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Year : 2021  |  Volume : 16  |  Issue : 4  |  Page : 817-820

Linear cephalometric analysis of pharynx at the level of epiglottis among snorers and nonsnorers: A cross-sectional study

1 Department of Orthodontics and Dentofacial Orthopaedics, Meghna Institute of Dental Sciences, Nizamabad, Telangana, India
2 Department of Oral and Maxillofacial Surgery, Rajas Dental College and Hospital, Tirunelveli, India
3 Department of Orthodontics and Dentofacial Orthopaedics, CSI College of Dental Sciences and Research, Madurai, Tamil Nadu, India
4 Consultant Orthodontist, Kuttichira, Kollam, Kerala, India
5 Department of Preventive Dental Sciences, Division of Periodontology, College of Dentistry, University of Ha'il, Ha'il, Kingdom of Saudi Arabia
6 Department of Oral Medicine and Radiology, Saraswati Dhanwantari Dental College and Hospital and Post-Graduate Research Institute, Parbhani, Maharashtra, India

Correspondence Address:
Dr. Abhishek Singh Nayyar
Department of Oral Medicine and Radiology, Saraswati Dhanwantari Dental College and Hospital and Post-graduate Research Institute, Parbhani, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ajns.ajns_315_21

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Background and Aim: Snoring, which falls within the spectrum of sleep-related breathing disorders, is considered to be one of the common symptoms of airway obstruction. Lateral cephalometric analysis is an effective way of diagnosing airway obstruction by evaluating skeletal and soft-tissue abnormalities in patients with sleep-disordered breathing. The present study was planned to analyze the pharyngeal space among snorers and nonsnorers in retroglossal region and in the region of the hypopharynx at the level of epiglottis. Materials and Methods: The present cross-sectional study included a total of 60 individuals who were grouped into snorers and nonsnorers based on their answers for the study questionnaire related to snoring. Digital lateral cephalograms were taken for all maintaining the exposure parameters, whereas Digora software was used for measurements related to the soft-tissue parameters. The two significant soft-tissue parameters analyzed were the distance of epiglottis from the tip of the soft palate, the retroglossal length and the distance of posterior pharynx from the tip of the epiglottis, the pharyngeal space. Statistical Analysis Used: The statistical analysis was done using the Statistical Package for the Social Sciences (SPSS) version 17.0 (SPSS Inc., Chicago, IL, USA), whereas paired t-test was used for inter-group analysis. P <0.05 was considered statistically significant. Results: The mean retroglossal length was found to be 25.52 mm among the snorers and 23.70 mm among the nonsnorers. In the case of pharyngeal space, a mean of 8.54 mm was recorded among the snorers, whereas among the nonsnorers, the respective mean value of 10.16 mm was observed. Conclusion: In the present study, pharyngeal space was found to be less at the level of the tip of epiglottis among the snorers compared to nonsnorers which can be attributed to be one of the significant reasons behind snoring and obstructive sleep apnea syndrome.

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