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Prevalence and characteristics of pneumatizations of the articular eminence and roof of the glenoid fossa on cone-beam computed tomography

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Abstract

Objective

The aim of this study was to determine the prevalence and characteristics of pneumatization of the articular tubercle (PAT) and pneumatization of the roof of the glenoid fossa (PRGF) in a large population using cone-beam computed tomography (CBCT).

Materials and Methods

This study was designed to evaluate the CBCT images of 1000 patients. The prevalences of the pneumatizations by age, sex, locularity, and laterality were determined. The significance of differences between variables was evaluated by the Chi-square test and analysis of variance.

Results

PAT was detected in 28.4% of the zygomatic bone sides and PRGF in 29.6%. Bilateral PAT was detected in 176 (17.6%) patients and bilateral PRGF in 195 (19.5%). The mean age of patients with PAT was 47.33 years and that of patients with PRGF was 45.62 years. Multilocular appearance was observed significantly more often than unilocular type for both pneumatizations (p < 0.01). Unilateral PAT cases were slightly, but significantly, higher than bilateral PAT cases (p = 0.047), while no significant difference was observed between unilateral and bilateral PRGF cases.

Conclusions

In conclusion, PAT and PRGF can be assessed more accurately on CBCT images than on plain radiographs. During routine radiological investigations, maxillofacial radiologists should be aware of zygomatic air cells.

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Authors and Affiliations

  1. Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Okan University, Av. Prof. Dr. Necmettin Erbakan, 34947, Tuzla, Istanbul, Turkey

    Cansu Buyuk

  2. Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Ondokuz Mayıs University, Av. Korfez, 55270, Atakum, Samsun, Turkey

    Kaan Gunduz

  3. Department of Dentomaxillofacial Radiology, Health Sciences University, Av. Emrah, 06018, Kecioren, Ankara, Turkey

    Hakan Avsever

Authors
  1. Cansu Buyuk
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  2. Kaan Gunduz
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  3. Hakan Avsever
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Correspondence to Cansu Buyuk.

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Cansu Buyuk, Kaan Gunduz, and Hakan Avsever declare that they have no conflict of interest.

Human rights statements

All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions.

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Informed consent was obtained from all patients for being included in the study.

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Buyuk, C., Gunduz, K. & Avsever, H. Prevalence and characteristics of pneumatizations of the articular eminence and roof of the glenoid fossa on cone-beam computed tomography. Oral Radiol 35, 171–176 (2019). https://doi.org/10.1007/s11282-018-0334-z

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  • DOI: https://doi.org/10.1007/s11282-018-0334-z

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