# K170356: Straumann Variobase Abutments

- Pathway: 510(k) (Traditional)
- Applicant: Institut Straumann AG
- Decided: Jun 7, 2017 after 121 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: 15 generations back to K894844 (1990). 188 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 191 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K142890: Straumann Variobase Abutment NNC, Straumann Variobase Abutment RN, Straumann Variobase Abutment WN, Straumann Variobase Abutment NC, Straumann Variobase Abutment RC, IPS e.max CAD MO Coping, IPS e.max CAD LT Crown, IPS e.max CAD HT Crown, coron CoCr Single Unit, Straumann USA, LLC (2015) Summary page 4.

## Most influential descendants
- K222836: Straumann® Variobase® Abutments and Straumann® n!ce® Zirconia discs (2023), 0 descendants of its own
- K173945: Straumann SC Variobase Abutments (2018), 0 descendants of its own

## Indications for use
The Straumann® Variobase® Abutment is a titanium base glaced onto Straumann dental implants to provide support for customized prosthetic restorations. Straumann Variobase® Abutments are indicated for screw-retained single tooth or cement-retained single tooth and bridge restorations. All digitally designed copings and/or crowns for use with the Straumann® Variobase” Abutment system are intended to be sent to Straumann for manufacture at a validated milling center.

Source page: https://510kreport.com/device/K170356
Methodology: https://510kreport.com/methodology