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Structure of matter ,physical &mechanical properties
33-
1- Dental Materials Def./introduction/ Structure of matter / intro. Atom / intro. types of bonds 05 minLecture1.1
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2- Follow types of bonds 05 minLecture1.2
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3- Follow types of bonds / crystalline solids and amorphous solids 05 minLecture1.3
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4- Follow crystalline solids and amorphous solids / space lattice –def.-shapes-unit cells-/atomic packing 05 minLecture1.4
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5- Atomic packing –simple cubic system –face centered cubic- body centered cubic / isomerism /silica 05 minLecture1.5
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6- Details /dental materials 05 minLecture1.6
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7- Details Atoms /details bonds (primary (ionic-covalent) 05 minLecture1.7
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8- Covalent bond –difference between covalent and ionic bonds-free electric cloud-metallic properties / secondary bonds – Van Der Waal forces-polarization 05 minLecture1.8
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9- Polarization – permanent dipole –fluctuating dipole /solids classification (type of bond-crystalline structure )/ atomic and molecular solids 05 minLecture1.9
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10- Crystalline or amorphous solids 05 minLecture1.10
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11- Crystal lattice (atoms in space) /Unit cells/properties related to structure /cubic structure/simples cubic atomic packing / 05 minLecture1.11
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12- Face centered cubic atomic packing /isomerism and polymorphism/silica polymorphism 05 minLecture1.12
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13- Heat (alpha and beta quartz) /displacive transformation and reconstructive transformation ( tridymite) / crystal imperfections 05 minLecture1.13
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14- Imperfections –point defect line defect- plane defect 05 minLecture1.14
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15- Physical properties /Def./ Mass related properties (Density) /thermal properties 05 minLecture1.15
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16- Specific Heat – melting point-heat of fusion –latent heat of fusion –thermal conductivity and diffusivity 05 minLecture1.16
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17- Thermal diffusivity / coefficient of thermal expansion and contraction / water sorption 05 minLecture1.17
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18- Optical properties /light and color /transmission ,reflection, smooth reflection, diffuse reflection, refraction 05 minLecture1.18
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19- Scattering of light , fluorescence, laser 05 minLecture1.19
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20- Laser applications /interaction light with materials and application in dentistry / color 05 minLecture1.20
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21- Follow color / color parameters (hue ,value and Chroma ) / clinical consideration / primary , secondary and complementary colors / 05 minLecture1.21
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22- Metamerism (light source ) / surroundings and light perception / observer and light perception / color fatigue / 05 minLecture1.22
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23- Color perception / color blindness/ surface and color perception / object and color perception /shelf life 05 minLecture1.23
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24- shelf life / working and setting time /mechanical properties /def. / force /stress/strain /types of stress ( compressive- 05 minLecture1.24
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25- types of stress ( compressive-shear – tensile ) / complex stresses / elastic stain def./ plastic or permeant stain /stress strain curve –illustration of the curve 05 minLecture1.25
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26- proportional limit /yield strength /ultimate tensile strength 05 minLecture1.26
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27- fracture strength /diff.between ultimate tensile and fracture points / young’s modulus of elasticity (rigidity) / flexibility 05 minLecture1.27
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28- stress related properties -Ductility and Malleability and brittleness 05 minLecture1.28
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29- Energy related properties –fracture toughness / resilience and toughness /material properties determination through the curve / impact strength / 05 minLecture1.29
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30- Transverse (flexural) strength /cantilevering /bending /impact strength / tests /tensile compression tests 05 minLecture1.30
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31- Fatigue /cyclic loading / fatigue limit/surface properties / Hardness / 05 minLecture1.31
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32- Follow Hardness /Wear resistance/ viscoelasticity – Newtonian –Dilatant –pseudoplastic fluids 05 minLecture1.32
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33- Follow viscoelasticity – Newtonian –Dilatant –pseudoplastic / creep 05 minLecture1.33
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Alloys
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34- Alloys introduction /alloy system / binary alloys / melting range –cooling curve/ phase diagram 05 minLecture2.1
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35- Follow phase diagram / Alloys details /binary system alloys solubility /def. solid solutions , eutectic and intermetallic compound 05 minLecture2.2
