Comparison of mastoid air cell volume in patients with or without a pneumatized articular tubercle
Adisen Mehmet Zahit, Aydogdu Merve,
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( Adisen Mehmet Zahit ) - Kirikkale University Faculty of Dentistry Department of Oral and Maxillofacial Radiology
( Aydogdu Merve ) - Sun Yat-Sen University Guanghua Hospital of Stomatology Department of Implant Dentistry
Abstract
Purpose: The aim of this study was to compare mastoid air cell volumes in patients with or without a pneumatized articular tubercle (PAT) on cone-beam computed tomography (CBCT) images.
Materials and Methods: The CBCT images of 224 patients were retrospectively analyzed for the presence of PAT. The Digital Imaging and Communications in Medicine data of 30 patients with PAT and 30 individuals without PAT were transferred to 3D Doctor Software. Mastoid air cell volumes were measured using semi-automatic segmentation on axial sections. Data were analyzed using SPSS version 20.0.
Results: The patients with PAT and those without PAT had a mean mastoid volume of 6.31±2.86 cm3 and 3.25±1.99 cm3, respectively. There were statistically significant differences in mastoid air cell volumes between patients with and without PAT regardless of sex and mastoid air cell side (P<0.05).
Conclusion: The detection of PAT on routine dental radiographic examinations might be a potential prognostic factor that could be used to detect extensive pneumatization in the temporal bone. Clinicians should be aware that there may be widespread pneumatization of mastoid air cells in patients in whom PAT is detected. Advanced imaging should be performed in these cases, and possible complications due to surgical interventions should be considered.
키워드
Cone beam computed tomography; Mastoid/diagnostic imaging; Temporal bone/anatomy & histology; Imaging, Three-Dimensional/methods
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