Maxillofacial Trauma

Question 1

Tripod Fractures consist of fractures through 4

Answer 1

• Consist of fractures through
  
  • Zygomatic arch
  • Zygomaticofrontal suture
  • Infraorbital rim
  • Floor of orbit

Question 2

Tripod fractures clinical features

Answer 2

• Periorbital edema and ecchymosis
• Hyperesthesia or paraesthesia of infraorbital nerve

Question 3

Tripod fracture xrays to take 4

Answer 3

• Waters
• Caldwell
• Submental vertex
• Coronal CT of facial bones

Question 4

Le Fort I Definition and clinical features and xray features

Answer 4

• Horizontal fracture of maxilla at level of nasal fossa
• Allows motion of maxilla while nasal bridge is stable
• CLinical
  
  • Facial edema
  • Malocclusion
• Xrays
  
  • Fracture line involves
    
    • Nasal aperture
    • Inferior maxilla
    • Lateral of maxilla

Question 5

Le Fort II Definition

Clinical 5

Xrays 4

Answer 5

• Pyramidal fracture of maxilla, nasal bones, medial aspects of orbit
• Clinical
  
  • Movement of max and nose
  • Marked facial edema
  • Nasal flattening
  • Traumatic telecanthus
  • Epistaxis or CSF rhinorrhea
• Xrays
  
  • Fracture involves nasal bones, medial orbit, max sinus, frontal process of max

Question 6

Le Fort III def

Clinical

Xrays

Answer 6

• Fractures through maxilla, zygomatic, nasal bones, ethmoid, base of skull
• Clinical
  
  • Dish faced deformity
  • Severe airway obstruction
  • Epistaxis or CSF rhinorrhea
  • Mobility of max, nasal, zygomatic
• Xrays
  
  • Fractures through zygomaticofrontal sutures, zygomatic, orbital walls, nasal