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Oral Surgery > Day 2-Injuries > Flashcards

Day 2-Injuries Flashcards

1
Q

What is it meant by “open” reduction?

A

setting of a fracture with incision and plate

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2
Q

What is it meant by “closed” reduction?

A

setting of bone without an incision or plate

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3
Q

What do the Ellis Classifications correspond to? (What is Ellis class I, II, III?)

A

Ellis class I-Fx in the enamel. Ellis class II-Fx in the dentin and enamel…Ellis class III Fx in the pulp, dentin, and enamel

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4
Q

With a root Fx, which type has the BEST prognosis? How do you Tx?

A

Fx of the Apical 1/3…cementum will grow back around it! Splint for 3 months

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5
Q

Whats the term for hemorrhage and edema in the PDL?

A

WIL SMITH. CONCUSSION

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6
Q

Whats the term for PDL ruptured, but tooth is not displaced?

A

SubLuxation

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7
Q

What is the survival rate for a concussed tooth?

A

like 95% yo

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8
Q

Whats the long term survival for a subluxed tooth?

A

like 85% yo

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9
Q

_______ both the PDL and pulpal neurovascular tissues are violated. Only gingival tissues retain the tooth

A

Extrusion

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10
Q

_________ :some of the apical PDL fibers are compressed

A

Lateral Luxation

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11
Q

What is the survival rate for an extruded tooth? How do you Tx?

A

Splint it for 4-6 weeks…about 45%

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12
Q

What is the survival rate for a lateral luxation?

A

NO bueno…25%

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13
Q

What is the survival rate for an INTRUDED tooth?

A

like 0% main.

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14
Q

________: The PDL and pulpal tissues are violated. There may be additional desiccation injury to the PDL.
􏰁 Treatment: Reimplant and splint for ___-___days

A

Avulsion…7-10 days

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15
Q

IF you have an open apex, what are the odds of saving a tooth if avulsed if you get it back in within 5 minutes?

A

55%

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16
Q

IF you have a closed apex, what are the chances you can get PDL healing if you place the tooth back in after 5 minutes?

A

50% (no pulp healing:( yet)

17
Q

How long do you have to splint (wire a jaw shut) after an alveolar fracture?

A

4-6 weeks

18
Q

Interesting…IF you are able to set the alveolus after a fracture in LESS THAN AN HOUR, what is the chance of pulp survival?

A

about 60%!

19
Q

Duration of immobilization for a mobile tooth:

A

3-4 weeks

20
Q

Duration of immobilization for tooth displacement:

A

3-4 weeks

21
Q

Duration of immobilization for root fracture:

A

2-4 months

22
Q

Duration of immobilization for a mature replanted tooth:

A

7-10 days

23
Q

Duration of immobilization for an immature replanted tooth:

A

3-4 weeks

Oral Surgery (9 decks)

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