Externships in AEGD, Endodontics, Orthodontics, Periodontics, or Prosthodontics

COVID-19 Information

Externships will continue to be suspended for the 2021-2022 academic year. Information will be shared once we can resume externship opportunities.


An externship program in Advanced Education in General Dentistry (AEGD), Endodontics, Orthodontics, Periodontics, or Prosthodontics is available to third or fourth-year dental students enrolled in US or Canadian dental schools who plan to apply to one of the postdoctoral programs. Externs attend classes and observe the postdoctoral students in the clinic. There is a limit of two externs per month and per specialty. Time commitments vary per program. Externships can be for up to one week during the Spring semester (January through April). Applications should be submitted 1-3 months prior to the desired dates requested. 

Advanced Education in General Dentistry (AEGD) 1-2 days maximum
Endodontics up to one week
Orthodontics 1/2 day morning or afternoon; 1-2 full days (vary)
Periodontics up to one week
Prosthodontics 1-2 days maximum

Admissions Requirements

  • All applicants must be enrolled in their 3rd or 4th year of US or Canadian dental school and be in good academic standing.
  • A letter from the Dean or other official at the dental school granting permission for the student to participate in this program is required.
  • Applicants must submit an application to be considered. 

There is no tuition charge for this program, but participants must find their own housing and pay for their transportation and living expenses.

To apply please download the application. Submit the completed application along with supporting documentation to cdm-pgadmissions@cumc.columbia.edu

If you have additional questions, write to: cdm-pgadmissions@cumc.columbia.edu