![]() ![]() ![]() Simplicity (uses intuitively clear conjunctions),.One of the quoted phrases was not found, but its synonym worked, which resulted in locating a perfectly relevant study by Grender and colleagues and other sources. The search string still contains elements pertaining to population, intervention, outcome, and comparison but looks less sophisticated.Īs a result of these manipulations with key terms and operators, the number of search results (60) allows for manual selection. Secondly, the topic focuses on a very specific toothbrush technology – placing the term “Oscillating-rotating toothbrush” in quotation marks will increase the results’ relevance. Firstly, unnecessary synonyms that do not benefit the search have been removed. Here is an example of another Boolean string that can offer more specific results. In this situation, it is essential to simplify and shorten the search string, as well as place accents in a specific way to narrow down the search. The first results seem to be irrelevant to the topic of interest. The use of the created Boolean string yields 1726 results, which is a relatively large number of articles for manual selection of the most relevant sources. 1726 results for manual processing (another search string is required).These parts represent four elements of the PICO question of interest – AND operators between them ensure the presence of all elements in search results, and OR operators are applied to consider common synonyms. The Boolean search string might look complex, but it can be easily broken down into four parts. This screenshot illustrates the literature search process undertaken for my project about the comparative benefits of oscillating-rotating over manual toothbrushes for those with gingivitis. ![]() Topic: oscillating-rotating toothbrushes and their benefits over manual toothbrushes in gingivitis patients.Boolean search can be conducted using PubMed search engine (Ortega & Barker, 2019).NOT – refines the search (allows detecting and excluding irrelevant results).OR – broadens the search (requires only one of the options’ presence).AND – narrows the search (requires the presence of two or more terms simultaneously). ![]()
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