(a) As used in this section:

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(1) “General supervision of a licensed dentist” means supervision that authorizes dental hygiene procedures to be performed with the knowledge of said licensed dentist, whether or not the dentist is on the premises when such procedures are being performed;

(2) “Public health facility” means an institution, as defined in section 19a-490, a community health center, a group home, a school, a preschool operated by a local or regional board of education, a head start program or a program offered or sponsored by the federal Special Supplemental Food Program for Women, Infants and Children, a senior center or a managed residential community, as defined in section 19a-693, a licensed child care center, as described in section 19a-77, or a temporary dental clinic, as defined in section 20-126c;

(3) The “practice of dental hygiene” means the performance of educational, preventive and therapeutic services including: Complete prophylaxis; the removal of calcareous deposits, accretions and stains from the supragingival and subgingival surfaces of the teeth by scaling, root planing and polishing; the application of pit and fissure sealants and topical solutions to exposed portions of the teeth; dental hygiene examinations and the charting of oral conditions; dental hygiene assessment, treatment planning and evaluation; the administration of local anesthesia in accordance with the provisions of subsection (d) of this section; taking alginate impressions of teeth, under the indirect supervision of a dentist, for use in study models, orthodontic appliances, whitening trays, mouth guards and fabrication of temporary crowns; and collaboration in the implementation of the oral health care regimen; and

(4) “Contact hour” means a minimum of fifty minutes of continuing education activity.

(b) No person shall engage in the practice of dental hygiene unless such person (1) has a dental hygiene license issued by the Department of Public Health and (A) is practicing under the general supervision of a licensed dentist, or (B) has been practicing as a licensed dental hygienist for at least two years, is practicing in a public health facility and complies with the requirements of subsection (e) of this section, or (2) has a dental license.

(c) A dental hygienist licensed under sections 20-126h to 20-126w, inclusive, shall be known as a “dental hygienist” and no other person shall assume such title or use the abbreviation “R.D.H.” or any other words, letters or figures which indicate that the person using such words, letters or figures is a licensed dental hygienist. Any person who employs or permits any other person except a licensed dental hygienist to practice dental hygiene shall be subject to the penalties provided in section 20-126t.

(d) A licensed dental hygienist may administer local anesthesia, limited to infiltration and mandibular blocks, under the indirect supervision of a licensed dentist, provided the dental hygienist can demonstrate successful completion of a course of instruction containing basic and current concepts of local anesthesia and pain control in a program accredited by the Commission on Dental Accreditation, or its successor organization, that includes: (1) Twenty hours of didactic training, including, but not limited to, the psychology of pain management; a review of anatomy, physiology, pharmacology of anesthetic agents, emergency precautions and management, and client management; instruction on the safe and effective administration of anesthetic agents; and (2) eight hours of clinical training which includes the direct observation of the performance of procedures. For purposes of this subsection, “indirect supervision” means a licensed dentist authorizes and prescribes the use of local anesthesia for a patient and remains in the dental office or other location where the services are being performed by the dental hygienist.

(e) A licensed dental hygienist shall not perform the following dental services: (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 medication which require the written or oral order of a licensed dentist or physician; (4) the administration of parenteral, inhalation or general anesthetic agents in connection with any dental operative procedure; (5) the taking of any impression of the teeth or jaws or the relationship of the teeth or jaws for the purpose of fabricating any appliance or prosthesis; (6) the placing, finishing and adjustment of temporary or final restorations, capping materials and cement bases.

(f) Each dental hygienist practicing in a public health facility shall (1) refer for treatment any patient with needs outside the dental hygienist’s scope of practice, and (2) coordinate such referral for treatment to dentists licensed pursuant to chapter 379.

