The objective of this study was to create a three-dimensional mathematical model of a human masticatory system, including the mandible, the dentition and the temporomandibular joints. Object of research was one 20 year old dead man. The research was approved by Committee of bioethics (Kaunas University of Medicine). Required extent of computed tomography scanning and required high amount and high resolution of images increased X-ray radiation for the object and made this research impossible to perform on alive human. Spiral computed tomography scanning was performed to achieve two-dimensional images, necessary for creating three-dimensional model. The 3D modeling was done using the "Image pro plus" and "Imageware"software. A three-dimensional physiological (normal) model of a human masticatory system, simulating the mandible, the dentition and the temporomandibular joints was generated. This model system will be used subsequently in stress analysis comparison for the physiological and pathological systems after improvement of its physical properties. We suggest that computer simulation is a promising way to study musculoskeletal biomechanics of masticatory system.
We study two-loop Euler-Heisenberg effective actions in three-dimensional N=2
And N=4 supersymmetric quantum electrodynamics (SQED) without Chern-Simons
Term. We find exact expressions for propagators of chiral superfields
Interacting with slowly-varying N=2 gauge superfield. Using these propagators...
We compare new HST images to images in the same filters observed
As much as 11 y previously to uncover large proper motions and surface
Brightness changes in its multiple finger-shaped outflows. The expansion age of
The ensemble of fingers is close to 100y. We find strong brightness variations
Mass spectrometry imaging (MSI) as an analytical tool for bio-molecular and
bio-medical research targets, accurate compound localization and
identification. In terms of dedicated instrumentation, this translates into the
demand for more detail in the image dimension (spatial resolution) and in the...
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