Floor Of Antrum

Antrum maxilla re maxillary antrum maxillary sinus.

Floor of antrum.

Pyloric antrum. Local flaps step 1. The floor is formed by the alveolar process of the maxilla. The roots of the upper premolars and molars and the floor of the maxillary antrum are closely related and share a common innervation.

Summary of the importance of the maxillary antrum to dental surgery. As one programmer observed of antrum you don t watch the film the film watches you. A floor related to the apices of the upper posterior teeth. Fractures of the maxillo facial skeleton.

It is traversed by infraorbital nerves and vessels. Use a needle tip monopolar. An tra antrums l. The medial aspect of the roof is the floor of one or more ethmoid cells.

The roof is the orbital floor. The antral roof and thus the orbital floor is the thinnest wall of the orbit and the most vulnerable to trauma. Projecting into the floor of the antrum are several conical processes corresponding to the roots of the first and second maxillary molar teeth. A cavity or chamber.

The posterior wall forms the anterior border of the pterygopalatine fossa. Break in the continuity of the floor characteristic features of acute or chronic sinusitis in the antrum. It is obliquely crossed in its lateral one third by the infraorbital canal containing the infraorbital nerve. Normal appearance of the antra on conventional radiographs an antrum appears radiographically as a radiolucent cavity in the maxilla with well defined dense corticated radiopaque margins or walls.

Raise the flap using blunt dissecting instruments such as a cottle elevator over a wide area. The film is about a young boy and girl that enter a forest and dig a hole to hell. An trum pl. In some cases the floor can be perforated by the apices of the teeth.

The flap is raised unilaterally using a 0 degree nasal endoscope. Once the flap. Mastoid antrum an air space in the mastoid portion of the temporal bone communicating with the middle ear and the mastoid cells. The upper aspect corresponds to the middle meatus.

The roof is formed by floor of the orbit. Antrum of highmore maxillary sinus. On the nasal aspect the lower section of the medial wall corresponds to the lower meatus and floor of the nasal fossa.