Introduction:

the primate spaces and interincisaldiastemas occur in the deciduous dentition and most of them are physiological, the presence or absence of one of these types of diastema has a direct effect on the permanent and mixed dentition causing dental crowding and malocclusion, these spaces They appear from 3 to 6 years approximately, where the first definitive molar is presented in the mouth closing the spaces.

Objective:

to analyze the primate spaces and interincisaldiastemas in deciduous dentition in children of nursery schools belonging to the Rene Vallejo Ortíz polyclinic in Bayamo.

Method:

the sample consisted of 65 infants of 5 years, of which 33 were male and 32 were female who attended the stomatological clinic of the René Vallejo Polyclinic. A survey was carried out and with a millimeter ruler the spaces presented by the interincisaldiastemas and the primate spaces were measured.

Results:

the primate spaces were presented in 81.53% of the children and were absent in 18.46% taking into account only the children who presented primate spaces, the children had higher prevalence with 50.94% and the girls with 49.05%, on the other hand the interincisaldiastemas occurred in 78.46% of children and were absent with 21.53% taking into account only children with interincisaldiastemas, children have a higher prevalence with 50.98% and girls with 49.01%, in terms of the type of Baumen arc more, frequent in children is type I with 60%, followed by type II with 21.53% and type III with 18.46%, finally the probability of crowding was less than the spaces required for the correct location of the permanent dentition.

Conclusions:

the presence of primate spaces was greater than the interincisivediastemas. The male sex predominated in the physiological diastemas and primate spaces in both jaws. The type of bow according to Baumen most prevalent was type I in both sexes.

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