Dentine & Pulp Flashcards
1
Q
What is dentine and some of its features?
A
- Forms bulk of the tooth
- Harder than bone and cementum, but softer than enamel
- Greater compressive and tensile strength than enamel (less brittle)
- Permeable
- Yellowish in colour
2
Q
What is the % content of HA, water and organic matrix of dentine?
A
HA - 70% weight
Water - 10% weight
Organic Matrix - 20% weight§
3
Q
What can be found in the dentine region of a tooth?
A
- Nerve terminals (sensory)
- Dendritic cells (immune sys)
- NO BLOOD OR LYMPHATIC VESSELS
4
Q
What can be found in the dental pulp?
A
- Defence cells of immune system
- Nerves
- Blood vessels
- Lymphatics
5
Q
What are the functions of the dental pulp?
A
- Nutritive
- Dentine growth
- Dentine repair
- Defence (immune cells/lymphatics)
- Neural: sensory & control of dentine formation
