Question 103 · LDEK · Trauma
Le Fort classification is used for describing the facial fractures. Choose correct sentences describing the type III fracture:
1) it is the most serious fracture in this classification;
2) it concerns total separation of facial skull, otherwise known as craniofacial dissociation;
3) it concerns fracture of zygomatic bone, orbital margin, and maxilla;
4) it describes a fracture in the shape of a pyramid, with its peak just above the nasal bridge, spreading inferolaterally through the suborbital margin;
5) it is a transverse fracture, just above the dental row, on the level of nasal cavity.
The correct answer is:
2) it concerns total separation of facial skull, otherwise known as craniofacial dissociation;
3) it concerns fracture of zygomatic bone, orbital margin, and maxilla;
4) it describes a fracture in the shape of a pyramid, with its peak just above the nasal bridge, spreading inferolaterally through the suborbital margin;
5) it is a transverse fracture, just above the dental row, on the level of nasal cavity.
The correct answer is:
- A. 1,3,5.
- B. 1,2,4.
- C. 3,4,5.
- D. 1,2,3.
- E. 2,4,5.
Hint
Recall the three Le Fort levels: low horizontal, pyramidal, and complete separation of the face from the skull base.
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