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Elastic Modulus, E

The elastic modulus of a material represents the relative stiffness of the material within the elastic range and can be determined from a stress-strain curve by calculating the ratio of stress to strain. Unless indicated otherwise, values were determined in tension.

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                                                   E

Material                Product        (psi x 10e6) (GPa)    Ref.

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Alumina                 De Trey            60.6*    418*       21

Amalgams (7d)

  Admixed               Dispersalloy        7.60*    52.4*    186

                        Valiant PhD         8.05*    55.5*    186

  Spherical             Indiloy             7.56*    52.1*    186

                        Lojic               7.82*    53.9*    186

                        Sybraloy            8.72*    60.1*    186

                        Tytin               7.64*    52.7*    186

                        Valiant             8.54*    58.9*    186

Bones

  Cancellous                                0.071     0.49    192

  Cortical                                  2.1      14.7     192

  Long bones

    Femur                                   2.49     17.2     172

    Humerus                                 2.49     17.2     172

    Radius                                  2.70     18.6     172

    Tibia                                   2.63     18.1     172

  Vertebrae

    Cervical                                0.033     0.23    172

    Lumbar                                  0.023     0.16    172

Cements

  (base consistency, 24 hrs)

  Polymer-modified ZOE  B & T               0.310#    2.14#     2

  Zinc phosphate        Zinc Cement

                          Improved          3.25#    22.4#      2

  Zinc polycarboxylate  Durelon             0.718#    4.95#     2

Cements

  (luting consistency, 24 hrs)

  EBA-alumina ZOE       Opotow              0.787#    5.43#     2

                                            0.45$     3.1$    145

  Glass-ionomer         ASPA                1.4$      9.8$    145

                        Fuji                0.58$     4.0$    145

                        Ketac-cem           0.91*     6.3*    178

  Noneugenol

    zinc oxide          Nogenol             0.0257#   0.177#    2

  Polymer-modified ZOE  Fynal               0.441#    3.04#     2

                                            0.17$     1.2$    145

  Zinc phosphate        Zinc Cement

                          Improved          1.99#    13.7#      2

  Zinc polycarboxylate  Carboxylon          0.35$     2.4$    145

                        Durelon             0.638#    4.40#     2

                                            0.46$     3.2$    145

                        Durelon

                          (thin liquid)     0.44$     3.0$    145

Cements (liners, 24 hrs)

