# K120103: Rest Assured Generation Iii Dental Protector

- Pathway: 510(k) (Special)
- Applicant: Ranir, LLC
- Decided: Feb 3, 2012 after 22 days
- Product code: OBR (Mouthguard, Over-The-Counter)
- Device class: U
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 5 generations back to K882303 (1989). 13 ancestors in all.
No later device cites it as a predicate yet.
0 of 14 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K091792: Rest Assured Generation II Dental Protector, Ranir Corporation (2009) Summary page 2.
- K063483: Den Tek Nightguard, Den Tek Oral Care, Inc. (2007) Summary page 2.

## Indications for use
The Rest Assured Generation III Dental Protector is indicated for use for protection against bruxism or nighttime teeth grinding. The device is intended to reduce damage to the teeth and to prevent the noise associated with bruxing or grinding.

Source page: https://510kreport.com/device/K120103
Methodology: https://510kreport.com/methodology