# K900099: The O-Ring System - Ors

- Pathway: 510(k) (Traditional)
- Applicant: Attachments Intl., Inc.
- Decided: Jan 15, 1991 after 372 days
- Product code: DZE (Implant, Endosseous, Root-Form)
- Device class: 2
- Regulation: 21 CFR 872.3640
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
1 later device descends from it; 1 cites it directly.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K133791: Ora 0.4MM [S], Ora 1.0MM [S], Ora 2.0MM [S], Ora 3.0MM [S], Ora 4.0MM [S] (2014), 0 descendants of its own

Source page: https://510kreport.com/device/K900099
Methodology: https://510kreport.com/methodology