[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR878.3550] [Page 365] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 878--GENERAL AND PLASTIC SURGERY DEVICES--Table of Contents Subpart D--Prosthetic Devices Sec. 878.3550 Chin prosthesis. (a) Identification. A chin prosthesis is a silicone rubber solid device intended to be implanted to augment or reconstruct the chin. (b) Classification. Class II.