21 CFR 872.3260 - Cavity varnish.
(a)Identification. Cavity varnish is a device that consists of a compound intended to coat a prepared cavity of a tooth before insertion of restorative materials. The device is intended to prevent penetration of restorative materials, such as amalgam, into the dentinal tissue.
(b)Classification. Class II.
Title 21 published on 2015-12-03.
No entries appear in the Federal Register after this date, for 21 CFR Part 872.