Basic ResearchAssociation between Odontogenic Conditions and Maxillary Sinus Disease: A Study Using Cone-beam Computed Tomography
Section snippets
Study Sample
This retrospective study was performed with approval by the local research ethics committee of the health sciences center (protocol number 273.599).
From a pool of 2000 CBCT scans of the maxilla and paranasal sinuses obtained between January 2010 and January 2011 in a radiology clinic in Pernambuco, Brazil, 400 images were randomly selected according to the following inclusion criteria: examinations of patients with sinus disease in at least 1 of the maxillary sinuses and good quality images for
Results
Of the 400 CBCT scans evaluated, 218 (54.5%) were females and 182 (45.5%) males; age ranged between 13 and 82 years old (mean = 47.09 ± 14.28). Sinus alterations were observed bilaterally in 258 (64.5%) patients and unilaterally in 142 (35.5%) (P < .001). Thus, of the 766 maxillary sinuses in the study, 658 (85.9%) showed abnormalities.
Table 1 shows the values regarding the distribution of maxillary sinus diseases. The generalized MT was the most prevalent condition (65.2%), occurring mostly
Discussion
CBCT imaging provides high-resolution images and allows simultaneous and accurate assessment of maxillary sinuses 21, 22, teeth, and adjacent tissues in all planes, including the relationships between these structures 5, 23. Therefore, we chose CBCT imaging to conduct this research because of its wide use in various fields of dentistry and its high accuracy and sensitivity compared with 2-dimensional radiographs for the diagnosis of sinus changes (24), assessment of the quality of endodontic
Conclusion
In conclusion, the most prevalent sinus diseases were generalized and localized MT, respectively, and both were found to be related to odontogenic alterations. Generalized MT was more frequently associated with periodontal bone loss and localized MT with periapical lesions. We emphasize that CBCT imaging is an appropriate method for evaluating maxillary sinus findings and their associated dental conditions.
Acknowledgments
The authors would like to thank the National Council for Scientific and Technological Development (CNPq). The authors would like also to thank Glaucia Maria Bovi Ambrosano, PhD, for assisting in this article by providing statistical analysis support and Dr Marco Antônio Gomes Frazão for making the images available to us.
The authors deny any conflicts of interest related to this study.
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