Maxillary sinus pathology

Question 0

What are the important anatomical structures aroudn the sinus?

Answer 0

Infraorbital nerves and vessels
Facial arteries and veins
Maxillary artery and veins (close to posterior wall of the sinus)
Superior alveolar nerves and vessels
Nasolacrimal duct

Question 1

What are the walls of the maxillary sinus?

Answer 1

Anterior: Supporting the cheek
Posterior: Infratemporal fossa
Roof: Floor of orbit
Floor: Alveolus and teeth
Meatus: entry to the nose via middle turbinate

Question 2

Which teeth are the closest to the maxillary sinus?

Answer 2

The second premolar, first and second molars.

Question 3

How can the apices of teeth relate to the sinus?

Answer 3

1) Covered in bone
2) Just under the mucosa
3) Tent up the mucosa