# K133423: Rest Assured Extra Comfort Nite Protector

- Pathway: 510(k) (Special)
- Applicant: Ranir, LLC
- Decided: Dec 20, 2013 after 42 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 K022809 (2003). 18 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 20 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K112879: Rest Assured Ready to Wear Nite Protector, Ranir, LLC (2012) Summary page 2.
- K091792: Rest Assured Generation II Dental Protector, Ranir Corporation (2009) Summary page 2.
- K073220: The Doctor's Nightguard Advanced Comfort, Prestige Brands, Inc. (2007) Summary page 2.

## Most influential descendants
- K232238: Goyo Mouthpiece S (2024), 0 descendants of its own

## Indications for use
The Rest Assured® Extra Comfort Nite Protector is indicated 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 teeth grinding.

Source page: https://510kreport.com/device/K133423
Methodology: https://510kreport.com/methodology