# K931767: Astra Tech Implants-Dental System

- Pathway: 510(k) (Traditional)
- Applicant: Astra Tech, Inc.
- Decided: Feb 8, 1994 after 306 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.
573 later devices descend from it; 13 cite it directly.
0 of 574 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
- K974738: Astra Tech Implant Dental System (1998), 543 descendants of its own
- K991053: Astra Tech Implants - Dental System: New Fixtures (Micromacro) (1999), 426 descendants of its own
- K990304: Modification to Astra Tech Implant - Dental System (1999), 424 descendants of its own
- K980698: Astra Tech Implants - Dental System (1998), 424 descendants of its own
- K024111: Astra Tech Implants-Dental System Fixture Osseospeed (2003), 423 descendants of its own

Source page: https://510kreport.com/device/K931767
Methodology: https://510kreport.com/methodology