TY - JOUR T1 - Cleansing orthodontic brackets with air-powder polishing: effects on frictional force and degree of debris JO - Dental Press Journal of Orthodontics A1 - Leite, Brisa dos Santos A1 - Fagundes, Nathalia Carolina Fernandes A1 - Aragón, Mônica Lídia Castro A1 - Dias, Carmen Gilda Barroso Tavares A1 - Normando, David SN - 2176-9451 UL - 10.1590/2177-6709.21.4.060-065.oar VL - 21 Y1 - 2016 PB - Brasil ER -