DM - predictors of clinical durability

Question 1

what principles are needed to gain consent to go through pt notes?

Answer 1

1: justify the purpose for using confidential information
2: dont use personal confidential data unless absolutely necessary
3: use the minimum necessary personal confidential data
4: access to personal confidential data should be on a strict need-to-know basis
5: everyone with access to personal confidential data should be aware of their responsibilities
6: understand and comply with the law
7: the duty to share information can be as important as the duty to protect patient confidentiality

Question 2

what method is used to analyse data?

Answer 2

survival analysis - aim to plot a survival curve

Question 3

describe Kaplan-Meier survival analysis?

Answer 3

gather data - date of placement, last date of follow up, outcome (survival/ failure)
for each record state if an event or censored data
survival curve generated and interpreted

Question 4

what is censored data?

Answer 4

when you dont know or cant judge survival

Question 5

what are laboratory predictors of durability?

Answer 5

fatigue testing

Question 6

explain fatigue testing in the laboratory

Answer 6

restorations are subject to on and off loading many times in function

Question 7

what is the achilles heel of brittle dental materials?

Answer 7

porosity

Question 8

how many tests are done in Weibull statisitcal distribution?

Answer 8

30