Evidence based dentistry Flashcards
What is EBD?
integration of best research evidence with clinical expertise and patient values
Sackett 2000
Why must we practice EDB? Which model explains how you can practice EBD?
it costs society and individials if we deliver treatment that is not cost effective
Richards and Lawrence 1995
identify the problem : questions relevant to the pt
Search for evidence: asking an expert, read a book, find a paper
Interpret evidence : discard/store/update
Act on evidence
What sources of evidence is available?
Cochrane
Evidence based bulletins
Guidelines eg RCS and BSPD
NICE
What is a systematic review?
This is a way of synthesising evidence.
They have clear inclusion and exclusion criteria and summarise the findings in literature. The data can be both quantitative and qualitative
Needs to identify all the relevant literature and synthesise this information in an unbiased way
What must you be aware of in systemicatic reviews?
publication bias
What is a meta analysis?
This is a way of pooling all statistical evidence and thus it increases the power to rejkect the null hypothesis. It is a weighted average of results from a systematic review
T/F meta analyses are always included in systematic reviews?
F
What is publication bias?
this happens when the decison to publish research depends upon what the results show
What is the impliation of publication bias?
negative results are more likely to be rejected
positve results are more likely to be published
What is positive publication bias?
when positive results are more likelty to be publisjed
What are guidelines?
evidence snynthesis where expert bodies review evidence producing summaries of recommended action based upon evidence
What are bulletins?
evidence synthesis where there is rapid and wide spread dissemination of evidence to an audience
What can bulletins comprise?
systematic reviews
guidelines
(or both)
What is the the cochrane oral health group?
international networl of healthcare professionals, reserachers and consumers
What is the purpose of the cochrane oral health group?
prepaore, maintain and disseminate systematic reviews or RCT’s in oral health
