# K121688: Multi-Unit Abutments with Angulations 17 and 30 for Tapered Implant System

- Pathway: 510(k) (Traditional)
- Applicant: Prismatik Dentalcraft, Inc.
- Decided: Oct 12, 2012 after 127 days
- Product code: NHA (Abutment, Implant, Dental, Endosseous)
- Device class: 2
- Regulation: 21 CFR 872.3630
- 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 K111853 (2011). 1 ancestor in all.
7 later devices descend from it; 1 cites it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K111853: Angled Tapered Abutment, Zimmer Dental, Inc. (2011) Summary page 3.

## Most influential descendants
- K140728: Mpi - Molecular Precision Implant, Cpi - Cylindrical Precision Implant, Opi - One Piece Implant, Dental Abutments and PR (2014), 6 descendants of its own
- K203240: AccelX Abutments (2021), 2 descendants of its own
- K252585: ZENEX Implant System_R-System (2026), 1 descendant of its own
- K161497: Dental Implants and Abutments (2016), 1 descendant of its own
- K253334: ZENEX Implant System_Short (R-System) (2026), 0 descendants of its own

## Indications for use
Inclusive Multi-Unit Abutments are prosthetic components directly connected to endosseous dental implants and intended to provide support and retention* for multi-unit screw-retained restorations. The 30-degree multi-unit abutments must be used within 45 degrees of parallelism for a splinted restoration. The 17-degree multi-unit abutments must be used within 32 degrees of parallelism for a splinted restoration.

Source page: https://510kreport.com/device/K121688
Methodology: https://510kreport.com/methodology