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PEDO Quiz 1 (post Midterm)-- Fall > Trauma II > Flashcards

Trauma II Flashcards

1
Q

What are the two ways to perserve pulp vitality

A

pulp capping

partial pulpotomy

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2
Q

What is the treatment of choice in a tooth with an enamel/dentin/pulp fracture with a closed apex

A

RCT

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3
Q

What are the condiitons required for a Cvek pulpotomy

A
  • Vital root
  • No adverse symptoms
  • No radiographic pathology
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4
Q

What is a critical factor for Cvek pulpotomy success

A

degree of pulp inflammation

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5
Q

Up to _ days between the time of trauma and Cveck treatment there will be little effect on the success

A

9

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6
Q

The size of the exposure doesn’t affect the success of a Cvek pulpotomy as long as it is less than _mm

A

4

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7
Q

Cvek pulpotomy has a better chance of success with a (open/closed) apex

A

open

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8
Q

Inflammed pulp tissue for a Cvek is removed up to _-_mm

A

1-3mm (until pulpal hemorrhage stops

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9
Q

Steps of a Cvek

A
  • Inflammed pulp tissue removal
  • Control pulpal bleeding
  • Bacteriocidal irrigant (bleech and chlorhexidine)
  • Cover pulp with CaOH and MTA
  • GI
  • Restore
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10
Q

Inflammed pulp should be removed with (slow speed/high speed)

A

high speed

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11
Q

To achieve proper hemostasis bleeding should stop after - min

A

3-5 min if it takes longer the pulp is deemed unhealthy

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12
Q

Which has the capacity to induce hard-tissue formation? Which has a high pH

A

both

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13
Q

What are the advatages of MTA over CaOH

A
  • Dentin bridge forms faster
  • Resistance to bacterial leakage
  • Requires moisture to set (good to place over a bleeding pulp)
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14
Q

Which form of caOH is not sensitive to moisture

A

paste form

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15
Q

What is the success rate of Cvek pulpotomies in PERMENANT teeth

A

94-96%

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16
Q

What is the most commonly avulsed tooth

A

maxillary central incisor

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17
Q

What is the most common age to avulse a tooth and why

A

7-9 because the PDL is loosely structured and the bone is low mineralization

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18
Q

A (rigid/flexible) splint is used for avulsed teeth

A

flexible

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19
Q

What are the two types of pathology associated with tooth replantation

A

-Pulpal and periodontal reaction

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20
Q

T/F Prognosis of the avulsed tooth doesn’t change when the time out of the socket increases

A

f- worsens the longer it is out of the tooth

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21
Q

What is the purpose of HBSS

A

Hanks balanced salt solution is a cell culture medium used to keep the PDL cells alive

22
Q

What is the next best storage option to HBSS

A

Cold milk

23
Q

Why is water a bad transport solution for a tooth

A

it is hypotonic- will cause the PDL cells to swell and burst

24
Q

What is another name for ankylosis

A

replacement resorption

25
Q

Replacement resorption develops in two different directions depending on

A

extent of PDL damage

26
Q

What are the two types of replacement resorption

A
  • Progressive replacement resorption (gradual resorption of the entire root)
  • Transient replacement resorption (once-established angkylosis disappears later)
27
Q

Progressive replacement resorption is always initiated when

A

the entire PDL is removed before replantation or after excessive drying

28
Q

Replacement resorption can first be recognized radiographically after how long

A

2 months (but in most cases it takes 6 mo-1 year)

29
Q

Ankylosed teeth are (mobile/immobile)

A

immobile

30
Q

percussive tone of an ankylosed tooth is (low/high) this test can often detect ankylosis (before/after) X-ray

A

high….before

31
Q

Will the percussion tone change in transient replacement resorption once ankylosis disappears

A

yes it will be low again

32
Q

Inflammatory resorption appears how

A

bowl shaped cavities in the cementum and dentin

33
Q

What is the cause of inflammatory inflammation

A

injury to the PDL/cementum due to trauma or contamination with bacteria

34
Q

What can intensify the inflammatory response in inflammatory resportion

A

exposure of the dentinal tubules

35
Q

Inflammatory resportion is a (fast/slow) process

A

fast

36
Q

First radiographic sign of inflammatory resporption takes how long

A

2 weeks

37
Q

Where along the root is inflammatory resopriton first seen

A

cervical third

38
Q

Percussion tone of a tooth with inflammatory inflammation is (sharp/dull)

A

dull

39
Q

T/F inflammatory resorption –> percussion sensitivity

A

t

40
Q

Why is doxycycline recommended after avulsion

A

anti-resoprtive properties

41
Q

What should you use for an antibiotic after evulsion if the kid is less than 12

A

pen VK (due to staining)

42
Q

Why is long term rigid splinting not recommended for avulsed teeth

A

increased risk of replacment resorption

43
Q

A pulpectomy on a mature avulsed tooth should be done how long after the incident

A

within 7-10 days

44
Q

How long should CaOH stay in the tooth before obturation

A

until X-ray signs of healing are noted

45
Q

How long should a tooth be soaked in fluoride for after >60 min dry time and why

A

20 min- slows replacement resorption

46
Q

Why do we remove the dead PDL cells after dry time >60 min

A

Slows replacement resorption if these cells remain they act as inflammatory stimulators

47
Q

why do we want to slow replacement resorption when it will happen regardless

A

maintain the height and width of the socket for an extended period of time

48
Q

What is the main reason why revascularization can fail and how can we prevent it

A

bacteria in the apical third… doxycycline (antibacterial and antiresorptive properties)

49
Q

What is the conc. of doxyxlycine used on teeth we want to revascularize

A

50 mg of doxycycline in 5 cc of saline for 5 mins

50
Q

Why should you not let infraposition to progress

A

because even an uncomplicated extraction can lead to large loss of the alveolar ridge

51
Q

When would minor infraocclusion be expected

A

when the alveolar growth is finished/almost finished

52
Q

Describe decoronation

A

Remove the crown and leave the root. Remove the pulp in the root. The root will be substituted for bone

PEDO Quiz 1 (post Midterm)-- Fall (6 decks)

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