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DEA-105 Mod 3

DEA-105 Mod 3 . Unit 3 TISSUES OF THE TOOTH. TISSUES OF THE TOOTH. Four Primary tissues of tooth: 1. 2. 3. 4. Tissue: Enamel. Characteristics of enamel: Hardest Covers Inorganic ____% Minerals: calcium & phosphorus Composed of enamel rods No ability to repair

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DEA-105 Mod 3

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  1. 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: • Covers _________ of tooth • Bone-like tissue • Inorganic ________ • Color: • Function:

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