Some former smokers are using e-cigarettes as a way to help them quit smoking traditional cigarettes; however, health claims and claims of efficacy for quitting smoking are unsupported by the scientific evidence to date. Dental professionals need to be aware of the health risks associated with this electronic nicotine delivery system (ENDS). The subsequent information will provide an overview of the history of e-cigarettes, components, chemical composition, prevalence and how dental professionals can become involved in education and recommendations.