The ostia of the maxillary sinus often clog because the ostia are located near the top of the maxillary sinus, thus making proper drainage difficult.

Sinusitis occurs as a result of obstruction of the osteomeatal unit, which is located in the vicinity of the maxillary sinus ostium (Fig. 1). Because of obstruction, mucus accumulates inside the ...

Nine patients were lost to follow-up, but among the remaining study population, most patients had more-than-4 mm–enlarged maxillary ostium and sphenoid sinus.

The variant of a bilateral accessory maxillary ostium may have provided an additional way for mucus to drain in the maxillary sinus, allowing the implant to move into the ethmoidal sinus without ...

The company's Vent-Os Sinus Dilation System keeps the largest nasal cavity, called the maxillary sinus ostia, open and free of obstruction for 6 months, according to new results from a clinical ...

Once progression ends, the deformity is usually stable. The recommended treatment is endoscopic maxillary antrostomy with uncinectomy to relieve the obstruction of the maxillary ostium.

First, dilation of the maxillary sinus ostium can be achieved by a transnasal (through the nose) or canine fossa approach. If you lifted your lip and looked at the area of the canine tooth (fang) you ...

First, dilation of the maxillary sinus ostium can be achieved through a transnasal (through the nose) or canine fossa approach. If you lifted your lip and looked at the area of the canine tooth (fang) ...

The FDA cleared the Vent-Os Sinus Dilation System for dilation of the maxillary sinus ostia and associated spaces in adults for diagnostic and therapeutic procedures.

Thickening involves most of maxillary sinuses (M), but is more prominent on right. The maxillary sinus ostium is completely obstructed by grey area representing swollen tissue.