  Calcium hydroxide

    Light-cured         VLC Dycal           0.087*    0.6*    178

    Self-cured          Dycal               0.32*     2.2*    178

                        Life                0.29*     2.0*    178

  Glass-ionomer

    Light-cured         Vitrabond           0.16*     1.1*    179

                        XR Ionomer          0.35*     2.4*    179

    Self-cured          GC Lining Cement    0.42*     2.9*    178

                        Ketac Bond          0.68*     4.7*    178

  Resin                 Cavalite            0.38*     2.6*    179

                        Timeline            0.25*     1.7*    179

  Unmodified ZOE        Cavitec             0.0406#   0.280#    2

Cobalt-chromium alloys  Advantage**        18.2     125       198

                        Advantage##        21.6     149       198

                        Cobond**           21.8     150       198

                        Cobond##           23.0     159       198

                        GenesisII**        30.6     211       198

                        GenesisII##        22.8     157       198

                        Master Tec**       21.2     146       198

                        Master Tec##       22.8     157       198

                        Novarex**          22.4     154       198

                        Novarex##          26.3     181       198

                        NovarexII**        23.8     164       198

                        NovarexII##        21.8     150       198

                        Vi-Comp**          21.6     149       198

                        Vi-Comp##          22.8     157       198

                        Vitallium          31.6     218        61

Crown-and-bridge resins

  Acrylic               Biotone             0.327#    2.26#    23

  Polyester             Mer-Don 7           0.267#    1.84#    23

  Polyvinyl acrylic     Luxene              0.410#    2.83#    23

Denture resins

  Cold-cured            PERform             0.236     1.63    218

  Heat-cured            Lucitone 199        0.154     1.06    218

                        Paragon             0.426     2.94    209

                        Perma-cryl 20       0.193     1.33    218

  Light-cured           Triad               0.306     2.11    218

Duplicating material

  Agar                  Nobiloid           70psi      0.48MPa  60

Fluorapatite            Durango, Mexico    21.4     148        40

Gold alloys

  Type I                Special Inlay      11.2#     77.2#      4

  Type III              Sjoding C-3        14.5     100       144

  Type IV               Ney-Oro G-3        14.4#     99.3#      4

                        Sjoding D          13.8      95       144

  64% Au-Ag-Cu          Begolloyd          11.5      79       144

  48% Au-Ag-Cu          Midigold           14.5     100       144

  Au-Ag-Pd                                 11.4      78       192

  Au-Pd                 Olympia**          14.9     103       199

                        Olympia##          15.7     108       199

  Porcelain-fused-

    to-metal            Ceramco O          12.5      86.2       6

Gutta-percha            Indian Head         0.027     0.186    28

                        Mynol               0.022     0.152    28

Gypsum

  Improved stone        Velmix              2.1*     14.5*     83

Hydroxyapatite                              5.0      34       192

Impression materials

  Agar#                 Surgident         200psi     1.38MPa   60

  Alginate, 6 min.$$    Jeltrate           38psi     0.26MPa   27

  Polyether***          Impregum F         51psi     0.35MPa  187

                        Permadyne          59psi     0.41MPa  187

  Polysulfide***        Permlastic

                          light             2psi     0.013MPa 187

                          heavy            17psi     0.12MPa  187

  Silicone, addition*** Provil

                          light            45psi     0.31MPa  187

                          putty            51psi     0.35MPa  187

  Silicone,

    condensation***     Rapid

                          light            13psi     0.088MPa 187

                          putty            38psi     0.26MPa  187

Iron-chromium alloys

  Crown-and-bridge      Dentillium C-B     25.7     177        61

  Partial denture       Dentillium P-D     29.3     202        61

Maxillofacial material

  Silicone rubber      Silastic 382       297psi      2.05MPa  39

Nickel-chromium

  alloys               Ceramalloy II**     27.2     188       199

                       Ceramalloy II##     23.1     159       199

                       Microbond NP2**     21.1     145       199

                       Microbond NP2##     21.1     145       199

                       Pentillium          24.9     172       136

                       Ticon**             25.6     177       199

                       Ticon##             24.8     171       199

  Porcelain-fused-

    to-metal           Ultratek            29.4     203         6

  Crown-and-bridge     Howmedica III       26.0     179       110

Palladium-based 

  dental alloys        Microstar**         19.5     134       199

                       Microstar##         17.9     123       199

                       Spartan**           15.8     109       199

                       Spartan##           15.0     103       199

                       W-1**               16.9     117       199

                       W-1##               16.8     116       199

Polymers

  Polyetherurethane    Pellethane2363-80A   0.0023    0.016   182

  Polyetherurethane

    urea               Biomer               0.0016    0.011   182

  Poly(methyl 

    methacrylate)                           0.345     2.38    183

Porcelains

  Alumina-reinforced   Vitadur-N(Core)     15.5     107       231

  Castable ceramic     Dicor               10.7      74       231

  Ceramic-whisker-

    reinforced         Mirage II           10.0      69       231

  Feldspathic          Excelco              8.7      60       231

                       Vita VMK 68         10.2      70       231

                       Vita VMK 68-N       10.0      69       231

                       Will-Ceram           9.1      63       231

  Leucite-reinforced   Optec HSP            9.1      63       231

Restorative materials

  Composite resin

    All-purpose        Brilliant            2.41     16.6     158

                       Charisma             2.04     14.1     158

                       Conquest DFC         2.54     17.5     158

                       Heliomolar 

                         Radiopaque         1.41      9.8     158

                       Herculite XR         2.33     16.0     158

                       Herculite XRV        1.38      9.5     211

                       Marathon             2.95     20.3     158

                       P-50 APC             3.63     25.0     158

                       Pertac Hybrid        2.18     15.1     158

                       Prisma APH           1.98     13.6     158

                       True Vitality        0.78      5.4     211

                       Z-100                3.05     21.0     158

    Anterior           Durafill             0.88      6.1     158

                       Helio Progress       1.32      9.1     158

                       Multifil VS          1.14      7.8     158

                       Prisma Fil           2.07     14.3     158

                       Prisma Microfine     0.83      5.7     158

                       Silar                1.32      9.1     158

                       Silux                1.36      9.4     158

                       Silux Plus           1.37      9.5     158

                       Valux                2.86     19.7     158

                       Visio Dispers        1.56     10.8     158

                       Visio Fil            3.15     21.7     158

    Posterior          Clearfil Photo

                         Posterior          3.68     25.3     158

                       Ful Fil              2.10     14.5     158

                       Heliomolar           1.54     10.6     158

                       Occlusin             3.45     23.8     158

                       P-10                 3.64     25.1     158

                       Post Comp II LC      2.33     16.1     158

  Glass-ionomer        Ketac-fil            1.57     10.8     188

  Metal-reinforced

    glass-ionomer      Ketac-Silver         0.62*     4.3*    178

Silicate               Improved Filling

                         Porcelain          3.25#    22.4#      4

Silver-palladium

  alloys               Alborium            14.4      99       144

                       Hvitstop            15.2     105       144

                       Palliag H           15.8     109       144

Titanium                                   17.0     117       126

Tooth structures

  Dentin (bovine)

    Demineralized                           0.036     0.25    185

    Mineralized                             1.99     13.7     185

  Dentin (human)

    Demineralized                           0.038     0.26    185

    Mineralized                             2.13     14.7     185

  Enamel                                   12.2#     84.1#      4

                                           18.9     130       192

  Peridontal membrane

   (young calf)                           172psi      1.18MPa  65

Vitreous carbon                             3.5      24.1     117

Waxes

  Inlay casting, hard  Kerr blue hard       0.092#    0.634#   30

  Inlay casting, soft  Kerr blue regular    0.101#    0.696#   30

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*   Measured in bending.

#   Measured in compression with optical strain gauge.

$   Measured in compression.

**  As cast.

##  Heat treated.

$$  Cord modulus in tension at 5% strain.

*** Measured with Shearheometer at setting time.


Introduction to Biomaterials Properties | Biomaterials Properties Table Listing |
References (1-100) | References (101-200) | References (201-244) |

Revised April, 1996
Biomaterials Properties Database, University of Michigan
Contact: Dr William J. O'Brien, Director (FAX: 313-647-5293).
Copyright © Quintessence Publishing, 1996.

http://www.lib.umich.edu/dentlib/Dental_tables/Elasmod.html

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