Pulp

Question 1

Pulp, 2 types

Answer 1

Soft connective tissue, supports dentin Coronal pulp Radicular pulp

Question 2

Pulp Zones

Answer 2

Odontoblasts in pulp

Cell free zone (of Weil)

Cell rish zone

Pulp proper, central zone

Question 3

Cell Free ZOne of Weil

Answer 3

Unmyelinated nreve fibers and capillaries

Space for odontoblasts to move pulpally

Question 4

Cell Rich Zone

Answer 4

Mainly fibroblasts–> make collagen

Immune cells

• Macrophages
• lymphocytes
• dendritic cells

Question 5

Whats in the pulp?

Answer 5

Loose connective tissue

blood vessels

nerves

fibroblasts

pulpal cells

Question 6

Pulpal Innervation

Answer 6

Can only transmit pain

No propioceptors in pulp

Plexus of Raschkow (parietal layer)

-Mylenated and unmyelinated nerves

Question 7

What types of nerves are in the pulp?

Answer 7

A delta fibers

C fibers

Question 8

A Delta Fibers

Characteristics, pain transmitted, location

Answer 8

Myelinated sensory nerve fibers

Fast sharp, pricking pain

Located in coronal (odontoblastic) region of pulp

Make up 90% of nerve fibers in pulp

Question 9

C Fibers

Answer 9

Unmyelinated

slow, dull, burning

diffuse pain

Question 10

Sympathetic Fibers

Answer 10

Deep in pulp

Travel through trigeminal ganglion to innervate teeth