Evidence based medicine

Why this Blog?





Hierarchy of evidence pyramid. The pyramidal shape qualitatively integrates the amount of evidence generally available from each type of study design and the strength of evidence expected from indicated designs. In each ascending level, the amount of available evidence generally declines. Study designs in ascending levels of the pyramid generally exhibit increased quality of evidence and reduced risk of bias. Confidence in causal relations increases at the upper levels. *Meta-analyses and systematic reviews of observational studies and mechanistic studies are also possible. RCT, randomized controlled trial.


The opinion of the experts is at the lowest level of the hierarchy of scientific evidence, however it allows us to have interesting topics for reflection to be explored by consulting the most suitable sources for scientific research. This blog aims to offer topics for reflection on periodontology and dentistry devoted to the preservation of natural dentition.


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