# K170950: Well-Root ST

- Pathway: 510(k) (Traditional)
- Applicant: Vericom Co., Ltd.
- Decided: Dec 20, 2017 after 264 days
- Product code: KIF (Resin, Root Canal Filling)
- Device class: 2
- Regulation: 21 CFR 872.3820
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K960548 (1996). 1 ancestor in all.
2 later devices descend from it; 2 cite it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K960548: AH Plus Root Canal Sealer, Dentsply Intl. (1996) Summary page 4.

## Most influential descendants
- K232182: One-Fil (2024), 0 descendants of its own
- K200175: DIA-ROOT BIO Sealer (2020), 0 descendants of its own

## Indications for use
Permanent sealing of root canal

Source page: https://510kreport.com/device/K170950
Methodology: https://510kreport.com/methodology