Study Biology

Course

Anatomy & Physiology

Study Pack

Set 12 Incisors

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Question 1

(Multiple Choice)

Free
Each of the following is true of the permanent central incisor EXCEPT one.Which one is the EXCEPTION?

A) Evidence of calcification occurs at three months.
B) This is the widest mesiodistally of any of the anterior teeth.
C) Root formation is completed by six years of age.
D) Gemination is an anomaly that sometimes occurs.
E) Development is usually normal.

Answer

Question 2

(Multiple Choice)

Free
Teeth most likely to be peg-shaped are the mandibular lateral incisors because the distal developmental lobe is large and located more lingually than its mesial lobe.

A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.

Answer

Question 3

(Multiple Choice)

Free
The maxillary lateral incisor usually has a straight,thick,cylindrically shaped root.The root length of the maxillary lateral incisor is about 1.5 times the length of the crown.

A) Both statements are true.
B) The first statement is true;the second statement is false.
C) The first statement is false;the second statement is true.
D) Both statements are false.

Answer