Max fax Flashcards

1
Q

What is an autogenous bone graft?

A

GOLD STANDARD graft
Could be harvested from local site e.g. chin or outer cortex of body of the mandible

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2
Q

E/O and I/O signs of a mandible #?

A

E/O
Facial asymmetry
Limited mandifbular movement
Tenderness TMJ
Deviation of mandible
Lacerations
Haematoma
2-point vertical mobility of the mandible
Contralateral numbness to the side of the impact
Ipsilateral numbness if the impact was distant tot eh extra-osseous mental nerve

I/O
Lacerations
Occlusal derangement
Loose or broken teeth
AOB
- Sublingual haematoma - really difficult to injure the FOM
Paraesthesia or numbness of lwoer teeth

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3
Q

signs of zygomatic #

A
  • Subconjnctival haemorrhage
    • Circum-orbital ecchymosis
    • Flatness of the face
    • Limitation of mouth opening - impinging on coronoid process
    • Persistent numbness
    • Diplopia
      Limited eye movement
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4
Q

Classification of mandibular # - involvement of surrounding tissue

A
  1. Simple - fracture in the bone but surrounding soft tissue intact
    1. Compound - if fracture in bone and any laceration in surrounding tissue - directly exposed. Any fracture that involves the teeth is compound because the PDL is involved.
  2. Comminuted - when bone broken into multiple small pieces
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5
Q

Classification of mandibular # no. of #

A

single
double
multiple

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6
Q

Classification of mandibular # site

A
  1. Angle
    1. Sub-condylar
    2. Para-symphysial
    3. Body
    4. Ramus
    5. Coronoid
    6. Condylar fracture (intra
      Alveolar process
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7
Q

Direction of the # line mandibular # - relates to the displacement

A

Favourable - if direction of # line minimises displacement
Unfavouorable - if direction of # line encourages displacement

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8
Q

what radiographs for mandibule #

A

2 radiographs at right angles to eo - (OPT/ CBCT + PA mandible)

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9
Q

Tx for a mandible #

A

Compound fractures require Ab

Reduction
- closed (do not open soft tissues)
- open reduction (surgery + internal fixation)

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