{"data":{"id":"us/21-cfr-872.4535","jurisdiction":"us","citation":"21 CFR 872.4535","heading":"Dental diamond instrument.","body":"(a) Identification. A dental diamond instrument is an abrasive device intended to smooth tooth surfaces during the fitting of crowns or bridges. The device consists of a shaft which is inserted into a handpiece and a head which has diamond chips imbedded into it. Rotation of the diamond instrument provides an abrasive action when it contacts a tooth.\n(b) Classification. Class I. The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter.","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 E—Surgical 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":"8b8ea1f8c74174d7eb59818f275b1458e9e3274e123537cc8cae6388ccdbad2f","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-872.4475","next":"us/21-cfr-872.4565"},"notice":"GroundRules: Original legal text. Not legal advice."}