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[The morphology and incidence of maxillary sinus septa]
H Lugmayr1, G Krennmair, H Holzer
1Institut für Radiologie, Krankenhaus St. Franziskus, Grieskirchen, Osterreich.
Aim:
The variations and frequency of bony septa in the paranasal sinuses were studied prospectively by means of computed tomography.
Patients And Methods:
The presence and morphology of the septa in the paranasal sinuses were studied in 100 consecutive non-selected adults.
Results:
CT examinations of 200 maxillary antra showed variations in 26 (13%). There were one complete septum (0.5%), 18 incomplete septa at the base of the antrum (9%) and 7 incomplete septa situated anteriorly (3.5%).
Conclusion:
Bony septa in the sinuses may be clinically relevant during sinus endoscopy or tooth implantation. Preoperative examination may reduce the complication rate of these procedures.