{"data":{"id":"us/21-cfr-872.3910","jurisdiction":"us","citation":"21 CFR 872.3910","heading":"Backing and facing for an artificial tooth.","body":"(a) Identification. A backing and facing for an artificial tooth is a device intended for use in fabrication of a fixed or removable dental appliance, such as a crown or bridge. The backing, which is made of gold, is attached to the dental appliance and supports the tooth-colored facing, which is made of porcelain or plastic.\n(b) Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 872.9.","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":"eb8b441532d6511576a5da82bdbca4e24dcf758f07823e589038cd3954f5c803","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-872.3900","next":"us/21-cfr-872.3920"},"notice":"GroundRules: Original legal text. Not legal advice."}