Prognosis

Question 1

Pai scale

Answer 1

1 - normal
2 - small bone loss
3 - bone loss + mineral loss
4 - periodontitis
5 - severe perio

Question 2

What PAI levels are considered no disease?

Answer 2

1-2

Question 3

Toronto study assessed what? Findings?

Answer 3

outcome of non-surgical RCT, 86% healed, 95% functional

Question 4

Delta dental study assessed what? Findings?

Answer 4

NS-RCT, 97% functional

Question 5

Alley et al assessment? Findings?

Answer 5

89% good from general dentist, 98% good from endo’s

Question 6

factors that affect healing (3)

Answer 6

pre-op periapical radiolucency
length of instrumentation/obturation
quality of permanent restoration

Question 7

Ricucci et al found cases of overfill resulted in what?

Answer 7

severe inflammation but no pain

Question 8

Poor endo but good restoration is still better than what?

Answer 8

good endo + poor restoration

Question 9

Rubber dam how affects success?

Answer 9

positively

Question 10

Highest reason for failure of RCT? 2nd highest?

Answer 10

leakage around material, missed canal

Question 11

Instrument separation what affect on success?

Answer 11

no significant effect

Question 12

Best case for perforation when…
size:
location:
time recognized:

Question 13

Better prognosis for REtreatment of RCT when...
perforation present/absent
pre-op perio radiolucency
QUality previous root filling
root canal morphology respected?

Answer 13

absent, absent, inadequate, respected

Question 14

Success of S-RCT for microsurgery vs. traditional?

Answer 14

way better for microsurgery