DHYG Exam Review ll Questions and Verified
Answers
The height of contour for both labial and lingual surfaces of all incisors is at the incisal thirds.
TRUE or FALSE
False
The number of mamelons seen on a newly erupted permanent maxillary central incisor.
A) one
B) two
C) three
D) four
C) three
This is the incisal view of the maxillary lateral incisor IMAGE 10
TRUE of FALSE
False
The maxillary central incisors is the widest incisor when measured
A) mesiodistally
B) cervicoincisally
C) faciolingually
D) supragingivally
A) mesiodistally
What anatomy is the arrow pointing to? IMAGE 11
A) mamelons
B) marginal ridge
C) cingulum
D) lingual fossa
,B) marginal ridge
Which of the following are true for the maxillary central incisor?
A) larger than the lateral
B) most curved CEJ of any tooth
C) wider mesiodistally than the lateral
D) erupts prior to the lateral
E) all of the above are true of the maxillary central incisor
E) all of the above are true of the maxillary central incisor
Which term best describes this picture? IMAGE 12
A) avulsion
B) distema
C) mesiodens
D) anodontia
A) avulsion
Which of the following teeth have the greatest depth of curvature of the cementoenamel
junction on the mesial surface?
A) 6
B) 8
C) 10
D) 25
B) 8
Maxillary central incisors are often congenitally missing.
TRUE or FALSE
False
, Maxillary lateral incisor erupts into the oral cavity at 7-8 years with root function complete at
age 10.
TRUE or FALSE
False
Which of the following terms describes an area of the crown where 2 surfaces join?
A) proximal surface
B) line angle
C) height of contour
D) point angle
B) ling angle
Perikymata are the grooves in between the imbrication lines.
TRUE or FALSE
True
The function of the permanent incisors is
A) biting and tearing
B) grinding and cutting
C) biting and cutting
D) tearing and grinding
C) biting and cutting
What anatomy is the arrow is point to IMAGE 13
A) mamelons
B) marginal ridge
C) cingulum
D) lingual fossa
D) lingual fossa
Answers
The height of contour for both labial and lingual surfaces of all incisors is at the incisal thirds.
TRUE or FALSE
False
The number of mamelons seen on a newly erupted permanent maxillary central incisor.
A) one
B) two
C) three
D) four
C) three
This is the incisal view of the maxillary lateral incisor IMAGE 10
TRUE of FALSE
False
The maxillary central incisors is the widest incisor when measured
A) mesiodistally
B) cervicoincisally
C) faciolingually
D) supragingivally
A) mesiodistally
What anatomy is the arrow pointing to? IMAGE 11
A) mamelons
B) marginal ridge
C) cingulum
D) lingual fossa
,B) marginal ridge
Which of the following are true for the maxillary central incisor?
A) larger than the lateral
B) most curved CEJ of any tooth
C) wider mesiodistally than the lateral
D) erupts prior to the lateral
E) all of the above are true of the maxillary central incisor
E) all of the above are true of the maxillary central incisor
Which term best describes this picture? IMAGE 12
A) avulsion
B) distema
C) mesiodens
D) anodontia
A) avulsion
Which of the following teeth have the greatest depth of curvature of the cementoenamel
junction on the mesial surface?
A) 6
B) 8
C) 10
D) 25
B) 8
Maxillary central incisors are often congenitally missing.
TRUE or FALSE
False
, Maxillary lateral incisor erupts into the oral cavity at 7-8 years with root function complete at
age 10.
TRUE or FALSE
False
Which of the following terms describes an area of the crown where 2 surfaces join?
A) proximal surface
B) line angle
C) height of contour
D) point angle
B) ling angle
Perikymata are the grooves in between the imbrication lines.
TRUE or FALSE
True
The function of the permanent incisors is
A) biting and tearing
B) grinding and cutting
C) biting and cutting
D) tearing and grinding
C) biting and cutting
What anatomy is the arrow is point to IMAGE 13
A) mamelons
B) marginal ridge
C) cingulum
D) lingual fossa
D) lingual fossa