Directions
Which of the following is considered a masticatory surface on a posterior tooth?
a. Incisal surface
b. Lingual surface
c. Palatal surface
d. Occlusal surface
Occlusal surface
The completion of the root for the permanent maxillary central incisor occurs at age _____ years.
A.6
B.10
C.12
D.7 to 8
10
Which term is used to describe the method by which the teeth of the mandibular arch come into contact with those of the maxillary arch?
A.Occlusion
B.Embrasures
C.Palmer Notation Method
D.Ridges or cusps
Occlusion
The function of premolars is
A.assist canines.
B.biting and cutting.
C. assist central incisors
D. grinding and cutting.
assist canines
Which of the following characteristics is noted in a patient during the primary dentition period as compared with the permanent dentition period?
A.Lighter enamel color
B.Larger overall crowns
C.Longer roots
D. Greater number of teeth
Lighter enamel color
The division of each dental arch into three parts is based on the relationship to the
A.most posterior tooth.
B.lips.
C.tongue.
D.midline.
midline.
Which of the following teeth is the first permanent tooth to erupt into the oral cavity, usually signaling the end of the primary dentition period?
A.Maxillary central incisor
B.Maxillary first molar
C.Mandibular first molar
D.Mandibular lateral incisor
Mandibular first molar
Maxillary central incisor have the widest crown labiolingually.
FALSE
Which of the following are characteristics of Hutchinson incisor?
A.Shovel shape
B.Screwdriver shape
C.Peg lateral
D.Talon cusp
Screwdriver shape
When comparing the arches of the two dentitions, one arch of the primary dentition usually contains
A. six fewer total teeth.
B. four more molars.
C. four more total teeth.
D. two more incisors.
six fewer total teeth
The cementoenamel junction tooth is located at the border of the ____ third of the root
A. Middle
B. Horizontal
C. Apical
D. Cervical
Cervical
A tooth that is unerupted or partially erupted and is positioned against another tooth, bone, or soft tissue, making complete eruption unlikely, is called:
A. bifurcated.
B. marginal.
C. impacted.
D. dilacerations.
impacted.
The area where the crowns of adjacent teeth in the same arch physically touch each adjacent proximal surface is the:
A.Contact area.
B.line angles.
C.point angles.
D. height of contours.
contact area.
Which of the following is a correct statement concerning permanent maxillary canines?
A.Single cusp tip not as sharp as mandibular one
B.May fail to erupt fully and remain impacted
C.Mesial and distal aspects present oval outline
D.Resemble maxillary incisors but are weaker looking
May fail to erupt fully and remain impacted
The permanent mandibular canine, when compared to the maxillary canine, has a
A.more developed lingual surface.
B.more developed cingulum.
C.wider labiolingual dimension.
D.narrower mesiodistal dimension.
narrower mesiodistal dimension
Which of the following surfaces of a tooth are not difficult to access during dental procedures as well as homecare?
A.Facial
B.Proximal surfaces
C.Line angles
D. Interproximal space
Facial
Which of the following range of eruption dates of the listed teeth is correct?
a. #11: 10 to 11 years
b. #8: 7 to 8 years
c. #27: 11 to 12 years
d. #23: 6 to 7 years
#8: 7 to 8 years
The slowest and least noticeable dentition period is called:
A. infant.
B. primary.
C. permanent.
D. mixed.
permanent.
Which of the following teeth have the greatest depth of curvature of the cementoenamel junction on the mesial surface?
A.#14
B.#6
C.#8
D.#26
#8
The permanent mandibular canine, when compared to the maxillary canine, has a
a. more developed lingual surface.
b. more developed cingulum.
c. wider labiolingual dimension.
d. narrower mesiodistal dimension.
d. narrower mesiodistal dimension.
When two teeth in the same arch come into contact, the curvatures next to the contact areas form spaces considered
A.embrasures.
B.line angles.
C.point angles.
D. height of contours.
embrasures
Which of the following root completion dates of the listed teeth is correct?
a. #11: 10 to 11 years
b. #8: 8 to 9 years
c. #27: 12 to 14 years
d. #23: 6 to 7 years
#27: 12 to 14 years
The ______ of a tooth can change over time, especially with gingival recession as the marginal gingiva recedes toward the root.
A. clinical root.
B. cementoenamel junction.
C. clinical crown
D. root axis line.
clinical crown
In a child, a complete displacement of the tooth from the socket or alveolus is called a(n):
A.diastema.
B. apex.
C. avulsion.
D. labial frenum.
avulsion.
True or False
Maxillary permanent canine distal contact is at the middle third and the distal contact of the Mandibular canine is at the junction of incisal and middle thirds.
True