Dificultad en el diagnóstico de una infección de transmisión sexual cada vez más frecuente / Increasingly frecuent difficulty in the diagnosisof a sexually transmitted disease
Syphilis is a curable sexually transmitted disease (STD), caused by a bacterium called Treponema pallidum.It is transmitted sexually and vertically in pregnancy. This pathology occurs in different stages, andeach of them manifests particular oral lesions.The objective of the present article is to characterize the various clinical manifestations in the secondary period contributing with images of the experience in daily practice. This secondary stage expresses great variability and multiplicity of lesions, which is disorienting and creates difficulties when it comes to diagnosis.It is also of interest to update the knowledge for health professionals and general dentists on the serological tests that will help to complement and confirm the firm diagnosis.