21 CFR § 872.3680 - Polytetrafluoroethylene (PTFE) vitreous carbon materials.

---
identifier: "/us/cfr/t21/s872.3680"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 872.3680 - Polytetrafluoroethylene (PTFE) vitreous carbon materials."
title_number: 21
title_name: "Food and Drugs"
section_number: "872.3680"
section_name: "Polytetrafluoroethylene (PTFE) vitreous carbon materials."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "H"
subchapter_name: "MEDICAL DEVICES"
part_number: "872"
part_name: "DENTAL DEVICES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 351, 360, 360c, 360e, 360j, 360 371."
regulatory_source: "52 FR 30097, Aug. 12, 1987, unless otherwise noted."
cfr_part: "872"
---


# 872.3680 Polytetrafluoroethylene (PTFE) vitreous carbon materials.

(a) *Identification.* Polytetrafluoroethylene (PTFE) vitreous carbon material is a device composed of polytetrafluoroethylene (PTFE) vitreous carbon intended for use in maxillofacial alveolar ridge augmentation (building up the upper or lower jaw area that contains the sockets in which teeth are rooted) or intended to coat metal surgical implants to be placed in the alveoli (sockets in which the teeth are rooted) or the temporomandibular joints (the joint between the upper and lower jaws).

(b) *Classification.* Class II.

[52 FR 30097, Aug. 12, 1987; 52 FR 34456, Sept. 11, 1987]