Abstract
Purpose: Maxillary sinus’s inferior pneumatization is a physiological process, which increase with time and accelerates following extraction. The aim of this study was to determine the prevalence of nasal septal deviation (NSD), concha bullosa (CB), and Haller’s cells (HC) and to examine the correlation of maxillary sinus inferior pneumatization (MSIP) with these anatomical variations. Material and Methods : 300 (150 m, 150 f) CBCT scans taken at the Marmara University School of Dentistry from 2011 to 2014 were retrospectively reviewed for the presence of CB, NSD, HC and MSIP. The correlation between pneumatization to the anatomic variants was then compared. Data were analyzed with a Chi-square test. Results : Of the 300 CBCT scans, 44.3% have CB, 37.3% NSD, 19.3% HC and 27.7% MSIP. There was no statistical significancewhen comparing the relationship of patients with CB, NSD, HC and pneumatization. Conclusion : NSD, CB and HC do not have a definite role on sinus’s inferior pneumatization. Further studies should be conducted including potential factors related pneumatization with more sample size for further correlation with NSD, CB,HC.
Highlights
Themaxillary sinus enlarges variably and greatly until it reaches the adult size by the eruption of permanent teeth
The purpose of this study is to determine the presence of concha bullosa (CB), nasal septal deviation (NSD) and Hallers cells (HC) on occurrence of maxillary sinus inferior pneumatization (MSIP) measured on CBCT scan
The subjects for this retrospective study consisted of all 300 patients who visited the Marmara University Faculty of Dentistry, and underwent a single CBCT examination picked up from the picture archiving and communications system (PACS) from 2011 to 2014
Summary
Themaxillary sinus enlarges variably and greatly until it reaches the adult size by the eruption of permanent teeth. Its growth slows down with the decline of the facial growth during puberty but continues throughout life. This physiological process is called maxillary sinus pneumatization [1]. Extension of maxillary sinus into the alveolar process, is a common encountered situation which is clinically important considering tooth extraction or insertion of dental implants in to the region. Some studies describe resumption of maxillary sinuss inferior pneumatization following tooth extraction increase over time [5]. Other studies have produced contradictory findings, which present alveolar extension of maxillary sinus between teeth with displacement of their roots [3]
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