Provisionals Flashcards

1
Q

Name the purpose of provisionals

A
  • safeguard and sedate pulp from physical, chemical, thermal and bacterial injuries
  • promote perio health
  • parallelism of abutment
    + 3 more
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Features of ideal provisionals

A
  • optimal contact areas (prevent mesial distal drifts)
  • exact same occlusal contact as uncut teeth
  • margin fit
  • reasonable colour and anatomy
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the materials used

A
  • chemically activated acrylic resins (methyl methacrylate)
  • light activated composite resin (udma)
  • chemically activated composite resins (bis-gma)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the features of PEMA (polyethylene methacrylate)

A
  • low cost
    + a few more
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Features of light activated composite resin

A

-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Features of chemically activated composite resin

A

-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How to compensate for shrinkage at margins

A

Add wax near the marginal areas -> putty will be larger for relining

How well did you know this?
1
Not at all
2
3
4
5
Perfectly