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Pedo Final > Oral Trauma II > Flashcards

Oral Trauma II Flashcards

1
Q

Ellis 1

A

Fracture of the enamel.

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2
Q

Ellis 2

A

Fracture of the enamel and dentin.

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3
Q

Ellis 3

A

Fracture of enamel, dentin, and pulp.

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4
Q

What pulp therapy should you do on a tooth with a closed apex and lateral luxation with displacement.

A

Root canal treatment.

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5
Q

Complicated fracture on a baby tooth with an open apex. What pulp therapy do you do?

A

Cvek/partial pulpotomy or pulp capping bc we want further root development.

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6
Q

Indicated for a vital, traumatically-exposed, young permanent tooth, especially one with an incompletely formed apex.

A

Cvek pulpotomy

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7
Q

Can you do a Cvek if it’s been 24 hrs?

A

YES

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8
Q

Time and size of exposure in a Cvek.

A

DON’T matter! As long as you can get to healthy, non-inflamed pulp tissue.

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9
Q

As long as the affected pulp depth is less than ___ mm, you can do a Cvek

A

4

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10
Q

Type of drill used to do a Cvek.

A

High speed!

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11
Q

Steps for a Cvek

A

1) Remove 1-3 mm of inflamed tissue.
2) Control bleeding with cotton pellet.
3) Kill bacteria with CHX or Sodium Hypochlorite.
4) Cover with MTA or Ca(OH)2.
5) Cover with GI.
6) Restore the tooth

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12
Q

Intracanal medicament used for a Cvek.

A

CHX or Sodium hypochlorite.

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13
Q

These materials can induce hard tissue formation.

A

CaOH and MTA

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14
Q

These can be used in the presence of moisture.

A

CaOH and MTA

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15
Q

Dentinal bridge forms faster with this material.

A

MTA

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16
Q

Requires moisture to set, so can be used to do a pulpotomy where there’s blood.

A

MTA

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17
Q

If the tooth has been out of the mouth for less than an hour, for how long do you splint it?

A

1-2 weeks

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18
Q

If the tooth has been out of the mouth for an hour, how long do you splint it?

A

4 weeks.

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19
Q

If the tooth has been out of the mouth for more than an hour dry time, how long do you splint it?

A

More than 4 weeks.

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20
Q

The primary concern for an avulsed tooth is to maintain the vitality of this.

A

PDL fibers.

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21
Q

Best transport medium for an avulsed tooth.

A

Cell culture media (Viaspan or Hank’s Balanced Solution).

22
Q

If cell culture medium is not available, the next best thing to store the avulsed tooth in would be this:

A

COOL milk.

23
Q

Cool or warm milk better to store an avulsed tooth in?

A

COOL!

24
Q

Is water a good medium for an avulsed tooth?

A

NO bc it’s hypotonic and would cause the PDL cells to swell and rupture.

25
Q

Another name for replacement resorption.

A

Ankylosis

26
Q

Types of replacement resorption

A

Progressive and Transient

27
Q

This replacement resorption gradually resorbs the entire root.

A

Progressive

28
Q

This replacement resorption is eventually replaced by PDL after a year.

A

Transient

29
Q

Causes progressive replacement resorption.

A

1) PDL cells were scraped off.

2) Tooth dried out for too long.

30
Q

How early on can you see replacement resorption on the radiograph?

A

2 months

31
Q

Percussive tone of ankylosed teeth.

A

High percussive tone.

Can often hear the percussive tone before you see the ankylosis radiographically.

32
Q

Return to normal percussive tone is seen in this type of ankylosis.

A

Transient

33
Q

Characterized by bowl-shaped resorption cavities in the cementum or dentin.

A

Inflammatory/Infection-Related Resorption

34
Q

How long after reimplantation can you start to see inflammatory resorption?

A

2 weeks

35
Q

Descriptions for what kind of tooth?

Loose
Extruded
Sensitive to Percussion
Percussion tone is dull

A

One with inflammatory resorption.

36
Q

Do we do pulpectomies on avulsed teeth?

A

Only if it’s a closed apex!

37
Q

How long do we wait after reimplantation before doing a pulpectomy on an avulsed tooth?

A

7-10 days.

38
Q

Why don’t we do a pulpectomy on an avulsed tooth with an open apex?

A

We want to allow for revascularization and apexogenesis.

39
Q

If you have an avulsed tooth, whether open or closed apex, how long do we give antibiotics for and what kind?

A

1 week (as well as 1 week of CHX rinse).

Younger than 8 years old: give Pen VK.

Older than 8 years old: give Doxycycline.

40
Q

This antibiotic is anti-resorptive.

A

Doxycycline.

41
Q

A tooth that has this quality is less likely to ankylose.

A

Loose

42
Q

Necrotic pulp should be removed and replaced with this in 7-10 days after avulsion of a MATURE tooth (closed apex).

A

CaOH

43
Q

How long does the gutta percha stay in before you do the pulpectomy on the mature tooth?

A

2 weeks

44
Q

Teeth that have extraoral dry time longer than 60 minutes need to be placed in this for 20 minutes.

A

Na Fluoride

45
Q

Every tooth that’s been out of the mouth for longer than an hour will suffer from this.

A

Ankylosis

46
Q

Main reason that revascularization doesn’t work on an avulsed tooth with an immature apex.

A

Bacteria on the root surface and apical foramen.

47
Q

1% Doxycylcine solution.

A

50 mg Doxy in 5 cc of saline for 5 minutes.

48
Q

This procedure allows you to maintain bone height and thickness once an avulsed tooth has ankylosed.

A

Decoronation.

49
Q

Cut off the crown, remove 2 mm of root subgingival, remove whatever’s in the canal, rinse with saline, allow to fill with blood, suture, use resin to splint the crown to the adjacent teeth.

A

Decoronation

50
Q

Do we reimplant PRIMARY teeth?

A

Heck no

Pedo Final (11 decks)

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