Trauma- Extrusion Flashcards

0
Q

Which tissues are affected in extruded teeth?

A
Alveolar bone intact
Severed NVB
Root face is exposed 
PDL separated
Gingival cuff
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1
Q

What are the signs and symptoms of extrusion?

A
Displacement +
Mobility +++
Tooth protruded/retruded
TTP+
Vitality -(most commonly)
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2
Q

What radiographs are taken in extruded teeth and when would follow up?

A
PA: PDL shows space is increased 
2 weeks
4 weeks
6-8weeks
6 month
1 yr
Yearly for five yrs
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3
Q

what treatment is required for extruded teeth?

A
  1. LA
  2. Clean area
  3. Reposition tooth with finger pressure
  4. Place resin connect or wire splint for 2/52
  5. Suture lacerations
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4
Q

What is the prognosis for extruded teeth with San open apex and closed apex?

A

Open apex 95%

Closed apex 45%

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5
Q

What are the symptoms of lateral luxations?

A
  1. Tooth is displaced palatally or lingually NOT axially

2. None mobile since apex is into bone and ankylosis sound when tapped

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6
Q

Which tissues are affected in lateral luxation?

A
  1. Communition of bone but if both sides of bone fractured then alveolar bone fracture
  2. Severed NVB
  3. PDL compressed
  4. Possible damage to permanent tooth
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7
Q

When would you take radiographs?

A
2 weeks 
4 weeks
6-8weeks
6 month
1 yr
Yearly for 5 years
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8
Q

How do you treat lateral luxations?

A
  1. La
  2. Clean and reposition with finger
  3. Place flexible splint for 4/52 or longer if bone fractured
  4. RCT is indicated if tooth is discoloured and -ve vitality for 3/12 and signs of apical path
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9
Q

What is the likely hood of survival following laterals luxations?

A

Open apex: 95%

Closed apex: 25%

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