The Medline, Embase and CINAHL databases were used to source studies, along with the reference lists of identified articles. Studies were restricted to randomised controlled trials (RCT), written in ...
The Cochrane Oral Health Group Trials Register, the Cochrane Central Register of Controlled Trials (CENTRAL), Medline Embase, Lilacs, Allied and Complementary Medicine Database (AMED) and CINAHL ...