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36- Phase diagram /def./cooling curves / liquidus line and solidus line /solid solution /coring /cored structure 05 minLecture2.3
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37- Cored structure /eutectic alloys lowest melting point (complete insolubility)/ usage of eutectic /partial solubility/ 05 minLecture2.4
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38- Intermetallic compound /substitutional solid solution / interstitial solid solution /heat treatments /gold-copper system 05 minLecture2.5
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39- gold-copper system / order hardening and ordered softening 05 minLecture2.6
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40- heat treatments classifications /precipitations hardening / summarization 05 minLecture2.7
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Metallurgy
8-
41- Metallurgy /def./structure of metals /properties of metals / 05 minLecture3.1
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42- Follow properties of metals/ def. shaping of metal /casting def. / Cold working def./ powder metallurgy (centering)/electroforming 05 minLecture3.2
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43- Microstructure of metals /cooling of metals /nuclei formation /crystallization and grain growth/ def. grain boundaries / 05 minLecture3.3
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44- Grain orientation /grain boundaries details /cooling curve of metals / 05 minLecture3.4
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45- Follow Cooling curve of metal / nucleation –homogeneous-heterogeneous -nucleating agent /number and size of grains effect/ grain boundaries effect 05 minLecture3.5
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46- Follow Grain boundaries effect /controlling grain size /effect on properties /cold working and strain hardening /fibrous grains 05 minLecture3.6
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47- Follow Cold working and strain hardening /annealing and recrystallization /elastic and plastic deformation 05 minLecture3.7
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48- Follow elastic and plastic deformation / repeated lecture 1 alloy 05 minLecture3.8
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Casting &investment material
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49- Dental casting /lost wax technique def. /sprue 05 minLecture4.1
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50- Follow sprue –direction-type-diameter 05 minLecture4.2
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51- Follow sprue length / thickness of investment /number of sprues /position /the Ring 05 minLecture4.3
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52- wetting of wax pattern (surfactants ) /dimensional changes and compensations 05 minLecture4.4
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53- ring removal-liner asbestos / wax burnout / heating metal / pouring of metal 05 minLecture4.5
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54- cutting sprue/ finishing and polishing/ pickling / porosity / 05 minLecture4.6
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55- Investment materials /requirement needed /types /silica and binder (gypsum-phosphate-silicate) / gypsum bonded investments –def. – properties (expansion) 05 minLecture4.7
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56- Indications of gypsum boded investment /phosphate bonded investment /silicate bonded investments/ 05 minLecture4.8
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Adhesion
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57- Adhesion /def./ clinically / cohesion and adhesion /adherent and adhesive / types of adhesion (chemical-mechanical (not true adhesion) ) 05 minLecture5.1
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58- True adhesion / adhesive junction /wetting /factors affect wetting 05 minLecture5.2
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59- Surface tension and surface energy 05 minLecture5.3
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60- Impurities /irregularities /thickness of adhesive junction /type of bonding 05 minLecture5.4
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61- Stress in adhesive junction / thermal stresses/ bond failure / 3 steps-bonding to teeth / 05 minLecture5.5
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62- Follow bonding to teeth /bonding to enamel / bonding to dentine 05 minLecture5.6
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63- Follow bonding to dentine/ primer /application 05 minLecture5.7
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64- Adhesive systems /5th generation 05 minLecture5.8
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65- Self-etching primer /self-etching primer and bond/ 7th generation all in one / 05 minLecture5.9
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66- Universal adhesives and its disadvantages /clinical application 05 minLecture5.10
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67- Follow clinical application 05 minLecture5.11
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Impression material
14-
68. Impression materials /Definition, properties and requirements /steps (general)/ 05 minLecture6.1
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69. Follow requirements and properties of impression materials 05 minLecture6.2
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70. Classification ( elastic-rigid ) def. and requirements / rigid impression material/plaster impression / 05 minLecture6.3
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71. Follow plaster impression material / impression compound 05 minLecture6.4
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72. Follow impression compound /Zinc Oxide-eugenol impression material 05 minLecture6.5
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73. Follow ZNO impression material /elastic impression material /requirement /classification 05 minLecture6.6
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74. Hydrocolloids /agar-alginate general 05 minLecture6.7
