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Human skull shape and masticatory induced stress: Objective comparison through the use of non‐rigid registration
Author(s) -
Jansen van Rensburg Gerhardus J.,
Wilke Daniel N.,
Kok Schalk
Publication year - 2012
Publication title -
international journal for numerical methods in biomedical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.741
H-Index - 63
eISSN - 2040-7947
pISSN - 2040-7939
DOI - 10.1002/cnm.1493
Subject(s) - masticatory force , skull , human skull , stress (linguistics) , orthodontics , computer science , structural engineering , engineering , medicine , anatomy , philosophy , linguistics
SUMMARY Variation in masticatory induced stress, caused by shape changes in the human skull, is quantified in this article. A comparison on masticatory induced stress is presented subject to a variation in human skull shape. Non‐rigid registration is employed to obtain appropriate computational domain representations. This procedure allows the isolation of shape from other variations that could affect the results. An added benefit, revealed through the use of non‐rigid registration to acquire appropriate domain representation, is the possibility of direct and objective comparison and manipulation. The effect of mapping uncertainty on the direct comparison is also quantified. As shown in this study, exact difference values are not necessarily obtained, but a non‐rigid map between subject shapes and numerical results gives an objective indication on the location of differences. Copyright © 2012 John Wiley & Sons, Ltd.

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