Section 616 - Use of dental hygienists and dental assistants(a) A dental therapist may supervise dental assistants and dental hygienists directly to the extent permitted in the collaborative agreement.(b) At any one practice setting, a dental therapist may have under his or her direct supervision no more than a total of two assistants or hygienists or a combination thereof.Added 2015, No. 161 (Adj. Sess.), § 2, eff. 6/2/2016.