Podcast
Questions and Answers
In Le Fort I fracture, the fracture occurs at the level of which structure?
In Le Fort I fracture, the fracture occurs at the level of which structure?
- Piriform aperture (correct)
- Optic foramen
- Frontonasal suture
- Nasofrontal suture
Le Fort II fracture involves which structure in the region of the zygomaticomaxillary suture?
Le Fort II fracture involves which structure in the region of the zygomaticomaxillary suture?
- Nasofrontal suture
- Lacrimal bone (correct)
- Pterygoid plates
- Frontomaxillary suture
Which line separates the zygomatic bone from the frontal bone in Le Fort III fracture?
Which line separates the zygomatic bone from the frontal bone in Le Fort III fracture?
- Fronto-zygomatic suture (correct)
- Frontonasal suture
- Nasofrontal suture
- Frontomaxillary suture
What is another name for Le Fort III fracture?
What is another name for Le Fort III fracture?
Where does Le Fort III fracture pass posteriorly to fracture the pterygoid plates?
Where does Le Fort III fracture pass posteriorly to fracture the pterygoid plates?
Which structure does Le Fort II fracture involve?
Which structure does Le Fort II fracture involve?
In Le Fort III fracture, where does the fracture start?
In Le Fort III fracture, where does the fracture start?
What is another name for Le Fort I fracture?
What is another name for Le Fort I fracture?
What does the fracture line in Le Fort III fracture divide into?
What does the fracture line in Le Fort III fracture divide into?
Where does Le Fort I fracture occur?
Where does Le Fort I fracture occur?
Study Notes
Le Fort Fractures
- In a Le Fort I fracture, the fracture occurs at the level of the maxillary sinus.
- A Le Fort II fracture involves the infraorbital rim and the lacrimal bone in the region of the zygomaticomaxillary suture.
- In a Le Fort III fracture, the frontozygomatic suture line separates the zygomatic bone from the frontal bone.
- Le Fort III fracture is also known as craniofacial disjunction.
- The Le Fort III fracture passes posteriorly to fracture the pterygoid plates at the greater wing of the sphenoid bone.
- Le Fort II fracture involves the entire orbital floor, including the lacrimal bone, and the nasal cavity.
- In a Le Fort III fracture, the fracture starts at the frontozygomatic suture.
- Le Fort I fracture is also known as a guerin fracture.
- The fracture line in Le Fort III fracture divides into two parts: a medial and a lateral part.
- A Le Fort I fracture occurs at the level of the maxillary sinus, separating it from the pterygoid plates.
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Description
Test your knowledge of Le Fort classification, including the characteristics and causes of Le Fort I and II fractures.
