A Study on the Association between Skeletal Malocclusion, Upper Airway Cross-Sectional Area, and Upper Airway Volume Using CBCT Scans

Yazan Mohamad Mahmoud; A.B. Rani Samsudin; Saad Al-Bayatti; Snigdha Pattanaik; Kamis Gaballah; Serene Badran; Nisha Manila; Vinayak Kamath; Asok Mathew; Shishir Ram Shetty

doi:10.1055/s-0045-1804927

European Journal of General Dentistry, Table of Contents

CC BY 4.0 · European Journal of General Dentistry
DOI: 10.1055/s-0045-1804927

Original Article

A Study on the Association between Skeletal Malocclusion, Upper Airway Cross-Sectional Area, and Upper Airway Volume Using CBCT Scans

Yazan Mohamad Mahmoud

¹Department of Oral and Craniofacial Health Sciences, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates

,

A.B. Rani Samsudin

¹Department of Oral and Craniofacial Health Sciences, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates

,

Saad Al-Bayatti

¹Department of Oral and Craniofacial Health Sciences, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates

,

Snigdha Pattanaik

²Department of Orthodontics, Pediatric and Community Dentistry, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates

,

Kamis Gaballah

¹Department of Oral and Craniofacial Health Sciences, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates

,

Serene Badran

²Department of Orthodontics, Pediatric and Community Dentistry, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates

³Department of Pediatric Dentistry, Orthodontics and Preventive Dentistry, The University of Jordan, Jordan

,

Nisha Manila

⁴College of Dental Medicine, California Northstate University, Sacramento, California, United States

,

Vinayak Kamath

⁵Department of Public Health Dentistry, Goa Dental College and Hospital, Goa, India

,

Asok Mathew

⁶Department of Clinical Science, Center for Medical and Bioallied Health Sciences Research, Ajman University, Ajman, United Arab Emirates

,

Shishir Ram Shetty

¹Department of Oral and Craniofacial Health Sciences, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates

› Author Affiliations

Abstract

Objective The main aim of this study was to analyze the volume and area of the pharyngeal airway among different sagittal skeletal relationships. The secondary aim was to study the association between the upper airway volume and upper airway cross-sections among the three sagittal skeletal relationships.

Materials and Methods A retrospective study of 90 cone beam computed tomography (CBCT) scans of patients reporting for dental treatment to University Dental Hospital, Sharjah was conducted. Among the 90 CBCT scans, 30 scans were of patients with class I skeletal pattern, 30 with class II skeletal pattern, and 30 with class III skeletal pattern. The extract airway module of Romexis software 6.2.1 was used for segmentation of the upper airway. The maximum cross-sectional area (MACA), minimum cross-sectional area (MICA), cross-sectional area at the level of the hard palate cross-sectional area (PCA), and cross-sectional area at the level of the epiglottis cross-sectional area (ECA) of the airway way and volume (Vol) were obtained.

Results There was a significant difference in the cross-sectional airway variables (MACA, MICA, ECA) and volume among patients with class I, II, and III skeletal malocclusion (p < 0.001). The PCA did not show any significant difference among the three study groups (p = 0.13).

Conclusion Patients with skeletal class II malocclusion had the lowest cross-sectional airway variables and volume values among all the study groups. The MICA of the airway was a reliable predictor for airway volume.

Keywords

pharynx - malocclusion - orthodontics - cone beam computed tomography - diagnostic Imaging

Full Text

References

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