COMPARISON OF CONE BEAM COMPUTED TOMOGRAPHY AND PANORAMIC RADIOGRAPHS IN DETECTING MAXILLARY SINUS SEPTA

Year 2016, Volume: 50 Issue: 3, 8 - 14, 03.10.2016

Şerife Değerli Meryem Toraman Alkurt , Ilkay Peker , Ali Rıza İlker Cebeci Elif Sadık

https://doi.org/10.17096/jiufd.84476

Abstract

Purpose: The purpose of this retrospective study was to compare the performance of cone-beam computed tomography (CBCT) and panoramic radiography in detecting the presence and location of maxillary sinus septa.

Materials and Methods: This study included radiographic examination of 104 maxillary sinuses of 52 individuals whose panoramic radiographs and CBCT images were obtained for several dental causes which were examined by the consensus of four dentomaxillofacial radiologists. The posterior maxillary segments in proximity of maxillary sinus were classified as edentulous and dentate maxillary segments. The location of maxillary sinus septa was classified as primary septa and secondary septa according to the presence of maxillary tooth at the affected site. The maxillary sinus septa were divided into three categories (anterior, middle and posterior) according to its relation with posterior maxillary teeth. Data were statistically analyzed with chi-square and Fisher’s exact tests.

Results: The septa were found in 23.1% and 29.8% of the maxillary sinuses on panoramic radiography and CBCT images, respectively. The majority of maxillary sinus septa were observed in dentate posterior maxillary segments on both panoramic (45.8%) radiography and CBCT (64.5%) images. Statistically significant differences (p<0.001) were found between panoramic radiography and CBCT images for presence, location and neighborhood with the posterior maxillary teeth of maxillary sinus septa.

Conclusion: The results of this study demonstrated the low reliability of panoramic radiography images in the detection of maxillary sinus septa. CBCT images can provide valuable information to the clinicians about the presence and location of maxillary sinus septa.

Keywords

Maxillary sinus septa, panoramic radiography; cone beam computed tomography

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