21 CFR §872.1820
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
- (a)Identification. A dental x-ray exposure alignment device is a device intended to position x-ray film and to align the examination site with the x-ray beam.
- (b)Classification. Class I (general 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.