Question 1

The ________ is located where the cusp ridges converge at a central point,where the grooves meet on a posterior tooth.

Accepted Answer

A) pit 
B) central fossa 
C) fissure 
D) developmental groove 
A) pit 
B) central fossa 
C) fissure 
D) developmental groove B

Question 2

Premolars and molars are used for _____ food.

Accepted Answer

A) tearing 
B) cutting 
C) chewing 
D) shearing 
A) tearing 
B) cutting 
C) chewing 
D) shearing C

Question 3

What is the canine eminence?

Accepted Answer

A) A cusp 
B) A canus 
C) An imbrication line 
D) A bony ridge 
A) A cusp 
B) A canus 
C) An imbrication line 
D) A bony ridge D

Question 4

Which of the following terms is used to describe the rounded enamel extensions on the incisal edge of newly erupted central and lateral incisors?

Accepted Answer

A) Cusps 
B) Mamelons 
C) Diastemas 
D) Fossas 
A) Cusps 
B) Mamelons 
C) Diastemas 
D) Fossas

Question 5

Which of the following is true of primary teeth in contrast to permanent teeth?

Accepted Answer

A) Crowns that are narrower at the cementoenamel junction (CEJ) than permanent teeth. 
B) Darker enamel than permanent teeth. 
C) Relatively thicker enamel than permanent teeth. 
D) A tooth crown that is longer in relation to the total tooth length than is found in permanent teeth. 
A) Crowns that are narrower at the cementoenamel junction (CEJ) than permanent teeth. 
B) Darker enamel than permanent teeth. 
C) Relatively thicker enamel than permanent teeth. 
D) A tooth crown that is longer in relation to the total tooth length than is found in permanent teeth.

Question 6

The root of the maxillary lateral incisor is:

Accepted Answer

A) the same width as the root of the maxillary central incisor. 
B) longer than the root of a central incisor. 
C) a bifurcated root. 
D) the same size as the root of the mandibular lateral incisor. 
A) the same width as the root of the maxillary central incisor. 
B) longer than the root of a central incisor. 
C) a bifurcated root. 
D) the same size as the root of the mandibular lateral incisor.

Question 7

How many molars are in each quadrant of the permanent dentition?

Accepted Answer

A) 3 
B) 4 
C) 12 
D) 16 
A) 3 
B) 4 
C) 12 
D) 16

Question 8

Which of the following premolar teeth has buccal and a lingual roots?

Accepted Answer

A) Mandibular first premolar 
B) Maxillary first premolar 
C) Maxillary second premolar 
D) Mandibular second premolar 
A) Mandibular first premolar 
B) Maxillary first premolar 
C) Maxillary second premolar 
D) Mandibular second premolar

Question 9

In the Universal Numbering System,the four second permanent molars are:

Accepted Answer

A) #16, #26, #36, and #46. 
B) #2, #15, #18, and #31. 
C) #3, #14, #19, and #30. 
D) #18, #28, #38, and #48. 
A) #16, #26, #36, and #46. 
B) #2, #15, #18, and #31. 
C) #3, #14, #19, and #30. 
D) #18, #28, #38, and #48.

Question 10

Canines are also referred to as:

Accepted Answer

A) wisdom teeth. 
B) eyeteeth. 
C) cuspids. 
D) bicuspids. 
A) wisdom teeth. 
B) eyeteeth. 
C) cuspids. 
D) bicuspids.

Question 11

A common anomaly of the maxillary lateral incisors that is characterized by unusually large open contacts is called:

Accepted Answer

A) pegged laterals. 
B) diastemas. 
C) fused laterals. 
D) dens in dente. 
A) pegged laterals. 
B) diastemas. 
C) fused laterals. 
D) dens in dente.

Question 12

The incisal plane of an anterior tooth is also known as the:

Accepted Answer

A) facial surface. 
B) labial surface. 
C) incisal edge. 
D) incisal ridge. 
A) facial surface. 
B) labial surface. 
C) incisal edge. 
D) incisal ridge.

Question 13

How many canines are in an arch of the permanent dentition?

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 8 
A) 1 
B) 2 
C) 4 
D) 8

Question 14

Which of the following adult teeth is nonsuccedaneous?

Accepted Answer

A) Maxillary left second premolar 
B) Maxillary right canine 
C) Mandibular right first molar 
D) Mandibular right lateral incisor 
A) Maxillary left second premolar 
B) Maxillary right canine 
C) Mandibular right first molar 
D) Mandibular right lateral incisor

Question 15

Which of the following permanent maxillary teeth normally have three roots?

Accepted Answer

A) Incisors 
B) Canines 
C) Premolars 
D) First molars 
A) Incisors 
B) Canines 
C) Premolars 
D) First molars

Question 16

The lingual surfaces of anterior teeth have rounded,raised borders on the mesial and distal surfaces that are called:

Accepted Answer

A) the cingulum. 
B) fossae. 
C) marginal ridges. 
D) mamelons. 
A) the cingulum. 
B) fossae. 
C) marginal ridges. 
D) mamelons.

Question 17

How many premolars are in one quadrant of the permanent dentition?

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 8 
A) 2 
B) 4 
C) 6 
D) 8

Question 18

How many premolars are there in the primary dentition?

Accepted Answer

A) 0 
B) 4 
C) 6 
D) 8 
A) 0 
B) 4 
C) 6 
D) 8

Question 19

Which of the following teeth is most likely to be out of position in the dental arch?

Accepted Answer

A) Maxillary central incisors 
B) Mandibular incisors 
C) Mandibular first molars 
D) Maxillary third molars 
A) Maxillary central incisors 
B) Mandibular incisors 
C) Mandibular first molars 
D) Maxillary third molars

Question 20

The maxillary second premolar differs from the maxillary first premolar in that the:

Accepted Answer

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) lingual cusp is larger and almost the same height as the buccal cusp on the maxillary second premolar. 
D) second premolar is wider mesiodistally than buccolingually. 
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) lingual cusp is larger and almost the same height as the buccal cusp on the maxillary second premolar. 
D) second premolar is wider mesiodistally than buccolingually.

Exam 12: Tooth Morphology

The ________ is located where the cusp ridges converge at a central point,where the grooves meet on a posterior tooth.

Premolars and molars are used for _____ food.

What is the canine eminence?

Which of the following terms is used to describe the rounded enamel extensions on the incisal edge of newly erupted central and lateral incisors?

Which of the following is true of primary teeth in contrast to permanent teeth?

The root of the maxillary lateral incisor is:

How many molars are in each quadrant of the permanent dentition?

Which of the following premolar teeth has buccal and a lingual roots?

In the Universal Numbering System,the four second permanent molars are:

Canines are also referred to as:

A common anomaly of the maxillary lateral incisors that is characterized by unusually large open contacts is called:

The incisal plane of an anterior tooth is also known as the:

How many canines are in an arch of the permanent dentition?

Which of the following adult teeth is nonsuccedaneous?

Which of the following permanent maxillary teeth normally have three roots?

The lingual surfaces of anterior teeth have rounded,raised borders on the mesial and distal surfaces that are called:

How many premolars are in one quadrant of the permanent dentition?

How many premolars are there in the primary dentition?

Which of the following teeth is most likely to be out of position in the dental arch?

The maxillary second premolar differs from the maxillary first premolar in that the:

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