NBDE (National Board Dental Examination)is the United States national dental examination for professionals and students in dentistry. It is necessary for licensure in the USA. It is also be required to apply for postgraduate studies in dental specialties after completing a dental degree. National Board Dental Examination comprises of just one part. On 31 July 2020 NBDE part I was discontinued. Until 1 August 2022 NBDE comprises only part II but after 1 August 2022 NBDE part II will be discontinued.