Fecha de Publicación: Febrero 2023 Referencia Brazilian Oral Research. Vol. 37. Resumen general Objectives: The aim of this study is to determine the total, soluble and ionic fluoride (IF) concentration in toothpastes for children since there is a lack of information about this data. Methods: Fifteen different brands of toothpastes were purchased in different cities in Brazil. The total fluoride (TF), total soluble fluoride