Study Design
Meta-analysis, case reports, retrospective, prospective and randomized studies with qualitative and/or quantitative analysis were included. Initially, keywords were determined by searching the DeCS tool (Descriptors in Health Sciences, BIREME base) and then verified and validated by the MeSH System (Medical Subject Headings, the US National Library of Medicine) to achieve a consistent search.
The present study was about a description and technical report on direct restoration of anterior teeth followed by a literary review. The main descriptors (Mesh Terms) used were “Restoration. Composite resin. Anterior teeth. Class IV anterior teeth. Direct restorative technique ”. For further specifications, the description “Direct restorative technique ” for refinement was added during the research, following the rules of CARE - Case Reports Guidelines. Available at: https://www.care-statement.org/). The bibliographic search was carried out through online databases: PUBMED, SCOPUS, COCHRANE LIBRARY AND GOOGLE SCHOLAR. The deadline and related research were set, covering all available literature on virtual libraries.