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Submitted: 13 Sep 2020
Accepted: 23 Sep 2020
ePublished: 30 Sep 2020
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Avicenna J Dent Res. 2020;12(3): 93-96.
doi: 10.34172/ajdr.2020.19
  Abstract View: 1037
  PDF Download: 614

Original Article

Evaluation of the Prevalence of Concha Bullosa in Cone-Beam Computed Tomography Images

Nasim Shams 1 ORCID logo, Bahareh Shams 2 ORCID logo, Zahra Sajadi 1* ORCID logo

1 Assistant Professor, Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
2 Assistant Professor, Department of Periodontics, Faculty of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
*Corresponding Author: Correspondence to Zahra Sajadi, Tel: +98-9168656402 Email address: , Email: fzgs2012@yahoo.com

Abstract

Background: The ostiomeatal complex (OMC) is not a separate anatomical structure although it is a functional unit of structures, including the middle meatus, uncinate process, infundibulum, maxillary sinus ostium, ethmoidal bulla, anterior ethmoid sinus ostium, and frontal recess. Concha bullosa is the pneumatization of the concha, which is one of the most common anatomical variations in the middle turbinate.

Methods: This study was conducted using the cone-beam computed tomography (CBCT) images of 172 patients in the archives of the Department of Oral and Maxillofacial Radiology, Dentistry School, Ahvaz Jundishapur. Patient information including age and gender, presence or absence of concha bullosa, the involved side (left or right), and its type (i.e., extensive, lamellar, and bulbous) were collected in the information form. Finally, the chi-square test (with SPSS, version 22) was used to analyze the data, and P value less than 0.05 was considered statistically significant.

Results: Patients with and without concha bullosa were 39.1 and 41.7 years, respectively, but it was no significant difference in terms of age (P=0.321). Out of 52 patients with concha bullosa, 19 (36.5%) cases were males and 33 (63.5%) of them were females. The prevalence of concha bullosa was higher for the bilateral side (20 patients, 38.5%, P=0.000). The prevalence of bulbuls- and lamellar-shape was nearly the same (32.7% and 30.8%, respectively). Eventually, the extensive shape with 36.5% was more frequent for the shape of concha bullosa (P=0.000).

Conclusions: The prevalence of concha bullosa was high. There was no significant difference in terms of age (P=0.321) and gender (P=0.058) of patients with concha bullosa. The extensive type and the bilateral appearance of concha bullosa were more significant (P=0.000).


Citation: Shams N, Shams B, Sajadi Z. Evaluation of the prevalence of concha bullosa in cone-eeam computed tomography images. Avicenna J Dent Res. 2020;12(3):93-96. doi: 10.34172/ajdr.2020.19.
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