N.Y. Comp. Codes R. & Regs. tit. 8, § 61.17
(2) Under personal supervision of a licensed dentist means that the supervising licensed dentist remains in the dental office or other location where the local infiltration anesthesia or nitrous oxide analgesia services are being performed by the dental hygienist, personally authorizes and prescribes the use of local infiltration anesthesia or nitrous oxide analgesia for the patient and, before dismissal of the patient, personally examines the condition of the patient after the use of local infiltration anesthesia or nitrous oxide analgesia that is administered by the dental hygienist is completed.
(b) General provisions.
(3) The certificate issued pursuant to this section shall be issued for a three-year term and shall be renewable.
(c) Requirements for initial certification.
(2) Education and training requirement. For initial certification, the applicant shall complete a program registered pursuant to section 52.9(b) of this Title and offered by an institution which has programs that are registered by the department pursuant to Part 52 of this Title as leading to licensure in dentistry and/or dental hygiene; or equivalent educational preparation offered by an institution that has programs leading to licensure in dentistry and/or dental hygiene that are accredited by an acceptable accrediting body.
(d) Requirements for renewal of certification.
(a) Definitions.
As used in this section: