[Prevention of dento-maxillary anomalis. Comparative study in two different socio-economic levels].
D002648:Child; D002677:Chile; D002986:Clinical Trials as Topic; D003753:Dental Health Surveys; D006801:Humans; D012959:Socioeconomic Factors; D014071:Tooth Abnormalities
Prevención de anomalías dento-maxilares. Estudio comparativo en dos niveles socio-económicos diferentes.