Connecticut General Statutes
Chapter 379 - Dentistry
Section 20-112a. - Dental assistants and expanded function dental assistants.

(a) As used in this section:

(1) “Direct supervision” means a licensed dentist has authorized certain procedures to be performed on a patient by a dental assistant or an expanded function dental assistant with such dentist remaining on-site in the dental office or treatment facility while such procedures are being performed by the dental assistant or expanded function dental assistant and that, prior to the patient's departure from the dental office, such dentist reviews and approves the treatment performed by the dental assistant or expanded function dental assistant;
(2) “Indirect supervision” means a licensed dentist is in the dental office or treatment facility, has personally diagnosed the condition, planned the treatment, authorized the procedures to be performed and remains in the dental office or treatment facility while the procedures are being performed by the dental assistant or expanded function dental assistant and evaluates the performance of the dental assistant or expanded function dental assistant;
(3) “Dental assistant” means a person who: (A) Has (i) completed on-the-job training in dental assisting under direct supervision, (ii) successfully completed a dental assistant education program accredited by the American Dental Association's Commission on Dental Accreditation, or (iii) successfully completed a dental assistant education program that is accredited or recognized by any national or regional accrediting agency recognized by the United States Department of Education; and (B) meets any requirements established by the Commissioner of Public Health in regulations adopted pursuant to subsection (f) of this section;
(4) “Expanded function dental assistant” means a dental assistant who has passed the Dental Assisting National Board's certified dental assistant or certified orthodontic assistant examination and then successfully completed: (A) An expanded function dental assistant program at an institution of higher education that is accredited by the Commission on Dental Accreditation of the American Dental Association that includes (i) educational courses relating to didactic and laboratory preclinical objectives for skills used by an expanded function dental assistant and that requires demonstration of such skills prior to advancing to clinical practice, (ii) not less than four hours of education in the area of ethics and professional standards for dental professionals, and (iii) a comprehensive clinical examination administered by the institution of higher education at the conclusion of such program; and (B) a comprehensive written examination concerning certified preventive functions and certified restorative functions administered by the Dental Assisting National Board; and
(5) “Fluoride varnish treatment” means the application of a highly concentrated form of fluoride to the surface of the teeth.
(b) Each expanded function dental assistant shall: (1) Maintain dental assistant or orthodontic assistant certification from the Dental Assisting National Board; (2) conspicuously display his or her dental assistant or orthodontic assistant certificate at his or her place of employment or place where he or she provides expanded function dental assistant services; (3) maintain professional liability insurance or other indemnity against liability for professional malpractice in an amount not less than five hundred thousand dollars for one person, per occurrence, with an aggregate liability of not less than one million five hundred thousand dollars while employed as an expanded function dental assistant; (4) provide expanded function dental assistant services only under direct or indirect supervision; and (5) meet any requirements established by the Commissioner of Public Health in regulations adopted pursuant to subsection (f) of this section.
(c) (1) A licensed dentist may delegate to dental assistants such dental procedures as the dentist may deem advisable, including: (A) The taking of dental x-rays if the dental assistant can demonstrate successful completion of the dental radiation health and safety examination administered by the Dental Assisting National Board; (B) the taking of impressions of teeth for study models; and (C) the provision of fluoride varnish treatments. Such procedures shall be performed under the direct supervision of a licensed dentist and the dentist providing direct supervision shall assume responsibility for such procedures.
(2) A licensed dentist may delegate to an expanded function dental assistant such dental procedures as the dentist may deem advisable, including: (A) The placing, finishing and adjustment of temporary restorations and long-term individual fillings, capping materials and cement bases; (B) oral health education for patients; (C) dental sealants; (D) coronal polishing, provided the procedure is not represented or billed as prophylaxis; (E) administration of topical anesthetic under the direct supervision of the dentist prior to the administration of local anesthetic by a dentist or dental hygienist; and (F) taking alginate impressions of teeth, under the direct supervision of the dentist, for use in study models, orthodontic appliances, whitening trays, mouth guards or fabrication of temporary crowns. Such procedures shall be performed under either direct or indirect supervision, except as specifically provided in this subdivision, and the dentist providing such supervision shall assume responsibility for such procedures.
(3) (A) No licensed dentist may delegate dental procedures to a dental assistant or expanded function dental assistant unless the dental assistant or expanded function dental assistant provides records demonstrating successful completion of the Dental Assisting National Board's infection control examination or an infection control competency assessment administered by a dental education program in the state that is accredited by the American Dental Association's Commission on Dental Accreditation, except as provided in subdivision (2) of this subsection, (B) a dental assistant may receive not more than fifteen months of on-the-job training by a licensed dentist for purposes of preparing the dental assistant for the infection control examination or infection control competency assessment, and (C) any licensed dentist who delegates dental procedures to a dental assistant shall retain and make such records available for inspection upon request of the Department of Public Health.
(4) On and after January 1, 2018, upon successful completion of the Dental Assisting National Board's infection control examination or an infection control competency assessment administered by a dental education program in the state that is accredited by the American Dental Association's Commission on Dental Accreditation, each dental assistant or expanded function dental assistant shall complete not less than one hour of training or education in infection control in a dental setting every two years, including, but not limited to, courses, including online courses, offered or approved by a dental school or another institution of higher education that is accredited or recognized by the Commission on Dental Accreditation, a regional accrediting organization, the American Dental Association or a state, district or local dental association or society affiliated with the American Dental Association or the American Dental Assistants Association.
