{"subjects": ["Dental hygiene", "Dental hygienists", "Dentistry", "Examination", "Examination questions", "Examinations, questions", "Preventive dentistry", "Outlines"], "key": "/works/OL6669735W", "title": "Review of dental hygiene", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1802473A"}}], "type": {"key": "/type/work"}, "covers": [4486294], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2009-12-10T19:32:48.877369"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-04T16:09:57.222891"}}