Floor Of Maxillary Sinus Radiograph

The floor is formed by the alveolar process and if the sinus is of an average size is on a level with the floor of the nose.

Floor of maxillary sinus radiograph. Sign 1 projection of the root apex in the sinus cavity. Unilateral and isolated maxillary sinus opacification should raise the possibility of an odontogenic cause. A mucous retention phenomenon is rarely fig. Sagittal ct imaging showing the right maxillary sinus obstruction and periapical radiolucent lesions on the buccal roots of the right maxillary first molar perforating the floor of the sinus b.

Unilocular lesion in the left maxilla subjacent to the canine tooth cropped panoramic occlusal and specimen radiographs. Radiographs demonstrating a left orbit floor fracture and associated opacification of the maxillary sinus hemosinus. Sign 4 darkening of. Benign neoplasm adenomatoid odontogenic tumor.

The maxillary sinus ms is the largest pyramid shaped bilateral air sinus located in the body of the maxilla. Note displacement of maxillary sinus floor arrow. Sign 3 absence of the periodontal ligament pdl space. Sign 2 interruption of the maxillary sinus floor s cortex.

Knowledge of the maxillary sinus falls within the sphere of the dentist. Radiographic signs of protrusion of the root into the maxillary sinus were modified from the radiographic signs as per lopes et al. The dimensions of the ms can also be different among the gender and ethnic groups. It varies in size shape and position not only in different individuals but also in different sides of the same individual.

It is pyramidal in shape and exhibits anatomical variability in adults 1 2 pneumatization is the most common variation occurring during the growth period when the sinus floor extends downwards following teeth eruption resulting in extension of the antral surface and increase of sinus volume. The sinus floor is not displaced or eroded. The clinical exam confirmed a necrotic maxillary right first molar. If the sinus is large it reaches below this level.

In dental radiographs of the maxillary posterior teeth portions of the image of the maxillary sinus often appear. The maxillary sinus is one of the largest paranasal sinuses located in the body of the maxilla. Periapical radiograph of the posterior right maxilla c. The most common finding that supports but does not establish a diagnosis of odontogenic sinusitis is mucosal thickening in the inferior maxillary sinus 2 mm is abnormal 10 mm is marked severe.

The anatomical variability could be explained by its relation to the. The aim of this study was to identify and measure postextraction maxillary sinus pneumatization using fixed reference lines on panoramic radiographs. Also the dentist is often consulted with the problem of differential diagnoses of apparent odontalgia and disturbances in the maxillary sinus. Citation needed projecting into the floor of the antrum are several conical processes corresponding to the roots of the first and second maxillary molar teeth.