DH 105 - QUIZ 1 NEWEST ACTUAL EXAM WITH COMPLETE QUESTIONS AND ANSWERS// VERIFIED//GRADED A+//

DH 105 - QUIZ 1 NEWEST ACTUAL EXAM WITH COMPLETE
QUESTIONS AND ANSWERS// VERIFIED//GRADED A+//


What are the 4 tissues of the tooth?
What is a characteristic of Enamel?
Enamel, Dentin, Cementum, Pulp
- enamel = hardest tissue in human body (harder than bone)




What is the most sensitive part of the crown of the tooth?
DEJ
Dentoenamel junction




What is the difference between the anatomic crown and the
clinical crown?
clinical: only the part of the crown that we can see
anatomic: entire crown




What is the difference between clinical root and anatomic
root?
clinical root: only what we see
anatomic root: entire root



Page 1 of 9

, What are the labial, buccal, and facial terms used to describe?
labial: surface of anterior teeth, close to lips
buccal: surface of posterior teeth, close to cheeks
facial: surface of post & ant teeth, close to cheeks and lips




What are the 3 ways you can divide a tooth into 3rds?
Mesial, Middle, Distal (three vertical columns)
Occlusal/Incisal, Middle, Cervical (three horizontal rows)
facial, middle, lingual (looking at occlusal surface)




What is the order of organizing terminology?
1 Mesial
2 Distal
3 Facial, Labial, Buccal
4 Lingual
5 Occlusal, Incisal
6 Cervical, Apical




What is the optimum root to crown ratio?
2/3

Page 2 of 9