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Perio 2 2020 > 2/7/17 GTR Utah > Flashcards

2/7/17 GTR Utah Flashcards

1
Q

What is the most common outcome of Scaling and root planing?

A

-Long junctional epithelium

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2
Q

Is our goal to get repair or complete regeneration?

A

-Complete regeneration

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3
Q

When doing guided tissue regeneration what do we want the connective tissue to do?

A

-Attach to the tooth surface

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4
Q

What are the 4 separate compartments of connective tissue in the periodontium?

A
  • The gingival corium (CT)
  • Periodontal ligament
  • Cementum
  • Bone
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5
Q

How quickly does the gingival epithelium grow?

A

-A few days

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6
Q

T/F The lack of walls could be a possible reason that regeneration is not maximized

A

True

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7
Q

T/F In a three wall infrabony defect you can get the blood clot controlled very well to have good regeneration.

A

True

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8
Q

Does narrow or wide-mouth allow for a more stable blood clot for regeneration?

A

-Narrow

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9
Q

Does shallow or deep defects allow for a more stable blood clot for predictable regeneration?

A

-Deep

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10
Q

What is the ideal defect that allows for a stable blood clot for a predictable regeneration?

A

-Narrow and Deep

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11
Q

What does cell occlusiveness mean?

A

-Prevent the epithelial cell down growth in a coronal direction

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12
Q

What is the main non-absorbable membrane used?

A

-PTFE (Teflon)

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13
Q

What happens with cells with the expanded PTFE?

A

-The cells can get into it

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14
Q

T/F You can shape the titanium reinforced Gore-Tex non-absorbable membranes

A

True

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15
Q

What were the first membranes approved for clinical use?

A

Non-absorbable barriers

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16
Q

What was the first of the non-absorbable membranes?

A
  • Teflon

- Gortex

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17
Q

How long would you keep non-absorbable barriers in for as long as you can get primary intention closure?

A

9 months to a year

18
Q

T/F It is very critical when you go in during a second surgical procedure to remove a Teflon barrier that you get every little piece out

A

True

19
Q

T/F Bacteria can accumulate on the non-absorbable membranes if primary closure isn’t achieved leading to further problems

A

True

20
Q

What are four complications that have been noted with the use of non-absorbable membranes?

A
  • Pain
  • Purulence
  • Swelling
  • Tissue sloughing
21
Q

What was the biggest problems with the rubber dam non-absorbable membranes?

A

-People have latex allergies

22
Q

If the membrane collapses into the space where you want to have bone regeneration will it work?

A

-Not really if so it will be minimal

23
Q

Where do you want to make sure the membrane is tightly attached on the tooth?

A

-Coronally to the defect

24
Q

In the non-resorbable membrane it is important to do what to the edges of the membrane?

A

-Round the corners

25
Q

An advantage of what type of membrane is the ability to maintain separation of tissues over an extended period (if unexposed)?

A

-Non-resorbable

26
Q

When you covered up the membranes placed what type of closure do you want?

A

-Primary closure if possible

27
Q

What type of membrane is the gold-standard today?

A

-Absorbable membranes

28
Q

Which is more difficult to get bone growth in an area with teeth or an edentulous area?

A

-An area with tooth

29
Q

T/F absorbsable membranes can have sharp corners

A

True

30
Q

An advantage of what type of membrane is the elimination of a second surgical procedure for the membrane removal?

A

-Absorbable membranes

31
Q

What is the minimum amount of time that you want an absorbable membrane to be intact?

A

4 weeks

32
Q

T/F If the resorbable membrane is exposed because you couldn’t achieve primary closure the degradation of the material is faster

A

True

33
Q

If a patient has moderate periodontitis and you place a resorbable barrier membrane for tissue regeneration is your outcome going to be good?

A

-No because you want the area to be as free from inflammation as possible

34
Q

What are synthetic absorbable devices are degraded how?

A

-Hydrolysis

35
Q

T/F Whenever you have hydrolysis it can lead to slight inflammation

A

True

36
Q

What type of resorbable membrane is a type I collagen derived from bovine?

A

-Biomend

37
Q

What type of resorbable membrane comes in a flowable formulation?

A

-Atrisorb

38
Q

What term describes any tissue or substance with the potential to induce growth or repair of bone?

A

-Osteogenic

39
Q

T/F A concern of allografts is getting a good bone source from a good bone bank

A

True

40
Q

What is the most common xenograft taken from?

A

-Bovine

41
Q

T/F If you are going to do bone grafting you need to place it in a dapendish that isn’t used for anything else

A

True

Perio 2 2020 (14 decks)

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