When authorized by and under the general supervision of a licensed dentist, a licensed dental hygienist may perform the following intra and extra oral procedures and functions: (1) Oral prophylaxis, periodontal scaling, and root planing which includes supragingival and subgingival debridement; (2) Polish all exposed tooth surfaces, including restorations; (3) Conduct and assess preliminary charting, probing, screening examinations, and indexing of dental and periodontal disease, with referral, when appropriate, for a dental diagnosis by a licensed dentist; (4) Brush biopsies; (5) Pulp vitality testing; (6) Gingival curettage; (7) Removal of sutures; (8) Preventive measures, including the application of fluorides, sealants, and other recognized topical agents for the prevention of oral disease; (9) Impressions for study casts; (10) Application of topical and subgingival agents; (11) Radiographic exposures; (12) Oral health education, including conducting workshops and inservice training sessions on dental health; (13) Application or administration of antimicrobial rinses, fluorides, and other anticariogenic agents; (14) Upon completion of education and testing approved by the board, interim therapeutic restoration technique; and (15) All of the duties that a dental assistant who is not licensed is authorized to perform. Upon completion of education and testing approved by the board and when authorized by and under the general supervision of a licensed dentist, a licensed dental hygienist may write prescriptions for mouth rinses and fluoride products that help decrease the risk for tooth decay.
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