DHYG Exam Review ll Questions and
Verified Answers
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
,What anatomy is the arrow is point to IMAGE 14
A) mamelons
B) marginal ridge
C) cingulum
D) lingual fossa
Cingulum
Match the following
Asymmetrical ___
Even marginal ridge___
1. mandibular lateral incisor
2. mandibular central incisor
Asymmetrical __1_
Even marginal ridge_2__
The mandibular incisors have two root concavities (one on distal and one on the
mesial) TRUE or FALSE
TRUE
Match the following
Erupts first ___
Larger ___
1. mandibular lateral incisor
2. mandibular central incisor
Erupts first __2_
Larger __1_
, What are the arrows point at? IMAGE 15
A) apex
B) CEJ
C) long axis of the tooth
D) marginal ridge
B) CEJ
What is shown in this image? IMAGE 16
A) abrasion
B) attrition
C) calculus
D) erosion
B) attrition
All four mandibular incisors should be erupted by age 9.
TRUE or FALSE
True
Match the following
Small, centered cingulum ____
Crown appears tilted/twisted distally____
1. mandibular lateral incisor
2. mandibular central incisor
Small, centered cingulum __2__
Crown appears tilted/twisted distally__1__
Mandibular incisors have smoother lingual anatomy than the maxillary incisors.
TRUE or FALSE
True
Verified Answers
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
,What anatomy is the arrow is point to IMAGE 14
A) mamelons
B) marginal ridge
C) cingulum
D) lingual fossa
Cingulum
Match the following
Asymmetrical ___
Even marginal ridge___
1. mandibular lateral incisor
2. mandibular central incisor
Asymmetrical __1_
Even marginal ridge_2__
The mandibular incisors have two root concavities (one on distal and one on the
mesial) TRUE or FALSE
TRUE
Match the following
Erupts first ___
Larger ___
1. mandibular lateral incisor
2. mandibular central incisor
Erupts first __2_
Larger __1_
, What are the arrows point at? IMAGE 15
A) apex
B) CEJ
C) long axis of the tooth
D) marginal ridge
B) CEJ
What is shown in this image? IMAGE 16
A) abrasion
B) attrition
C) calculus
D) erosion
B) attrition
All four mandibular incisors should be erupted by age 9.
TRUE or FALSE
True
Match the following
Small, centered cingulum ____
Crown appears tilted/twisted distally____
1. mandibular lateral incisor
2. mandibular central incisor
Small, centered cingulum __2__
Crown appears tilted/twisted distally__1__
Mandibular incisors have smoother lingual anatomy than the maxillary incisors.
TRUE or FALSE
True
