# K141871: Straumann Bone Level NC Angled Screw Retained Abutments

- Pathway: 510(k) (Special)
- Applicant: Straumann USA, LLC
- Decided: Aug 7, 2014 after 27 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: 10 generations back to K894595 (1990). 71 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 74 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K133421: Straumann Magellan (TM) Abutment,Protective Cap,Titanium Copings,Gold Chopings,Basal Screw, Straumann USA, LLC (2014) Summary page 4.

## Most influential descendants
- K152509: CAMLOG and CONELOG Abutments for Screw-retained Restorations (ASR) (2016), 0 descendants of its own
- K151247: NC Straumann Screw Retained Abutments (2015), 0 descendants of its own

## Indications for use
The Straumann® Screw Retained Abutments are indicated to be placed into the implants of the Straumann® Dental Implant System to provide support for prosthetic reconstructions such as crowns, bridges and bars. The final processed devices have the purpose of restoring chewing function. Straumann® Screw Retained Abutments are indicated for screw-retained restorations.

Source page: https://510kreport.com/device/K141871
Methodology: https://510kreport.com/methodology
