Lesson 2.1: Anatomy of the Oral Cavity Flashcards Preview

NDAP NAVDEN 101 Unit 2: Basic Dental Science > Lesson 2.1: Anatomy of the Oral Cavity > Flashcards

Flashcards in Lesson 2.1: Anatomy of the Oral Cavity Deck (43)
Loading flashcards...
1

Part of the tooth encased in enamel; above and below the gum line

Anatomical Crown

2

Root tip

Apex

3

Name for the opening at the root tip (where blood vessels and nerves enter)

Apical foramen

4

Where the anatomical crown and root meet

Cemento-enamel junction

5

Part of the tooth covered in enamel; above the gum line

Clinical crown

6

Portion of the tooth covered by enamel

Crown

7

Innermost section of the tooth that provides sensation

Pulp

8

Runs from the apical foramen to the pulp chamber

Pulp Canal

9

This encases the pulp

Pulp Chamber

10

This makes up the anatomical crown's outer layer

Enamel

11

Enamel is the ______ material in the human body

hardest

12

Enamel is able to withstand crushing stresses of about _________?

100,000 psi

13

Enamel is incapable of _______ and _______.

remodeling, repair

14

Enamel is composed of __ to __ percent of inorganic material

96 to 99

15

Makes up the bulk of the tooth

Dentin

16

Dentin is _____ of continued growth and repair

capable

17

Dentin is the ______ hardest calcified tissue in the human body

second

18

Dentin is composed of approximately ___ percent inorganic material and ___ percent organic material

70/30

19

Anchors the tooth to the bony socket via attachment fibers

Cementum

20

The ________ is the vital center of the tooth. It is a soft tissue compound of loose, connective tissue containing numerous nerves, blood, and lymph vessels

dental pulp

21

The pulp chamber is located within the _____ of the tooth

crown

22

The pulp canal is within the _____ of the tooth

root

23

The primary function of the dental pulp is _________

the formation of dentin

24

Extension of the mandible and maxilla; forms sockets and supports teeth

Alveolar process

25

Tissue surrounding the teeth

Gingiva (gums)

26

Extends from the base of the sulcus to the cheek, lip, under tongue or the soft palate; self-protecting, resilient, firm tissue

Attached gingiva

27

The area from the gingival margin to the base of the gingival sulcus; not attached to bone

Unattached gingiva (Free gingiva)

28

Space between free gingiva and tooth

Gingival sulcus

29

Healthy sulcus rarely exceeds __ mm

2-3

30

Tissue that attaches to the tooth and forms the base of the sulcus

Epithelial attachment