Congenital syphilis can affect several organs and tissues such as bones and skin. In addition, neurological disorders and face and teeth abnormalities can be presented in this condition. Hutchinson's incisors and Fournier's molars, also known as mulberry molars, are the two types of dental defects commonly associated with congenital syphilis. Although the dental features of this condition are well described in literature, the most of dentists may have never seen or made dental diagnosis of this change. The aim of this study was to conduct a short communication about dental features of congenital syphilis in order to reinforce the attention of oral health professionals for this condition that can be easily confused with others hypoplastics defects of the teeth.