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__________________________________________________________________ Material Mohs' hardness Ref. __________________________________________________________________ Abrasives Aluminum oxide 9 1 Boron carbide 9-10 1 Chalk (calcium carbonate) 3 1 Cuttlebone 7 238 Diamond 10 1 Garnet 6.5-7 1 Gypsum 2 1 Pumice 6 1 Quartz 7 1 Silicon carbide 9-10 1 Talc 1 1 Tungsten carbide 9 1 Zirconium silicate 7.5 1 Amalgam 4-5 238 Gold 2.5-3 1 Porcelain, feldspathic 6-7 238 Restorative materials Composite resin 5-7 238 Tooth structures Dentin 3-4 238 Enamel 5 238 __________________________________________________________________
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/Mohshard.html
