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CE Temp. Range
Material Product (x 10e-6/deg. C) (deg. C) Ref.
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Alumina
(recrystallized) 6.2 0-200 20
Amalgam 22.1-28.0 20- 50 147
Cement
Unmodified ZOE 35 25- 60 91
Cobalt-chromium
alloys Master Tec 14.7 25-500 222
Novarex 14.1 25-500 223
Denture resins
Acrylic 76 5- 37 59
Polystyrene Jectron 67.3 20- 37 46
Polyvinylacrylic Luxene 44 69.2 20- 37 46
Gold Alloys
Au-Pd Olympia 14.1 25-500 9
Au-Pt-Pd TPW 15.48 200-700 196
Porcelain-fused-
to-metal Jelenko O 14.71 40-500 134
SMG-2 15.73 40-500 134
Williams-Y 14.83 40-500 134
Gutta percha 54.9 23-38 114
Impression materials
Silicone,
addition Exaflex
light 142 22-40 225
medium 128 22-40 225
Permagum
light 184 22-40 225
medium 158 22-40 225
heavy 147 22-40 225
putty 132 22-40 225
President
light 156 22-40 225
medium 144 22-40 225
heavy 120 22-40 225
putty 109 22-40 225
Reflect 152 22-40 225
Reprosil
light 154 22-40 225
medium 152 22-40 225
heavy 136 22-40 225
putty 109 22-40 225
Xantogum 160 22-40 225
Mercury 60.6 20-50 147
Nickel-chromium
alloys Biobond C & B 14.27 40-500 134
Ceramalloy II 14.63 40-500 134
NP-2 15.28 40-500 134
Pentillium 14.14 40-500 134
Unimetal 15.68 200-700 196
Palladium-based dental
alloys Microstar 14.3 25-500 9
Spartan 14.2 25-500 222
W-1 15.2 25-500 222
Pit-and-fissure sealants
Self-cured Delton 90.3-97.1 0- 60 148
Kerr 70.9-78.2 0- 60 148
White 93.7-99.1 0- 60 148
Light-cured Nuva Seal 78-80 0- 60 148
Porcelains
Feldspathic 6.4-7.8 0-200 20
Body Biobond 13.59-14.82* 40-500 134
Ceramco 12.93-13.07* 40-500 134
Microbond 14.59-15.28* 40-500 134
Neydium 14.04-15.93* 40-500 134
Vita (VMK-68) 12.73-14.45* 40-500 134
Will-Ceram 15.94-16.23* 40-500 134
Opaque Biobond 13.10-14.35* 40-500 134
Ceramco 12.70-14.23* 40-500 134
Microbond 12.38-14.80* 40-500 134
Neydium 13.25-14.23* 40-500 134
Vita (VMK-68) 14.29-16.03* 40-500 134
Will-Ceram 14.68-15.45* 40-500 134
Pure metals
Gold 14.4 20- 50 147
Platinum 8.9 Near 20 130
Silver 19.2 20- 50 147
Titanium 11.9 23 126
Restorative materials
Acrylic Sevriton 92.0 24- 88 42
Composite resin Adaptic 39.4 24- 88 42
35.8-40.1 0- 60 148
Adaptic
(radiopaque) 32.2-39.0 0- 60 148
Concise 39.6-43.4 0- 60 148
Nuva Fil 28.3-30.2 0- 60 148
Simulate 28.2-31.6 0- 60 148
Vytol 26.5-27.8 0- 60 148
Ti-6Al-4V alloy 12.43 200-700 196
Tooth structures
Crown 11.4 20- 50 147
Root 8.3 20- 50 66
Vitreous carbon 2.2 0-100 117
Waxes
Inlay casting,
hard Kerr blue hard 320 22- 37 29
Inlay casting,
soft Kerr blue regular 260 22- 37 29
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* Range is for 1-7 firing cycles. Values of the coefficients are not
necessarily
related to the specific firing cycle.
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/Coefthermexp.html
