[Brushing teeth: how to promote this habit in children].

To teach how to correctly brush teeth to elementary students in their own school is a method widely used by health educators. This article analyses the results of an educational project promoted by the Burela, Lugo mayor's office which instructed 58 six-year-old students in oral hygiene. After receiving instructions how to brush their teeth using a rotational technique, those students had problems with their right side half arches, lower dental arch in general, and the molar tongue faces.