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2020 | OriginalPaper | Chapter

Analysis of the Effects of MARME Treatment on Respiratory Flow Using the Lattice-Boltzmann Method

Authors : Moritz Waldmann, Andreas Lintermann, Yoon Jeong Choi, Wolfgang Schröder

Published in: New Results in Numerical and Experimental Fluid Mechanics XII

Publisher: Springer International Publishing

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Abstract

Transverse maxillary deficiency is a common pathological condition. Patients suffering from this pathology often have narrowed airways compared to healthy humans. To cure such an anatomic defective position, a new method, the Miniscrew-Assisted Rapid Maxillary Expansion (MARME), has been developed. In previous studies, the effects of this treatment on respiration have been analyzed by examining the volume of a nasal cavity and the corresponding nasopharynx before and after treatment. In this study the fluid mechanical effects of MARME treatment on the respiratory flow and on the breathing capability are analyzed numerically. The realistic three-dimensional geometries of the nasal cavity employed for the simulation are reconstructed from Computer Tomography images. The flow within these geometries is simulated using a thermal Lattice-Boltzmann method. The results confirm that the respiratory resistance and the average wall-shear stress decrease after the MARME treatment. The heating capability, however, deteriorates.

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Title: Analysis of the Effects of MARME Treatment on Respiratory Flow Using the Lattice-Boltzmann Method
Authors: Moritz Waldmann
Andreas Lintermann
Yoon Jeong Choi
Wolfgang Schröder
Publisher: Springer International Publishing
Book: New Results in Numerical and Experimental Fluid Mechanics XII
Print ISBN: 978-3-030-25252-6

Electronic ISBN: 978-3-030-25253-3

Copyright Year: 2020
DOI: https://doi.org/10.1007/978-3-030-25253-3_80

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