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Year : 2019  |  Volume : 9  |  Issue : 2  |  Page : 194-204

Evaluation of odontogenic maxillary sinusitis with cone beam computed tomography: A retrospective study with review of literature

1 Department of Oral Medicine and Radiology, Kalinga Institute of Dental Sciences, KIIT University, Bhubaneswar, Odisha, India
2 Consultant Prosthodontist, KIIT University, Bhubaneswar, Odisha, India

Correspondence Address:
Dr. Atul Anand Bajoria
Department of Oral Medicine and Radiology, Kalinga Institute of Dental Sciences, KIIT University, Patia, Bhubaneswar - 751 024, Odisha
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jispcd.JISPCD_435_18

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Aim and Objectives: The purpose of this study was to describe the radiographic characteristics of odontogenic maxillary sinusitis as seen on cone beam computed tomography (CBCT) scans and determine whether any tooth or any tooth root, was more frequently associated with this disease. Materials and Methods: The present study included 500 CBCT images that included the entire maxillary sinus of both the sides in all the three planes. The modified classification of Abrahams and Glassberg was used to assess maxillary sinusitis of odontogenic origin. Furthermore, the proximity of the tooth root to the sinus floor, periapical pathology, and the septae within the maxillary sinus were also assessed. Results: In the present study, 1000 hemimaxillas were analyzed. Majority of the cases (74.9%) the apex of either tooth was touching the floor of the sinus. While 16.9% were in close relationship to the sinus while 8.2% of the cases, the apices were present within the sinus. Furthermore, in the present study, 38 of the total cases had an odontogenic cause of maxillary sinusitis, whereas 273 of them had a nonodontogenic cause, 96 have an undetermined cause, and the rest 593 cases had healthy sinus. Conclusion: The incidence of odontogenic sinusitis is likely under-reported in the available literature. The introduction of low-dose CBCT is particularly useful to establish a definitive diagnosis to augment in the treatment of chronic maxillary sinusitis of odontogenic origin.

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