Eruption And Shedding Of Teeth - Anatomy of Orofacial Structures

Active tooth eruption refers to the emergence of a crown into the oral cavity.This eruptive process is usually divided into the pre-eruptive and posteruptive stages.

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

Question 2

(Multiple Choice)

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The successional lamina is seen only facial/buccal to the anterior primary teeth because the permanent anteriors erupt slightly lingual to their primary counterparts,while the permanent posterior teeth lie below the primary and erupt through their established alveolus.

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)

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Each of the following has a role in tooth eruption EXCEPT for one.Which one is the EXCEPTION?

A) Root elongation
B) Periodontal ligament
C) Vascular pressures
D) Alveolar bone
E) All have a role in tooth eruption.

Answer