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Flashcards in Tissue Types Deck (23)
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1
Q

Hard mineralized tissue which covers the dentin of the anatomical crown of a tooth

A

Enamel

2
Q

Most densely mineralized and hardest tissue in the human body

A

Enamel

3
Q

What is the composition of enamel (inorganic/organic)

A

97% inorganic

3% organic

4
Q

Feature of enamel that results from it’s hardness and structure

A

Brittle

5
Q

Hard mineralized tissue that forms the main body of the tooth

A

Dentin

6
Q

Composition of dentin (inorganic/organic)

A

70% inorganic

30% organic

7
Q

Surrounds the pulp

A

Dentin

8
Q

Covered by enamel in the anatomical crown and by the cementum in the anatomical root

A

Dentin

9
Q

Feature of dentin in comparison to enamel

A

Softer

Less brittle

10
Q

Internal line created by the meeting of the dentin and enamel in the anatomical crown of a tooth

A

Dento-enamel junction

11
Q

Hard tissue resembling bone which covers the dentin of the anatomical root of a tooth
Less dense than dentin

A

Cementum

12
Q

Provides attachment for periodontal fibers

A

Cementum

13
Q

Thinnest layer of the tooth (< 1 mm)

A

Cementum

14
Q

Irregular anatomic line around the neck of the tooth indicating the junction of enamel of the crown and the cementum of the root

A

Cemento-enamel junction/cervical line

15
Q

Constricted area of the crown and root adjacent to the CEJ

A

Cervix

16
Q

Soft connective tissue found in the center portion of the tooth entirely surrounded by dentin

A

Pulp

17
Q

Functions of pulp

A

Formation of dentin
Nutrition
Sensation
Defense and protection

18
Q

Make dentin (throughout life)

A

Odontoblasts in the pulp

19
Q

Laid down during period of tooth formation

A

Primary dentin

20
Q

Laid down during the rest of tooth’s life after tooth formation

A

Secondary dentin

21
Q

Dentin formed in response to irritant

A

Reparative

22
Q

Dentin formed in response to normal aging process

Consistent and uniform

A

Physiological dentin

23
Q

Connection of pulp to rest of body

A

Apical foramina