ICMS Dental. Dental Hygienist Job Description. Summary: Performs a variety of clinical oral health procedures, oral health education and record keeping duties. Provide high quality, compassionate, patient centered care as part of a dental team. Perform dental prophylaxis treatment by scaling and polishing teeth. Perform non-surgical periodontal treatment (scaling and root planing) and periodontal therapy. Administer local anesthetic under the dir...