(g) Each licensed dental hygienist applying for license renewal shall earn a minimum of sixteen contact hours of continuing education within the preceding twenty-four-month period, including, for registration periods beginning on and after October 1, 2016, at least one contact hour of training or education in infection control in a dental setting and, for registration periods beginning on and after October 1, 2017, at least one contact hour of training or education in cultural competency. The subject matter for continuing education shall reflect the professional needs of the licensee in order to meet the health care needs of the public. Continuing education activities shall provide significant theoretical or practical content directly related to clinical or scientific aspects of dental hygiene. Qualifying continuing education activities include, but are not limited to, courses, including on-line courses, that are offered or approved by dental schools and other institutions of higher education that are accredited or recognized by the Council on Dental Accreditation, a regional accrediting organization, the American Dental Association, a state, district or local dental association or society affiliated with the American Dental Association, the National Dental Association, the American Dental Hygienists Association or a state, district or local dental hygiene association or society affiliated with the American Dental Hygienists Association, the Academy of General Dentistry, the Academy of Dental Hygiene, the American Red Cross or the American Heart Association when sponsoring programs in cardiopulmonary resuscitation or cardiac life support, the United States Department of Veterans Affairs and armed forces of the United States when conducting programs at United States governmental facilities, a hospital or other health care institution, agencies or businesses whose programs are accredited or recognized by the Council on Dental Accreditation, local, state or national medical associations, or a state or local health department. Eight hours of volunteer dental practice at a public health facility, as defined in subsection (a) of this section, may be substituted for one contact hour of continuing education, up to a maximum of five contact hours in one two-year period. Activities that do not qualify toward meeting these requirements include professional organizational business meetings, speeches delivered at luncheons or banquets, and the reading of books, articles, or professional journals.

(h) Each licensee applying for license renewal pursuant to section 19a-88, except a licensee applying for a license renewal for the first time, shall sign a statement attesting that he or she has satisfied the continuing education requirements described in subsection (g) of this section on a form prescribed by the department. Each licensee shall retain records of attendance or certificates of completion that demonstrate compliance with the continuing education requirements described in subsection (g) of this section for not less than three years following the date on which the continuing education was completed or the license was renewed. Each licensee shall submit such records to the department for inspection not later than forty-five days after a request by the department for such records. A licensee who fails to comply with the provisions of this section may be subject to disciplinary action pursuant to section 20-126o.

(i) In individual cases involving medical disability or illness, the Commissioner of Public Health may grant a waiver of the continuing education requirements or an extension of time within which to fulfill the requirements of this subsection to any licensee, provided the licensee submits to the Department of Public Health an application for waiver or extension of time on a form prescribed by the commissioner, along with a certification by a licensed physician, a licensed physician assistant or a licensed advanced practice registered nurse of the disability or illness and such other documentation as may be required by the commissioner. The commissioner may grant a waiver or extension for a period not to exceed one registration period, except the commissioner may grant additional waivers or extensions if the medical disability or illness upon which a waiver or extension is granted continues beyond the period of the waiver or extension and the licensee applies for an additional waiver or extension.

(j) A licensee who is not engaged in active professional practice, in any form, during a registration period shall be exempt from the continuing education requirements, provided the licensee submits a notarized application for exemption on a form prescribed by the commissioner prior to the end of the registration period. A licensee who is exempt under the provisions of this subsection may not engage in professional practice until the licensee has met the continuing education requirements of this section.

(k) A licensee whose license has become void pursuant to section 19a-88 and who applies to the department for reinstatement of such license, shall: (1) Submit evidence of completion of a minimum of twenty-four contact hours of qualifying continuing education, as described in subsection (g) of this section, during the two-year period immediately preceding the application for reinstatement; or (2) for an applicant who has not been in the active practice of dental hygiene for more than two years, submit evidence of successful completion of the National Board Dental Hygiene Examination, the North East Regional Board of Dental Examiners Examination in Dental Hygiene or a refresher course approved by the department during the one-year period immediately preceding the application for reinstatement.

(l) No provision of this chapter shall be construed to prohibit a student of dental hygiene enrolled in a dental hygiene program, as described in section 20-126i, from performing dental hygiene work as a required component of his or her course of study in such program, provided the student (1) performs such work under the direct supervision of a dentist licensed pursuant to chapter 379 or a dental hygienist licensed pursuant to this chapter, (2) shall not hold himself or herself out as a licensed dental hygienist, and (3) shall not receive compensation for such work.