The invention relates to the combination of secnidazole with an antibiotic of the macrolide family, preferably azithromycin 11, for oral treatment of dental infections, which enables a considerable reduction in the length of treatment and the doses administered in comparison with the conventional treatment.USO DE UNA COMPOSICIÓN QUE COMPRENDE SECNIDAZOL Y UN ANTIBIÓTICO MACRÓLIDO PARA PREPARAR UN MEDICAMENTO ÚTIL EN EL TRATAMIENTO DE INFECCIONES DENTALES.