Floor Of Antrum

It is obliquely crossed in its lateral one third by the infraorbital canal containing the infraorbital nerve.

Floor of antrum.

The roof is the orbital floor. On the nasal aspect the lower section of the medial wall corresponds to the lower meatus and floor of the nasal fossa. The flap is raised unilaterally using a 0 degree nasal endoscope. The film is about a young boy and girl that enter a forest and dig a hole to hell.

The medial aspect of the roof is the floor of one or more ethmoid cells. Antrum maxilla re maxillary antrum maxillary sinus. Mastoid antrum an air space in the mastoid portion of the temporal bone communicating with the middle ear and the mastoid cells. It is traversed by infraorbital nerves and vessels.

The roof is formed by floor of the orbit. A cavity or chamber. An trum pl. Local flaps step 1.

The posterior wall forms the anterior border of the pterygopalatine fossa. Raise the flap using blunt dissecting instruments such as a cottle elevator over a wide area. Break in the continuity of the floor characteristic features of acute or chronic sinusitis in the antrum. Break in the continuity of one or more of the antral walls depending on the type of fracture opacity or fluid level within the antral cavity.

The medial wall of the antrum coincides with the lateral wall of the nasal cavity and is the most complex of the various walls of the sinus see figure 38 6. Antrum of highmore maxillary sinus. As one programmer observed of antrum you don t watch the film the film watches you. Use a needle tip monopolar.

Fractures of the maxillo facial skeleton. Summary of the importance of the maxillary antrum to dental surgery. The antral roof and thus the orbital floor is the thinnest wall of the orbit and the most vulnerable to trauma. As a result dental symptoms and antral symptoms can mimic each other.

The upper aspect corresponds to the middle meatus. Once the flap. A floor related to the apices of the upper posterior teeth. Pyloric antrum.

The roots of the upper premolars and molars and the floor of the maxillary antrum are closely related and share a common innervation. Projecting into the floor of the antrum are several conical processes corresponding to the roots of the first and second maxillary molar teeth. In some cases the floor can be perforated by the apices of the teeth.