Trauma- Intrusion Flashcards

0
Q

What are the tissues affected in intrusion?

A
Communition or fracture of bone 
Contusion bone 
Pdl and cementum
NVB affected 
Laceration of PDL
Gingival cuff fibres
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1
Q

What are the signs of intrusion ?

A
  1. Tooth displaced axially into bone
  2. Ankylosis sound when tapped
  3. Non mobile
  4. Negative vitality
    Possible bone fracture
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2
Q

Why do you need to take a radiographs with intruded teeth?

A

Check not in nasal cavity

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3
Q

How do you treat intrusions?

A

Open apex allow for spontaneous reposition nut if no movement after 3/52 then reposition with ortho

Closes apex: complete RCT within 2/52 post trauma with leadermix with CaOH dressing

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4
Q

What is the chance of tooth survival in intruded teeth?

A

Open apex: 40%

Close apex: 0%

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