The aim of this review is to highlight the awareness and utilization of mouthguards and reasons for not wearing it. A literature search was performed using the PubMed, Web of Science, Scopus and Google scholar data base for all the articles between 2000 and 2018 and was not restricted to specific languages. The search terms used were mouth guard, mouth piece, mouth protector, awareness and use. The results revealed that the awareness of mouthguards is high but the usage is low. In most of the studies the given reason for not using mouthguards is not necessary to wear it followed by discomfort.