Dental health is one of the direct metrics that may be used to determine the overall health of a community. Diabetes mellitus is linked to a variety of dental and oral difficulties, including xerostomia and periodontal issues, among others. The purpose of this narrative review is to identify oral problems that are associated with diabetes mellitus and to investigate the probable pathologies that are responsible for these issues. The Google search engine, Google Scholar, PubMed, and Science Direct were utilized in order to conduct the electronic database search. Diabetes is a significant complication in the field of medicine. According to the available research, oral health care professionals have the potential to have a large and beneficial impact on the oral and general health of patients who have diabetes mellitus.