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Odontogenic maxillary sinusitis

Odontogenic maxillary sinusitis

The maxillary sinus is the most voluminous cavity, that forms since the prenatal state, in the womb. Its many functions such as filtration, heating, modifying the air we breath etc. talk about its importance.

The sinus, through the position it has, has an anatomical relationship with the lateral teeth of the upper arch, specifically with their apexes, causing many sinus pathologies to be related to the teeth with dental problems which have these sinus connections.

The maxillary sinusitis of odontogenic cause (dental) is the most common sinus condition, having the following determining factors:

  • Parodontopathies with periodontal pockets at sinus teeth level;
  • Radicular cysts;
  • Apical periodontitis;
  • Osteitis;
  • Complications with wisdom teeth or non-erupted canines on the arch (included);
  • Failures of endodontic treatments;
  • Implant failures
  • Accidents of extraction


  • Fever 39°C – 40°C;
  • Pain and feeling of pressure in the pacient’s face;
  • Nasal obstruction;
  • Runny nose, purulence;
  • Halitosis;
  • Dental pain, localized at sinus teeth level;
  • Fatigue



First remove the determining factors and follow up with the establishing a treatment depending on the diagnosis. Treatment of dental injuries and accident avoidance for extraction or insertion of implants.

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