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Frequency of a dental source for acute maxillary sinusitis
Steven R Bomeli1, Barton F Branstetter, Berrylin J Ferguson
1Department of Otolaryngology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
The Laryngoscope
|January 23, 2009
Summary
Odontogenic infections frequently cause acute maxillary sinusitis, particularly when radiographic signs are severe. Identifying dental sources like oroantral fistulas is key, especially in advanced cases.
Area of Science:
- Radiology
- Otolaryngology
- Dentistry
Background:
- Acute maxillary sinusitis is a common condition.
- Odontogenic infections are suspected causes but require further investigation.
- Radiographic assessment is crucial for diagnosis.
Purpose of the Study:
- To identify radiographic features of odontogenic acute maxillary sinusitis.
- To determine the frequency of dental infections causing maxillary sinus fluid.
Main Methods:
- Retrospective review of 101 sinus computed tomography (CT) scans.
- Grading of maxillary sinuses for fluid extent, mucosal thickening, and dental pathology.
- Univariate and multivariate logistic regression analyses to identify predictive features.
Main Results:
- 61% of maxillary sinuses showed fluid; 124 out of 202 analyzed.
- Oroantral fistula and combined periodontal disease with projecting tooth root or periapical abscess were significant predictors.
- Dental sources were identified in 17% of sinuses with <1/3 fluid, 53% with 1/3-2/3 fluid, and 79% with >2/3 fluid.
Conclusions:
- Odontogenic infections are a common source of acute maxillary sinusitis.
- The likelihood of a dental source increases with the severity of radiographic findings (fluid extent and mucosal thickening).
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