Orthodontic brackets friction changes after clinical use: a systematic review - Cury, Sérgio Elias Neves; Aliaga Del Castillo, Aron; Pinzan, Arnaldo; Sakoda, Karine Laskos; Pereira, Silvio Augusto Bellini; Janson, Guilherme (Journal of Clinical and Experimental Dentistry, 2019)