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Autism Spectrum Disorder (ASD) is a spectrum of neurodevelopmental disorders that affect the brain development and functioning, by still unknown mechanisms. The estimated prevalence for ASD is one to two per thousand live births and these individuals present physical and psychological limitations that include delays in language development, difficulties in social interaction, communication and restricted and repetitive behaviors, and many may have intellectual disabilities. It is assumed that the oral health of ASD individuals is precarious, in part because of their limitations and little manual dexterity to perform health care, as well as the high consumption of foods with added sugar and prolonged retention of the food bolus in the oral cavity, which are observed in this population. The aim of this article is to present a review of the literature about the oral health conditions of autistic individuals. For the development of the present literature review, the MedLine / PubMed, Scopus and SciELO databases were searched. The articles were selected according to descriptors related to oral health and autism spectrum disorder. Lower caries prevalence in ASD individuals is reported in most of the studies, however, it is observed the need for longitudinal studies that can assess incidence and factors associated with dental caries in this population. Studies suggest that autistic individuals have worse periodontal conditions, and there is a lack of conditions associated with this higher prevalence. Despite the limited number of studies, autistic individuals do not appear to be more prone to dental trauma. [ABSTRACT FROM AUTHOR]