title: Human skull shape and masticatory induced stress: Objective comparison through the use of non-rigid registration.
abstract: 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.
authors.affiliation: Department of Mechanical and Aeronautical Engineering, University of Pretoria, Pretoria, 0001, South Africa.
authors.forename: Gerhardus J
authors.initials: GJ
authors.lastname: Jansen van Rensburg
authors.forename: Daniel N
authors.initials: DN
authors.lastname: Wilke
authors.forename: Schalk
authors.initials: S
authors.lastname: Kok
mesh_terms: D001732:Bite Force; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000379:methods; D021621:Imaging, Three-Dimensional / Q000379:methods; D008409:Mastication / Q000502:physiology*; D008410:Masticatory Muscles / Q000502:physiology; D012886:Skull / Q000502:physiology*; D013314:Stress, Mechanical