CSAR 2 pt 2

Question 1

What do you need to consider before doing a crown?

Answer 1

• perio status
• end status
• restorative status
• pt expectations and co operation
• sound core
• TSL ?

Question 2

can you crown if active caries present ?

Answer 2

no - v bad

Question 3

what should you consider restoratively ?

Answer 3

• can it retain core
• may need to deconstruct existing filling to access
• isolation
• ferrule
• pericervical area

Question 4

what should you consider endodontic wise?

Answer 4

• know the pulp status

only can do crown if vital or RCT

Question 5

what increases the risk of loss of vitality?

Answer 5

• crowning teeth
• bridge retainers
• if cracked tooth syndrome

Question 6

What are the pre-op assessments that are needed?

Answer 6

• PA

- Vitality testing

Question 7

What are the advantages of a crown? (2)

Answer 7

may stop fracture

may increase tooth lifespan

Question 8

What are the disadvantages of a crown? (3)

Answer 8

caries risk
no guarantee of how long it lasts ave 5-8 years but lots of variation
loss of vitality risk causing swelling - will need RCT to treat this

Question 9

what % of crowned teeth need RCT

Answer 9

15%

Question 10

What is the life span of a crown

Answer 10

average 5-8 years

Question 11

what do posts do?

Answer 11

retain a core - do not increase in strength

Question 12

what height is needed for ferrule?

Answer 12

1.5-2mm of ferrule

Question 13

What are the options for compromised anterior teeth?

Answer 13

• direct composite
• veneer
• consider bleaching - internal and external
• post and core

Question 14

What is a key thing to remember when restoring anterior teeth?

Answer 14

The height of the palatal wall where it resists, the thicker the better