Objective: the objective of characterizing children from 4 to 6 years of age from nursery schools in the health area of the "Julián Grimau García" Teaching Polyclinic in Santiago de Cuba, according to clinical and epidemiological variables.   Materials and methods: An observational, descriptive and cross-sectional study was carried out in children from 4 to 6 years of age belonging to the nursery circles of the health area of the "Julián Grimau García" Teaching Polyclinic in Santiago de Cuba, in the period of July 2016 to April 2017 .The study was constituted by the 57 children from 4 to 6 years of age belonging to the 2 children's circles of the aforementioned health area, of both sexes and who presented dental interferences. To obtain the data, a structured interview was conducted with parents or guardians, in order to obtain accurate and verified data, using the percentage as a ...