(d) Except as provided in subsection (c) of this section, under no circumstances may a dental assistant or expanded function dental assistant engage in: (1) Diagnosis for dental procedures or dental treatment; (2) the cutting or removal of any hard or soft tissue or suturing; (3) the prescribing of drugs or medications that require the written or oral order of a licensed dentist or physician; (4) the administration of local, parenteral, inhalation or general anesthetic agents in connection with any dental operative procedure; (5) the taking of any final impression of the teeth or jaws or the relationship of the teeth or jaws for the purpose of fabricating any appliance or prosthesis; or (6) the practice of dental hygiene as defined in section 20-126l.
(e) Each licensed dentist employing or otherwise engaging the services of an expanded function dental assistant shall: (1) Prior to hiring or otherwise engaging the services of the expanded function dental assistant, verify that the expanded function dental assistant meets the requirements described in subdivision (4) of subsection (a) and subdivisions (1) and (3) of subsection (b) of this section; (2) maintain documentation verifying that the expanded function dental assistant meets such requirements on the premises where the expanded function dental assistant provides services; (3) make such documentation available to the Department of Public Health upon request; and (4) provide direct or indirect supervision to not more than two expanded function dental assistants who are providing services at one time or, if the dentist's practice is limited to orthodontics, provide direct or indirect supervision to not more than four expanded function dental assistants who are providing services at one time.
(f) The Commissioner of Public Health, in consultation with the State Dental Commission, established pursuant to section 20-103a, may adopt regulations in accordance with the provisions of chapter 54 to implement the provisions of this section. Such regulations, if adopted, shall include, but need not be limited to, identification of the: (1) Specific types of procedures that may be performed by a dental assistant and an expanded function dental assistant, consistent with the provisions of this section; (2) appropriate number of didactic, preclinical and clinical hours or number of procedures to be evaluated for clinical competency for each skill employed by an expanded function dental assistant; and (3) the level of supervision, that may include direct or indirect supervision, that is required for each procedure to be performed by an expanded function dental assistant.
(P.A. 73-399, S. 1; P.A. 92-35, S. 5; June Sp. Sess. P.A. 98-1, S. 19, 121; P.A. 05-213, S. 6; P.A. 16-66, S. 38; P.A. 17-44, S. 1; 17-146, S. 43; P.A. 18-168, S. 83, 84; P.A. 19-56, S. 13.)
History: P.A. 92-35 substituted “dental” for “trained” assistants, amended Subdiv. (1) to remove reference to treatment planning or any procedures requiring professional's judgment and skill and to include dental procedures or dental treatment, amended Subdiv. (4) to remove reference to injected local anesthetic of any nature and replace it with local, parenteral, inhalation or general anesthetic agents in connection with any dental operative procedure and amended Subdiv. (7) by replacing removal of calcareous deposits, accretions and stains from the surfaces of teeth or the polishing of teeth with the practice of dental hygiene as defined in Sec. 20-111; June Sp. Sess. P.A. 98-1 made a technical change, effective June 24, 1998; P.A. 05-213 authorized dental assistants who pass dental radiography portion of exam prescribed by Dental Assisting National Board to take dental x-rays under supervision and control of dentist and made technical changes; P.A. 16-66 added Subsec. (a) defining “direct supervision”, “indirect supervision”, “dental assistant” and “expanded function dental assistant”, added Subsec. (b) re requirements for expanded function dental assistants, designated existing provisions re delegation to dental assistants as Subsec. (c)(1) and amended same to make technical changes, add provisions re taking impressions of teeth for study models as Subpara. (B) and add provisions re procedures to be performed under dentist's direct supervision, added Subsec. (c)(2) re delegation to expanded function dental assistant, (3) re prohibitions on delegation to dental assistant or expanded function dental assistant and (4) re training or education in infection control, designated existing provisions re prohibited practices as Subsec. (d) and amended same to add reference to expanded function dental assistants, replace “impression” with “final impression” in Subdiv. (5), delete former Subdiv. (6) re restorations, capping materials and cement bases and redesignate existing Subdiv. (7) re practice of dental hygiene as Subdiv. (6), added Subsec. (e) re dentist employing or engaging services of expanded function dental assistant and added Subsec. (f) re adoption of regulations; P.A. 17-44 amended Subsec. (a)(3) to replace “the New England Association of Schools and Colleges” with “any national or regional accrediting agency recognized by the United States Department of Education”, effective June 13, 2017; P.A. 17-146 amended Subsec. (c)(3) by replacing “January” with “July”, effective June 30, 2017; P.A. 18-168 amended Subsec. (a) by adding Subdiv. (5) defining “fluoride varnish treatment” and making a technical change, and amended Subsec. (c)(1) by adding Subpara. (C) re provision of fluoride varnish treatments and making technical changes; P.A. 19-56 amended Subsec. (c) by adding “of a licensed dentist” re direct supervision in Subdiv. (1), adding Subpara. (E) re administration of topical anesthetic, adding Subpara. (F) re taking alginate impressions of teeth, and adding “except as specifically provided in this subdivision” in Subdiv. (2), deleting reference to July 1, 2018, adding provision re infection control competency assessment in Subdiv. (3)(A), replacing “nine months” with “fifteen months”, deleting reference to Dental Assisting National Board and adding “or infection control competency assessment” in Subdiv. (3)(B), and adding provision re infection control competency assessment in Subdiv. (4), amended Subsec. (d) by adding reference to exception in Subsec. (c), and further amended Subsecs. (c) and (d) by making technical changes, effective July 1, 2019.