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Modelling Intra-Sinus Fluid Movements and Drainage Through Computational Fluid Dynamics Before and After Maxillary
İpek Necla Güldiken Sarıkaya1, Alperen Tekin2, Fatih Suda3
1Department of Dentomaxillofacial Surgery, Faculty of Dentistry, Istınye University, İstanbul 34010, Turkey.
Journal of Clinical Medicine
|January 11, 2025
Summary
Sinus lifting for dental implants can alter airflow and potentially impair sinus drainage, increasing risks of mucosal damage. Simplifying the sinus structure may improve airflow dynamics and reduce complications.
Area of Science:
- Biomedical Engineering
- Oral and Maxillofacial Surgery
- Computational Fluid Dynamics
Background:
- Sinus lifting augments maxillary bone for dental implants.
- This procedure can lead to sinusitis due to impaired sinus drainage.
- Understanding airflow dynamics is crucial for patient outcomes.
Purpose of the Study:
- To assess the impact of sinus lifting on maxillary sinus airflow.
- To analyze aerodynamic consequences of sinus floor elevation using CFD.
- To evaluate risks of mucosal damage and impaired drainage.
Main Methods:
- Digital modeling and CFD analysis of patient cone-beam CT data.
- Simulation of three sinus elevation scenarios with varying implant heights.
- Evaluation of nasal resistance and wall shear stress.
Main Results:
- Sinus lifting caused some airflow changes, mainly affecting the anterior and posterior regions.
- Air entry points showed minimal impact from the implants.
- Higher sinus elevations correlated with more significant airflow alterations.
Conclusions:
- Maxillary sinus lifting may compromise sinus drainage and increase mucosal damage risk.
- Reduced sinus volume due to implants intensifies airflow.
- A simplified intra-sinus structure could enhance fluid dynamics and minimize complications.
