Floor Of Antrum

The roof is formed by floor of the orbit.

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. The flap is raised unilaterally using a 0 degree nasal endoscope. The medial aspect of the roof is the floor of one or more ethmoid cells. Antrum maxilla re maxillary antrum maxillary sinus.

The roof is the orbital floor. Raise the flap using blunt dissecting instruments such as a cottle elevator over a wide area. The floor is formed by the alveolar process of the maxilla. As a result dental symptoms and antral symptoms can mimic each other.

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. The film is about a young boy and girl that enter a forest and dig a hole to hell. Pyloric antrum. In some cases the floor can be perforated by the apices of the teeth.

A floor related to the apices of the upper posterior teeth. It is traversed by infraorbital nerves and vessels. An tra antrums l. Break in the continuity of the floor characteristic features of acute or chronic sinusitis in the antrum.

A cavity or chamber. An trum pl. Mastoid antrum an air space in the mastoid portion of the temporal bone communicating with the middle ear and the mastoid cells. On the nasal aspect the lower section of the medial wall corresponds to the lower meatus and floor of the nasal fossa.

Local flaps step 1. The roots of the upper premolars and molars and the floor of the maxillary antrum are closely related and share a common innervation. 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. The antral roof and thus the orbital floor is the thinnest wall of the orbit and the most vulnerable to trauma.

Antrum of highmore maxillary sinus. It is obliquely crossed in its lateral one third by the infraorbital canal containing the infraorbital nerve. Once the flap. As one programmer observed of antrum you don t watch the film the film watches you.

The upper aspect corresponds to the middle meatus. Use a needle tip monopolar. Summary of the importance of the maxillary antrum to dental surgery.