BACKGROUND Consensus guidelines are useful to improve clinical decision making. Therefore, the methodological evaluation of these guidelines is of paramount importance. Low quality information may guide to inadequate or harmful clinical decisions. OBJECTIVE To evaluate the methodological quality of consensus guidelines published in implant dentistry using a validated methodological instrument...

This systematic review analyzes the methodologies of Brazilian studies that have used indices to evaluate dietary quality. A systematic search was performed of electronic databases (Lilacs, Medline, SciELO and Scopus) with no restriction on the year of publication of the studies. Original, Brazilian articles were selected that assessed dietary quality using the Healthy Eating Index (HEI) or its...

Quality improvement is understood by Juran to be the systematic pursuit of improvement opportunities in production processes. Several methodologies are proposed in literature for quality improvement projects. Three of these methodologies – Taguchi’s methods, the Shainin system and the Six Sigma programme – are compared. The comparison is facilitated by a methodological framework for quality imp...