Imaging Sci Dent.  2019 Mar;49(1):45-51. 10.5624/isd.2019.49.1.45.

Concha bullosa, nasal septal deviation, and their impacts on maxillary sinus volume among Emirati people: A cone-beam computed tomography study

• Al-Rawi NH
• Uthman AT
• Abdulhameed E
• Al Nuaimi
• Seraj Z

• KMID: 2442108
• DOI: http://doi.org/10.5624/isd.2019.49.1.45

Abstract

PURPOSE
To determine the prevalence of concha bullosa (CB) and nasal septal deviation (NSD) and their impact on maxillary sinus volume (MSV).
MATERIALS AND METHODS
Cone-beam computed tomographic (CBCT) images of 106 Emirati people were used in this study. The direction and angle of septal deviation were calculated. The presence of CB, which could be unilateral, contralateral, or bilateral in relation to the direction of NSD, was also recorded. MSV was measured using reconstructed Digital Imaging and Communication in Medicine images on Dolphin 3D imaging software version 11.8 premium (Dolphin Imaging, Chatsworth, CA, USA). P values<0.05 were considered to indicate statistical significance.
RESULTS
CB was detected in 37.7% of the sample; 20.7% of the sample showed single unilateral CB and 16.6% had single bilateral CB. NSD was seen in 74.5% of the sample. In the participants with CB, 45.5% showed mild deviation, 34.4% showed moderate deviation, and only 12.5% showed severe septal deviation. CB, but not NSD, was associated with significantly higher MSV on the affected side (P=0.001).
CONCLUSION
Although NSD was observed in more than two-thirds of the sample and CB was present in more than one-third of the sample, only CB had a significant impact on MSV.

Keyword

Turbinate; Nasal Septum; Maxillary Sinus; Cone-Beam Computed Tomography

MeSH Terms

Cone-Beam Computed Tomography*
Dolphins
Maxillary Sinus*
Nasal Septum
Prevalence
Turbinates

Figure

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  Fig. 1 Measurement of the angle of septal deviation (the angle between the crista galli and the most prominent point of deviation).

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  Fig. 2 Measurement of maxillary sinus height (from the lowest point of the sinus floor to the highest point of the sinus roof) and width (from the longest perpendicular distance from the medial wall of the sinus to the outermost point of the lateral wall of the maxillary sinus).

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  Fig. 3 Measurement of the anteroposterior dimension of the maxillary sinus from the most anterior point to the most posterior point.

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  Fig. 4 Reconstructed 3-dimensional image of the maxillary sinuses for volume measurements.

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  Fig. 5 Bilateral concha bullosa from a coronal slice of cone-beam computed tomography.

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