Radiographic assessment of findings in the maxillary sinus using cone-beam computed tomography

Ilze Dobele, Ligija Kise, Peteris Apse, Gints Kragis, Andris Bigestans

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)
3 Downloads (Pure)


OBJECTIVES. To assess the presence of anatomic variations and pathology of the maxillary sinus using cone beam computed tomography (CBCT) of the maxilla where pre- implant surgery is planned. MATERIAL AND METHODS. This retrospective study evaluates a sample CBCT scans of 34 dental patients (68 sinuses). CBCT is used to assess maxillary sinus mucosa and outflow and prevalence of septa. The mucosal thickening was measured and the sinus outflow was classified as open or obstructed. RESULTS. Mucosal thickening was found in 48.5%, septa in 20.6% and total opacity in 2.9% of the sinuses. Maxillary sinus outflow was blocked in 26.5% of the scans. Strong association between radiological signs of maxillary sinus ostium blockage and thickened mucosa was observed. CONCLUSIONS. Anatomic variations and lesions of the maxillary sinus were common findings in CBCT examinations of the maxilla required for dental preprosthetic planning. Routine CBCT scans, including maxillary sinus ostium are recommended for risk assessment prior to surgery.

Original languageEnglish
Pages (from-to)119-122
Number of pages4
JournalStomatologija. Baltic Dental and Maxillofacial Journal
Issue number4
Publication statusPublished - 2013


  • cone beam computed tomography
  • maxillary sinus
  • mucosal thickening
  • dental implants
  • sinus fl oor elevation.

Field of Science*

  • 3.2 Clinical medicine

Publication Type*

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database


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