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CC BY-NC-ND 4.0 · Eur J Dent 2017; 11(01): 064-070
DOI: 10.4103/1305-7456.202630
Original Article
Dental Investigation Society

Correlation between frontal sinus dimensions and cephalometric indices: A cross-sectional study

Azita Tehranchi
1   Preventive Dentistry Research Center, Research Institute of Dental Sciences, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran
,
Saeed Reza Motamedian
2   Department of Orthodontics, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran
,
Sara Saedi
3   Dental Research Center, Research institute of Dental Sciences, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran
,
Sattar Kabiri
2   Department of Orthodontics, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran
,
Shireen Shidfar
4   Department of Periodontics, School of Dentistry, Shahed University, Tehran, Iran
› Author Affiliations
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Publication History

Publication Date:
25 September 2019 (online)

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ABSTRACT

Objective: Growth prediction plays a significant role in accurate diagnosis and treatment planning of orthodontics patients. It was hypothesized that the unique pattern of pneumatization of the frontal sinus as a component of craniofacial structure would influence the skeletal growth pattern and may be used as a growth predictor. Materials and Methods: A total of 144 subjects (78 females and 66 males) with a mean age of 19.26 ± 4.66 years were included in this retrospective study. Posterior-anterior and lateral cephalograms (LCs) were used to measure the frontal sinus dimensions. The skeletal growth pattern and relations of craniofacial structures were analyzed on LC using variables for sagittal and vertical analyses. Correlation between the frontal sinus dimensions and cephalometric indices was assessed by the Pearson's correlation coefficient. Results: The SN-FH and SNA angles had significant associations with frontal sinus dimensions in all enrolled subjects (P < 0.05). In males, the SN-FH, sum of posterior angles, Pal-SN, and Jarabak index were significantly associated with the size of frontal sinus (P < 0.05). In females, the associations of SN-FH and gonial angles with frontal sinus dimensions were significant (P < 0.05). Conclusion: The results show that larger size of frontal sinus was associated with reduced inclination of the anterior cranial base, increased anterior facial height (in males), and increased gonial angle (in females) in the study population.

Key words:

Analysis - anatomic variation - cephalometry - frontal sinus - radiography
 

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