{"data":{"id":"us/21-cfr-872.3250","jurisdiction":"us","citation":"21 CFR 872.3250","heading":"Calcium hydroxide cavity liner.","body":"(a) Identification. A calcium hydroxide cavity liner is a device material intended to be applied to the interior of a prepared cavity before insertion of restorative material, such as amalgam, to protect the pulp of a tooth.\n(b) Classification. Class II.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER H—MEDICAL DEVICES","PART 872—DENTAL DEVICES","Subpart D—Prosthetic Devices"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"1d76e0da1baa06fbf2e44e099c12c27c7b30b144585415d92a385127dda9b04f","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-872.3240","next":"us/21-cfr-872.3260"},"notice":"GroundRules: Original legal text. Not legal advice."}