Be it enacted by the Senate and House of Representatives in General Court assembled, and by the authority of the same, as follows:

SECTION 1. Section 7 of chapter 94C of the General Laws, as appearing in the 2002 Official Edition, is hereby amended by inserting after the word "nurse", in line 74, the second time it appears, the following words:- or a licensed dental hygienist under the supervision of a practitioner as defined in section 1 for the purposes of administering local anesthesia agents only.

SECTION 2. Paragraph (a) of section 9 of said chapter 94C, as so appearing, is hereby amended by adding the following paragraph:-

A practitioner, as defined in section 1, may cause controlled substances to be administered under his direction by a licensed dental hygienist, for the purposes of local anesthesia only.

SECTION 3. Paragraph (c) of said section 9 of said chapter 94C, as so appearing, is hereby amended by adding the following paragraph:-

A licensed dental hygienist who has obtained a controlled substance from a practitioner, as defined in section 1, for dispensing to an ultimate user pursuant to paragraph (a) shall return to such practitioner any unused portion of the substance which is no longer required by the patient.

SECTION 4. Section 51 of chapter 112 of the General Laws, as so appearing, is hereby amended by inserting after the word "rootplaning", in line 25, the following words:- as well as the administration of local anesthesia agents.