DNH 111 Final EXAM Questions and Correct Answers the Latest Update

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DNH 111 Final EXAM Questions and
Correct Answers the Latest Update 2025-
2026
True/False




Exfoliation is the process by which the roots of a deciduous tooth are pushed

together by the calcification process. Resorption is the phenomenon where

odontoblasts absorb teeth.


✓ Both statements are false



A 10 year-old has which permanent teeth?


✓ All incisors
✓ All canines
✓ All 1st Molars
✓ Mandibular 2nd premolars



When is calcification of primary teeth completed?


✓ 4th month in utero



A lower root to crown ratio equals _____ resistance.


✓ less



What is the last permanent incisor to erupt?

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✓ Maxillary lateral incisors



What is the pulp cavity?


✓ ...



Which permanent tooth is LEAST likely to be congenitally missing?


✓ Mandibular 2nd PREMOLAR



Gemination


✓ "Twinning"; when a single tooth germ attempts to divide, resulting in the incomplete
formation of two teeth; the tooth usually has a single root and root canal



Concrescence


✓ in dentistry, a condition in which two adjacent teeth become united by cementum



Dilaceration


✓ Abnormal bend or curve in the root of a tooth.



True/False




Gemination occurs most frequently in the permanent dentition. It is the

splitting of the tooth into two crowns and separate roots.


✓ Both statements are FALSE


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