A.
  
  Darker enamel.
- B.
  
  Relatively thicker enamel.
- C.
  
  Relatively large pulp chambers.
- D.
  
  A tooth crown that is longer in relation to the total tooth length.
9.

The first premolar is posterior to the _____ while the second premolar is anterior to the _____.
- A.
  
  Lateral incisor, second molar
- B.
  
  Canine, first molar
- C.
  
  Second premolar, first molar
- D.
  
  Canine, first premolar
10.

The _____ often appear as a developmental anomaly, differing in size, shape, contour, and relative position.
- A.
  
  Maxillary central incisors
- B.
  
  Mandibular incisors
- C.
  
  Maxillary and mandibular third molars
- D.
  
  Mandibular first and second molars
11.

A mandibular canine tooth:
- A.
  
  Usually erupts before the maxillary canine.
- B.
  
  Has a larger and more developed cusp than the maxillary canine.
- C.
  
  Has a sharper cusp tip than a maxillary canine.
- D.
  
  Has a sharper cusp tip than a maxillary canine.
12.

The difference(s) between the maxillary and mandibular central incisors is(are):
- A.
  
  Maxillary central incisors are larger than the mandibular central incisors in all dimensions.
- B.
  
  Labial surfaces of the maxillary central incisors are more rounded from the incisal aspect than those of the mandibular central incisors.
- C.
  
  Cingulum in less prominent on the maxillary central incisors than the cingulum on the mandibular central incisors.
- D.
  
  Both a and b.
13.

The developmental groove that extends mesiodistally and divides the occlusal table in half is the _____ groove.
- A.
  
  Marginal
- B.
  
  Triangular
- C.
  
  Central
- D.
  
  None of the above
14.

The cusp of Carabelli is found on the
- A.
  
  Premolars.
- B.
  
  Central incisors.
- C.
  
  Maxillary first molars.
- D.
  
  Maxillary second molars.
15.

The _____ are sometimes referred to as “wisdom” teeth.
- A.
  
  First molars
- B.
  
  Premolars
- C.
  
  Third molars
- D.
  
  Canines
16.

The mandibular lateral incisors are:
- A.
  
  Larger than the maxillary lateral incisors.
- B.
  
  Larger than the mandibular central incisors.
- C.
  
  Larger than the mandibular canines.
- D.
  
  Smaller than the mandibular central incisors.
17.

The incisal surface of an anterior tooth is also known as the:
- A.
  
  Facial surface.
- B.
  
  Labial surface.
- C.
  
  Incisal edge.
- D.
  
  Incisal ridge.
18.

The largest and strongest teeth in the maxillary dentition are the maxillary:
- A.
  
  First molars.
- B.
  
  Second molars.
- C.
  
  Canines
- D.
  
  Central incisors.
19.

In the Universal Numbering System, the four first permanent molars are:
- A.
  
  #16, #26, #36, and #46.
- B.
  
  #3, #14, #19, and #30.
- C.
  
  #2, #15, #18, and #31.
- D.
  
  #18, #28, #38, and #48.
20.

A common anomaly of the maxillary lateral incisors that is characterized by the tooth being abnormally pointed or tapered in shape is called:
- A.
  
  Barrel laterals.
- B.
  
  Fused laterals.
- C.
  
  Pegged laterals.
- D.
  
  Cens in dente.
21.

The maxillary second premolar differs from the maxillary first premolar in that the:
- A.
  
  Distobuccal cusp slope is shorter than the mesiobuccal cusp slope on the second premolar.
- B.
  
  Cusps of the maxillary first premolar are not as sharp as the maxillary second premolar.
- C.
  
  Second premolar has only one root, and therefore only one root canal.
- D.
  
  Second premolar is wider mesiodistally than buccolingually.
22.

The primary dentition has _____ molars and _____ premolars.
- A.
  
  12; 8
- B.
  
  8; 0
- C.
  
  8; 4
- D.
  
  4; 4
23.

The _____ premolar has two bifurcated roots.
- A.
  
  Mandibular first
- B.
  
  Maxillary first
- C.
  
  Maxillary second
- D.
  
  Mandibular second
24.

There are how many premolars in the permanent dentition?
- A.
  
  2
- B.
  
  4
- C.
  
  6
- D.
  
  8
25.

The root of the mandibular second premolar is ______ than that of a mandibular first premolar, but ______ than the roots of the maxillary premolars.
- A.
  
  Smaller; longer
- B.
  
  Longer; shorter
- C.
  
  Smaller; shorter
- D.
  
  Shorter; longer