Tooth Morphology Practice Test! Trivia Quiz
(30).jpg "Tooth Morphology Practice Test! Trivia Quiz")
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- 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 maxillary permanent 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 bony ridge over the labial portion of the roots of the canines that helps to form the facial contours is the:
- A.
Cusp.
- B.
Canus.
- C.
Imbrication line.
- D.
Canine eminence.
- 11.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
- 12.Most maxillary first premolars are considered to be ______ because they have a root that is divided into two roots.
- A.
Bifurcated
- B.
Succedaneous
- C.
Trifurcated
- D.
Bicanineate
- 13.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.
- 14.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.
- 15.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
- 16.The cusp of Carabelli is found on the:
- A.
Premolars.
- B.
Central incisors.
- C.
Maxillary first molars.
- D.
Maxillary second molars.
- 17.The _____ are sometimes referred to as “wisdom” teeth.
- A.
First molars
- B.
Premolars
- C.
Third molars
- D.
Canines
- 18.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.
- 19.The incisal surface of an anterior tooth is also known as the:
- A.
Facial surface.
- B.
Labial surface.
- C.
Incisal edge.
- D.
Incisal ridge.
- 20.The largest and strongest teeth in the maxillary dentition are the maxillary:
- A.
First molars.
- B.
Second molars.
- C.
Canines
- D.
Central incisors.
- 21.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.
- 22.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.
Dens in dente.
- 23.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.
- 24.The primary dentition has _____ molars and _____ premolars.
- A.
12; 8
- B.
8; 0
- C.
8; 4
- D.
4; 4
- 25.The _____ premolar has two bifurcated roots.
- A.
Mandibular first
- B.
Maxillary first
- C.
Maxillary second
- D.
Mandibular second
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