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75. Follow agar / alginate 05 minLecture6.8
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76. Follow alginate 05 minLecture6.9
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77. Viscoelastic nature and strain rate /elastomers (rubber bases) def./reaction 05 minLecture6.10
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78. Classification of rubber base impression material /reaction, byproduct, comparison shrinkage / polysulphide rubber impression material 05 minLecture6.11
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79. Silicon impressions materials (types-condensation and addition) / forms or rubber bases impression materials 05 minLecture6.12
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80. Requirements of rubber impression material and manipulation – recent modalities –digital impression 05 minLecture6.13
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81. Follow digital impression technology 05 minLecture6.14
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Cements
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82. Dental cements /def./uses/ideal requirements of dental cements 05 minLecture7.1
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83. Zinc Oxide eugenol cement 05 minLecture7.2
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84. Zinc phosphate cement 05 minLecture7.3
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85. Zinc Polycarboxylate cement /glass ionomer cement 05 minLecture7.4
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86. Glass ionomer cements 05 minLecture7.5
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87. Modifications of glass ionomers cement (Resin modified glass ionomer) / metal reinforced glass ionomer / 05 minLecture7.6
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88. zirconia reinforced glass ionomer /Nano technology modifications in glass ionomer /highly viscous glass ionomer /modifications in manipulations 05 minLecture7.7
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89. Liners and varnishes 05 minLecture7.8
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amalgam
10-
90. Amalgam / intro def. /mercury amalgamation reaction 05 minLecture8.1
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91. Requirements, properties and constitutions /dental amalgam alloy 05 minLecture8.2
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92. Zinc and its effect in dental amalgam alloy /amalgam alloy construction homogenization heat treatment /lath cut particles 05 minLecture8.3
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93. Annealing heat treatment /lath cut particles properties /spherical – spheroidal amalgam alloy particle /classification of amalgam 05 minLecture8.4
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94. Classification according to copper containing amalgam /amalgamation reaction (low copper reaction –admixed high copper reaction ) 05 minLecture8.5
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95. Follow amalgamation reaction (admixed high copper reaction ) /Unicompositional high copper amalgam reaction 05 minLecture8.6
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96. Properties of amalgam /strength (tensile-compressive) /dimensional changes /flow and creep 05 minLecture8.7
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97. Follow creep /thermal conductivity / 1 hour compressive strength / manipulation 05 minLecture8.8
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98. Follow manipulation 05 minLecture8.9
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99. Summarization 05 minLecture8.10
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composite
7-
100. Composite /def./components and properties 05 minLecture9.1
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101. Composite composition and properties matrix/fillers/coupling agents / activator and initiator /inhibitor 05 minLecture9.2
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102. Composition /Pigments / fillers (macro filled composite-micro filled composite 05 minLecture9.3
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103. Hybrid composite /Nano filled composite 05 minLecture9.4
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104. Residual monomer /solubility /coefficient of thermal expansion and contraction / thermal conductivity /shrinkage and how to overcome it 05 minLecture9.5
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105. Follow shrinkage and how to overcome it . 05 minLecture9.6
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106. Layering / incremental technique/indirect composite /curing /ORMOCER 05 minLecture9.7
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polymers
9-
107. Polymers def. / types /polymerization reaction (free radical ) 05 minLecture10.1
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108. Termination of polymerization /activation of the free radical 05 minLecture10.2
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109. Types of polymerization reactions (addition-condensation)/ heat, shrinkage 05 minLecture10.3
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110. Residual monomer / polymers chains (linear-branched- cross linked ) 05 minLecture10.4
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111. Follow Polymer chains / properties of polymers /types of polymers (thermoplastic-thermoset) 05 minLecture10.5
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112. Follow types of polymers (thermoplastic-thermoset) / molecular weight of monomer/ Degree of polymerization 05 minLecture10.6
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113. Factors affecting properties of polymers / copolymerization / plasticizers 05 minLecture10.7
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114. Inorganic filler and polymers /summarization 05 minLecture10.8
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115. End of polymers 05 minLecture10.9
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