D.C. Mun. Regs. tit. 17, § 9201
9201.1 No person unlicensed to practice dentistry or dental hygiene in the District of Columbia shall be permitted to teach dentistry or dental hygiene, respectively, within the District, without a teacher's license.
9201.2 For a period of one year after the effective date of these regulations an applicant who is not eligible to teach dentistry under § 9203 of this chapter, or is not eligible to teach dental hygiene under § 9206 of this chapter, may engage in the teaching of dentistry or dental hygiene, respectively, if the applicant:
(a) Has received training to enable him or her to competently and safely teach dentistry; and
(b) Engages in dental or dental hygiene teaching under the general supervision of a licensed dentist.
SOURCE: Final Rulemaking published at 63 DCR 13701 (November 4, 2016).