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Floor of antrum.
Break in the continuity of the floor characteristic features of acute or chronic sinusitis in the antrum.
The roof is the orbital floor.
The flap is raised unilaterally using a 0 degree nasal endoscope.
The roof is formed by floor of the orbit.
Summary of the importance of the maxillary antrum to dental surgery.
Antrum of highmore maxillary sinus.
In some cases the floor can be perforated by the apices of the teeth.
It is obliquely crossed in its lateral one third by the infraorbital canal containing the infraorbital nerve.
The posterior wall forms the anterior border of the pterygopalatine fossa.
Use a needle tip monopolar.
Local flaps step 1.
The antral roof and thus the orbital floor is the thinnest wall of the orbit and the most vulnerable to trauma.
Mastoid antrum an air space in the mastoid portion of the temporal bone communicating with the middle ear and the mastoid cells.
A cavity or chamber.
Raise the flap using blunt dissecting instruments such as a cottle elevator over a wide area.
As a result dental symptoms and antral symptoms can mimic each other.
The floor is formed by the alveolar process of the maxilla.
It is traversed by infraorbital nerves and vessels.
A floor related to the apices of the upper posterior teeth.
Projecting into the floor of the antrum are several conical processes corresponding to the roots of the first and second maxillary molar teeth.
An tra antrums l.
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 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.
Fractures of the maxillo facial skeleton.
The upper aspect corresponds to the middle meatus.
Pyloric 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.
Antrum maxilla re maxillary antrum maxillary sinus.
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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 aspect of the roof is the floor of one or more ethmoid cells.
