TY - GEN
T1 - Mechanical properties of tooth enamel
T2 - 2011 SEM Annual Conference on Experimental and Applied Mechanics
AU - Nakamura, Toshio
AU - Lu, Cunyou
AU - Korach, Chad S.
PY - 2011
Y1 - 2011
N2 - Human tooth enamel possesses unique morphology characterized by repeated cell arrangement. Due to its complex structure, various investigators have reported diverse mechanical models and properties in their experimental and numerical studies. In this paper, the proper behavior described by the monoclinic model is reported and the effects of hydroxyapatite fibers and prism rods on the effective properties of tooth enamel are presented. The results are obtained from 3D finite element analysis with a novel procedure to construct periodic cell models and impose boundary conditions. This specialized approach allows determinations of 13 independent material constants needed for the monoclinic model. These constants may be used to construct homogenized models to study the mechanical behavior of entire tooth under abrasion, erosion, wear and fracture. In addition, a large scale 3D analysis was also performed to simulate instrumented micro-indentations of tooth enamel. The computed results are compared with experimentally obtained load-displacement measurements to verify the proposed model for the tooth enamel.
AB - Human tooth enamel possesses unique morphology characterized by repeated cell arrangement. Due to its complex structure, various investigators have reported diverse mechanical models and properties in their experimental and numerical studies. In this paper, the proper behavior described by the monoclinic model is reported and the effects of hydroxyapatite fibers and prism rods on the effective properties of tooth enamel are presented. The results are obtained from 3D finite element analysis with a novel procedure to construct periodic cell models and impose boundary conditions. This specialized approach allows determinations of 13 independent material constants needed for the monoclinic model. These constants may be used to construct homogenized models to study the mechanical behavior of entire tooth under abrasion, erosion, wear and fracture. In addition, a large scale 3D analysis was also performed to simulate instrumented micro-indentations of tooth enamel. The computed results are compared with experimentally obtained load-displacement measurements to verify the proposed model for the tooth enamel.
UR - https://www.scopus.com/pages/publications/84863279043
U2 - 10.1007/978-1-4614-0219-0_24
DO - 10.1007/978-1-4614-0219-0_24
M3 - Conference contribution
AN - SCOPUS:84863279043
SN - 9781461402183
T3 - Conference Proceedings of the Society for Experimental Mechanics Series
SP - 171
EP - 179
BT - Mechanics of Biological Systems and Materials - Proceedings of the 2011 Annual Conference on Experimental and Applied Mechanics
PB - Springer New York LLC
Y2 - 13 June 2011 through 16 June 2011
ER -