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Volume 26 , Issue 3
May/June 2013

Pages 268271

Numeric Simulation of the Upper Airway Structure and Airflow Dynamic Characteristics After Unilateral Complete Maxillary Resection

Yumei Qian, MM/Haixin Qian, PhD/Yadong Wu, PhD/Ting Jiao, DDS, PhD

PMID: 23626982
DOI: 10.11607/ijp2970

This study investigated upper airway aerodynamic characteristics of patients who underwent maxillectomy using three-dimensional reconstruction and computational fluid dynamics. The results revealed the generation of low-velocity vortices throughout the entire maxillary defect during respiration. The nasal structure on the nonsurgical side changed postsurgically, possibly due to the pressure gradient between the defective and healthy side. The bilateral disturbed airflow patterns are believed to be the cause of common symptoms. The numeric simulation technique could be used as a potential method to understand upper airway morphology changes and respiratory functions, thus guiding the fabrication of prostheses. Int J Prosthodont 2013;26:268271. doi: 10.11607/ijp2970

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