Mazhari F, Boskabady M, Moeintaghavi A, Habibi A. The effect of toothbrushing and flossing sequence on interdental plaque reduction and fluoride retention: A randomized controlled clinical trial. J Periodontol. 2018 Jul;89(7):824-832. doi: 10.1002/JPER.17-0149. Epub 2018 Jul 20. PMID: 29741239.
Silva C, Albuquerque P, de Assis P, Lopes C, Anníbal H, Lago MCA, Braz R. Does flossing before or after brushing influence the reduction in the plaque index? A systematic review and meta-analysis. Int J Dent Hyg. 2022 Feb;20(1):18-25. doi: 10.1111/idh.12546. Epub 2021 Aug 24. PMID: 34402188.