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Thermal diffusivity
Material Product (sq. mm/sec) Ref.
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Amalgam Caulk Fine Cut 9.6 141
Cements
Calcium hydroxide Dycal 0.187 206
0.240 140
Life 0.186 206
Glass-ionomer
Light-cured Vitrabond 0.184 208
XR Ionomer 0.194 208
Zionomer 0.290 208
Self-cured Base cement 0.266* 205
Dentin cement 0.232* 205
Fuji 0.262 139
Ketac-Bond 0.205 208
Ketac-Cem 0.239* 205
Resin Time Line 0.174 208
Unmodified ZOE 0.389# 24
0.471$ 140
Cavitec 0.086 206
Zinc phosphate Tenacin 0.290$ 24
Stratford Cookson 0.308** 140
Zinc polycarboxylate Poly-C 0.332 140
Gold (pure) 118 141
Impression materials
Dental compound Kerr 0.226 34
Polyether Impregum 0.43 207
Silicone, addition Baysilex 0.32 207
Provil
medium 0.38 207
high 0.22 207
Poly(methyl methacrylate) Lucite 0.124 140
Restorative materials
Acrylic Bonfil 0.123 24
Sevriton 0.125 140
Composite resin Adaptic 0.675 24
0.655 140
Adaptic## 0.725 139
Concise 0.338 139
Cosmic 0.310 139
Isopast 0.191 139
Profile 0.283 139
Glass-ionomer Fuji Type II 0.216 208
Improved Fuji
Type II 0.228 208
Metal-reinforced
glass-ionomer Ketac Silver 0.516 208
Miracle Mix 0.407 208
Silicate Improved Filling
Porcelain 0.243# 24
Silicap 0.275 140
Tooth structures
Dentin 0.183 41
0.258 206
Enamel 0.469 41
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* Powder/liquid ratio, 1.0 g/ml.
# Powder/liquid ratio, 3.0 g/ml.
$ Powder/liquid ratio, 2.5 g/ml.
** Powder/liquid ratio, 1.85 g/ml.
## Radiopaque.
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/Thermdiff.html
