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Dental issues frequently cause maxillary sinus infections (odontogenic sinusitis), yet radiologists often overlook this link. Early diagnosis through imaging is crucial for effective treatment of this rising condition.

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Area of Science:

  • Otolaryngology
  • Dental Medicine
  • Radiology

Background:

  • The link between dental disease and maxillary sinus mucosal disease is recognized in otolaryngology and dental fields.
  • However, radiologists often fail to appreciate the odontogenic origins of sinusitis.
  • Dental review is essential for interpreting paranasal sinus imaging.

Purpose of the Study:

  • To compare the pathogenesis, clinical presentation, and imaging features of rhinogenic and odontogenic sinusitis.
  • To highlight the importance of recognizing odontogenic sinusitis, which is often misdiagnosed.
  • To discuss the impact of rhinosinusitis on healthcare.

Main Methods:

  • Literature review comparing rhinogenic and odontogenic sinusitis.
  • Discussion of clinical definitions and healthcare impact.
  • Analysis of common causes and imaging features.

Main Results:

  • Odontogenic sinusitis, caused by periapical lesions, oroantral communication, or alveolar augmentation, accounts for 25-40% of maxillary sinusitis cases.
  • The incidence of odontogenic sinusitis is increasing, with frequent extra-sinus extension and delayed diagnoses.
  • Imaging is critical for differentiating between rhinological and odontogenic sinusitis.

Conclusions:

  • Odontogenic sinusitis is an underappreciated cause of maxillary sinusitis, necessitating a thorough dental review in imaging interpretation.
  • Increased incidence and delayed diagnosis contribute to treatment failures.
  • Radiologists must integrate dental assessments for accurate sinusitis diagnosis.