Dentin Anatomy

Question 1

Process of Dentin

Answer 1

1. Collagenous matrix of odontoblasts

2. Maturation through mineralization

Question 2

Dentin formation

Answer 2

1. Continues as long as tooth is vital
2. Can be stimulated environmentally

*closest to pulp, layer by pulp

Question 3

___% inorganic
___% organic
___% water

Answer 3

70%
20%
10%

Question 4

Inorganic dentin is mineralized from…

Organic dentin is mostly made up of..

Answer 4

Hydroxyapatite

Collagen

Question 5

Dentin function

Answer 5

“Shock absorber” for the tooth

Question 6

Color of dentin

Answer 6

Yellow, darkens if pulp goes bad

Question 7

DEJ is

Answer 7

Scalloped union with enamel, wavy lines, increased surface area which makes the union stronger

Question 8

Origin of Dentin

Answer 8

Outer cells of dental papilla- embryonically