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Endodontics 2020 > Traumatic injuries Test #2 > Flashcards

Traumatic injuries Test #2 Flashcards

1
Q

With enamel fractures what percent will experience pulpal necrosis if you do nothing?

A

1-2%

-No pulpal treatment

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2
Q

What does an uncomplicated crown fracture involve?

A

-Enamel and dentin

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3
Q

What percent of uncomplicated crown fractures will experience pulpal necrosis if you do nothing?

A

1-7%

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4
Q

What is the treatment for uncomplicated crown fractures?

A
  • Expose dentin protection immediately (CaOH cement or other hard dental liner (VitraBond), then restore if less that 1/2 mm of dentin
  • Reattachment of separated tooth fragment
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5
Q

What does a complicated corwn fracture involve?

A
  • Enamel
  • Dentin
  • Pulp
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6
Q

What percent of complicated crown fracture experience necrosis if untreated?

A

-100%

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7
Q

What is the treatment of a complicated crown fracture?

A
  • Pulp capping with CaOH within the 1st 30 hrs
  • Partial pulpotomy
  • Full pulpotomy
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8
Q

T/F As time increases the depth of pulpal therapy increases

A

True

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9
Q

T/F Inflammation has no effect on the success for vital pulp therapy

A

False

-It decreases success

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10
Q

With a mature tooth what affors the most predictable success?

A

-Pulpectomy

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11
Q

T/F With an immature tooth the vital pulp therapy should always be attempted

A

true

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12
Q

After pulpal therapy what is the most important factor?

A

-Bacteria tight seal

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13
Q

What is a Cvek pulpotomy?

A

-Shallow 2mm day of injury -greater than 80%

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14
Q

What is the treatment for a horizontal root fracture in the cervical or middle 1/3?

A

-Splint

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15
Q

What is the treatment for a horizontal root fracture in the apical 1/3?

A

-No immediate treatment

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16
Q

If you have a concussion luxation injury what does that mean?

A
  • No displacement
  • No mobility
  • Percussion sensitive
17
Q

What do you do for treatment in concussion luxation?

A

-No treatment

18
Q

What is subluxation?

A

-No displacement, but mobile and percussion sensitive with possible sulcular bleeding

19
Q

What do you do for treatment in subluxation?

A

-No treatment

20
Q

What is extrusive luxation?

A
  • Displacement coronally
  • Mobile
  • Pulp test non-vital
21
Q

What is the treatment for extrusive luxation?

A
  • Reposition
  • Splint 2-4 weeks
  • RCT later if needed
22
Q

What is lateral displacement?

A

-Displacement either (MDVL)

23
Q

What is the treatment for lateral displacement?

A
  • Reposition
  • Splint 2-4 weeks
  • RCT later if needed
24
Q

What is intrussive?

A
  • Displacement apically
  • No mobility
  • May re-erupt spontaneously if imature apex
  • HIgh incedence of ankylosis?
25
Q

How do you treat intrussive luxation?

A
  • May spontaneously re-erupt
  • May use orthodontics
  • RCT
26
Q

What is avulsion luxation?

A

-Complete displacement from socket

27
Q

What is the treatment for avulsion luxation?

A

-Immediate reimplantation and splint

28
Q

What are key factors in an avulsion luxation?

A
  • Duration
  • Storage medium
  • Apical maturity
29
Q

If you have a closed apex in an avulsed tooth what is the treatment if the tooth has been out for less than 60 min?

A
  • Place in saline, milk (best), or saliva
  • Irrigate socket
  • Reimplant and splint 2 weeks
  • Antibiotics (doxy or pen)
  • RCT one week (CaOH 2 weeks)
30
Q

If you have an open apex in an avulsed tooth what is the treatment if the tooth has been out for less than 60?

A
  • Saline to clean
  • Doxycycline for 5 min
  • Minocycline (aresting)
  • Reimplant and splint
  • Antibiotics
  • Follow for vitality
31
Q

If the avulsed tooth with a closed apex has been out for greater than 60 minutes what is the treatment?

A
  • Soak in 2% NaF for 5-20 minutes
  • RCT in NaF soaked gauze in hand
  • Replant and splint 4 weeks
32
Q

If the avulsed tooth with an open apex has been out for greater than 60 minutes what is the treatment?

A
  • May not reimplant due to very high incidence of ankylosis

- RCT out of mouth

33
Q

What can you use for a splint?

A
  • Ortho wire
  • Titanium Trauma splint
  • Composite splint
  • 12 lb test

Endodontics 2020 (20 decks)

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