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Flashcards in Dentin Deck (20):
1

Physical characteristics of dentin include

Elastic/compressible
Harder than bone
More radiolucent than enamel

2

Chemical properties of dentin include

65% Inorganic
25% Organic

3

Inorganic Material of dentin includes

Hydoxyapatite
Phosphates, Carbonates, Sulfates

4

Organic Material of dentin includes

Type I collagen
GAGs
Glycoproteins

5

Dentinal Tubules are occupied by ______ and _______

Fluid
Odontoblastic Processes

6

Dentin Tubules are _____ at the pulp than at the DEJ

larger

7

Cytoplasmic extensions of odontoblasts contained in dentinal tubules

Odontoblastic Processes

8

Nerves are located only in _____ dentin

Inner (secondary dentin next to predentin)

9

Zone that immediately surrounds dentin tubules

Peritubular/Intratubular Dentin

10

Main body of dentin is composed of

Intertubular Dentin

11

Imbrication lines that run at right angles to dentinal tubules

Incremental Lines of Von Ebner

12

Accentuated incremental lines that are hypocalcified

Lines of Owen

13

Interglobular Dentin is a ________ area between globular dentin of calcifying dentin

Unmineralized/Hypomineralized

14

Spaces caused by looped terminal portions of dentinal tubules that entrap air

Tomes's Granular Layer

15

Hyaline Layer is a translucent layer layer between _____ and _______ that is formed by HERS

Tome's Granular Layer
Cementum

16

Primary dentin forms

Most of tooth
Outline of pulp chamber

17

______ dentin is the first formed dentin is less mineralized than ______ dentin

Mantle
Circumpulpal

18

Secondary dentin is formed

After root has become completed and tooth is functional

19

______ dentin represents increased Ca++ deposits of intratubular dentin

Transparent/Sclerotic

20

The result of disintegrated odontoblastic processes

Dead Tracts