The drop technique: a method to control the amount of fluoride dentifrice used by young children - Vilhena, Fabiano Vieira; Silva, Henrique Mendes; Peres, Sílvia Helena de Carvalho Sales; Caldana, Magali de Lourdes; Buzalaf, Marília Afonso Rabelo (Oral health and Preventive Dentistry, 2007)