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Properties of tooth enamel in great apes

Paper ID Volume ID Publish Year Pages File Format Full-Text
2000 97 2010 6 PDF Available
Properties of tooth enamel in great apes

A comparative study has been made of human and great ape molar tooth enamel. Nanoindentation techniques are used to map profiles of elastic modulus and hardness across sections from the enamel–dentin junction to the outer tooth surface. The measured data profiles overlap between species, suggesting a degree of commonality in material properties. Using established deformation and fracture relations, critical loads to produce function-threatening damage in the enamel of each species are calculated for characteristic tooth sizes and enamel thicknesses. The results suggest that differences in load-bearing capacity of molar teeth in primates are less a function of underlying material properties than of morphology.

Enamel; Modulus of elasticity; Hardness; Fracture; Tooth mechanics
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Properties of tooth enamel in great apes
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 6, Issue 12, December 2010, Pages 4560–4565
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Physical Sciences and Engineering Chemical Engineering Bioengineering