Properties of dental materials- Physical .pptx

The properties of dental materials form the basics for any methodology in material science.

1. Physical Properties of dental materials 2 nd Y ear theory

2. Thermal properties

3. Thermal conductivity

4. Thermal diffusivity

5. Coefficient of thermal expansion

6. Coefficient of thermal expansion

7. Electrochemical properties

8. Corrosion

9. Fundamental basis of corrosion

10. Chemical corrosion

11. Electrochemical mechanism of corrosion

12. Dissimilar metals

13. Heterogenous surface composition

14. Dissimilar metals

15. Stress corrosion

16. Concentration cell corrosion

17. Protection against corrosion

18. Clinical significance of galvanic currents

19. Mechanical properties of dental materials

20. Mechanical properties

21. Mechanical properties

22. Stresses and strains

23. Newtons third law of motion

24. Strain

25. Stress

26. Tensile stress

27. Compressive stress

28. Shear stress

29. Flexural stress- bending stress

30. Elastic properties

31. Elastic modulus –Young’s modulus or modulus of elasticity

32. Elastic modulus

33. Elastic modulus

34. Dynamic Young’s modulus

35. Flexibility

36. Resilience

37. Resilience

38. Poisson’s ratio

39. Strength properties

40. Proportional limit

41. Elastic limit

42. Yield strength

43. Permanent(Plastic)deformation

44. Cold working(Strain hardening or work hardening)

45. Diametral tensile strength

46. Flexural strength

47. Biaxial flexural strength

48. Biaxial flexural strength

49. Impact strength

50. Toughness

51. Brittleness

52. Ductility

53. Malleability

54. Tests used for ductility

55. Hardness

56. Hardness

57. Brinell hardness test

58. Knoop hardness test

59. Shapes of hardness indenter points