1. Unit 3 TISSUES OF THE TOOTH
DEA-105 Mod 3
Unit 3
TISSUES OF THE
TOOTH

2. TISSUES OF THE TOOTH
Four Primary tissues of tooth: 1. 2. 3. 4.

3. Tissue: Enamel Characteristics of enamel: Hardest Covers
Inorganic ____%
Minerals: calcium & phosphorus
Composed of enamel rods
No ability to repair
Color ranges:

4. Enamel: Thicker at Nutritional disturbances may cause:
Weakened surface of enamel would be more:

5. Enamel
Clinical considerations:
FLUORIDE – can aid in:
Fluoride can be

6. Enamel:
Primary function:
Helps tooth withstand:

7. Dentin tissue Characteristics: Makes up: Harder than: Inorganic _____%
Covered by _______ on crown and
Covered by ____________on root

8. Dentin Characteristics: Color is:
Dentinal tubules form __-shape pattern
___________form dentin
Has ability to:

9. Dentin:
Antibiotic therapy during formation can cause permanent staining
Dental caries progress ____rapidly through dentin than enamel
Dental hypersensitivity if exposed

10. Dentin Structural changes in development:
Dentin is _____________when formed prior to eruption
________________dentin is formed later in life, in response to trauma

11. Dentin tissue Sensitivity of dentin: Dentin reacts to:
Sensitivity is not uniform
Exposed areas are
Patients complain
Air-water syringe can

12. Dentin Functions: Protection of NOTE: THE THICKER THE ________
the more ____________for the _______
During cavity preparation, a protective layer of insulation is placed
Dentin Repairs itself in response to trauma

13. Pulp tissue Characteristics: Contains: Sensitivity to:
Pulp identifies __________ and
__________changes, virbrations and
___________invasion

14. Pulp Only soft tissue Pulp tissue in crown ___________ Pulp horns
Pulp canal located in ___________

15. Pulp tissue Functions: Assist in production of dentin
***Provide sensitivity
Act as a defense mechanism by reacting to injury
Provide nourishment to the tooth

16. Pulp tissue Clinical considerations: Injury to tooth causes _________
Pressure inside tooth causes______ may require _____________

17. Cementum Characteristics: Function: Covers _________ of tooth
Bone-like tissue
Inorganic ________
Color:
Function: