---
kind: "section"
citation: "21 C.F.R. § 872.3910"
title: "21"
number: "872.3910"
heading: "Backing and facing for an artificial tooth."
url: "https://uscodex.org/cfr/21/872.3910"
---

# §872.3910. Backing and facing for an artificial tooth.

- (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.
- (b) **Classification.** Class I (general controls). The device is exempt from the premarket notification procedures in [subpart E of part 807](/cfr/21/part807-subpartE.md) of this chapter subject to the limitations in [§ 872.9](/cfr/21/872.9.md).

## Notes

### Amendments

[52 FR 30097, Aug. 12, 1987, as amended at 59 FR 63008, Dec. 7, 1994; 66 FR 38799, July 25, 2001]

### Authority

Authority: 21 U.S.C. 351, 360, 360c, 360e, 360j, 360 l, 371.

### Source

Source: 52 FR 30097, Aug. 12, 1987, unless otherwise noted.

### Amendments

[52 FR 30097, Aug. 12, 1987, as amended at 59 FR 63008, Dec. 7, 1994; 66 FR 38799, July 25, 2001]