Abstract
To investigate the relationship between depth of maxillopalatal arch and deviation of posterior septum. This study is based on paranasal sinus CT (PNSCT) scan in the coronal plane evaluation, and sinus paranasal scans were obtained from the database. One-hundred and fifty PNSCT scans were randomly chosen among the PNSCT scans which belong to adult (18 and older) patients. All scans were divided to three different groups. The first group constituted by those patients who had more convex deviation. The second group had those patients with either crest or spur deviations. The last group (control group) had no septum deviation. The data collected from each group were statistically compared. CT imaging which has a chronic sinusitis, nasal cavity mass, and nasal polyps. angle and distance measures were taken on maxillopalatal arch and posterior nasal septum. Strongly positive correlation between posterior septum deviation and depth of maxillopalatal arch was determined (r=0.479, p=0.001). These findings suggest that posterior septum deviations are considered as a result of increase in maxillopalatal depth.
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