Regulations last checked for updates: Feb 13, 2026

Title 21 - Food and Drugs last revised: Dec 18, 2026
Searching within: All TitlesTitle 21Chapter IPart 872Subpart D - Subpart D—Prosthetic Devices
§ 872.3300 - Hydrophilic resin coating for dentures.

(a) Identification. A hydrophilic resin coating for dentures is a device that consists of a water-retaining polymer that is intended to be applied to the base of a denture before the denture is inserted into the patient's mouth to improve denture retention and comfort.

(b) Classification. Class II (special 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.

[52 FR 30097, Aug. 12, 1987, as amended at 84 FR 71812, Dec. 30, 2019]
authority: 21 U.S.C. 351,360,360c,360e,360j,360
source: 52 FR 30097, Aug. 12, 1987, unless otherwise noted.
cite as: 21 CFR 872.3300