Floor Of 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.

Floor of antrum.

A floor related to the apices of the upper posterior teeth. As a result dental symptoms and antral symptoms can mimic each other. It is obliquely crossed in its lateral one third by the infraorbital canal containing the infraorbital nerve. On the nasal aspect the lower section of the medial wall corresponds to the lower meatus and floor of the nasal fossa.

Antrum of highmore maxillary sinus. Use a needle tip monopolar. 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. The film is about a young boy and girl that enter a forest and dig a hole to hell. Antrum maxilla re maxillary antrum maxillary sinus. Raise the flap using blunt dissecting instruments such as a cottle elevator over a wide area.

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. Local flaps step 1. As one programmer observed of antrum you don t watch the film the film watches you. A cavity or chamber.

The posterior wall forms the anterior border of the pterygopalatine fossa. An trum pl. The flap is raised unilaterally using a 0 degree nasal endoscope. The floor is formed by the alveolar process of the maxilla.

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. An tra antrums l. In some cases the floor can be perforated by the apices of the teeth. The upper aspect corresponds to the middle meatus.

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. Fractures of the maxillo facial skeleton. The roof is formed by floor of the orbit.

Once the flap. The medial aspect of the roof is the floor of one or more ethmoid cells. The roots of the upper premolars and molars and the floor of the maxillary antrum are closely related and share a common innervation.