The interdisciplinarity between Speech and Language Sciences regarding Orofacial Motricity and Dentistry with respects to Orthodontics is seen in various cases. Even though they present distinct objectives, the field of Speech and Language Sciences is centered on the appropriateness of the way in favor of the Stomatognathic system functions. Dentistry is concerned more specifically with the correction of dent facial anomalies.Both need to work jointly in various situations, in order to promote a better prognosis to the patient. Based on this relationship, this literature review, which aims to strengthen the knowledge that must exist between the speech-language pathology and Dentistry, discussing the most relevant themes that approximate the two specialties.