Restorative stats Flashcards
1
Q
What % of re-prepped crowns are likely to lose vitality?
A
20%
2
Q
How much does an MO cavity weaken the tooth?
A
1/3
3
Q
How much does an MOD cavity weaken the tooth?
A
2/3
4
Q
What is the 5 and 10 year survival of resin-retained bridgework?
A
5 year - 80.8%
10 year - 80.4%
5
Q
How long is a crown likely to last?
A
between 5-15 years
6
Q
Likely prognosis for an endo-treated tooth?
A
7-10 years
7
Q
What are the % failure rates for endo treatment?
A
60% of endos fail due to restorative treatment e.g. cuspal coverage restoration leakage
32% of endos fail due to perio
8% fail due to endo itself
