# K220252: High Retention Attachment System

- Pathway: 510(k) (Special)
- Applicant: Zest Anchors, LLC
- Decided: Apr 14, 2022 after 73 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 K894595 (1990). 154 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 156 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K213391: High Retention Attachment System, Zest Anchors, LLC (2022) Summary page 5.

## Most influential descendants
- K231132: J & P Click Attachments (2024), 0 descendants of its own

## Indications for use
The High Retention Attachment System is designed to support fixed, partial or full arch restorations on endosseous dental implants in the mandible or maxilla for the purpose of restoring masticatory function. It is used in fixed hybrid restorations that can be attached with a snap-in system. The High Retention Attachment System is compatible with the following implants: Implant Manufacturer Implant System Implant Diameter Ace Surgical Infinity OCTAGON 3.3, 4.1, 4.8 Infinity TRI-CAM 3.5, 4.3, 5.0 Infinity Internal Hex 3.7, 4.1, 4.7, 5.1 BioHorizons Tapered Internal 3.0 Tapered Plus 3.8 Laser-Lok 3.0 Biomet 3i 3iT3, NanoTite, OSSEOTITE 3.25, 3.75, 4.0 Blue Sky Bio Quattro 3.3, 4.1, 4.8 One Stage 3.3, 4.1, 4.8 Camlog SCREW-LINE ROOT-LINE 2 3.3, 3.8, 4.3, 5.0 SCREW-LINE 3.3, 3.8, 4.3, 5.0 Dentsply Astra Tech OsseoSpeed EV 3.6, 4.2, 4.8 Xive Frialit-2 3.4, 3.8, 4.5, 5.5 Ankylos C/X 3.5 Astra Tech OsseoSpeed TX 3.5, 4.0, 4.5, 5.0 Hiossen, Inc. SS 3.5, 4.0, 4.5 ET, TS 3.5, 4.0, 4.5, 5.0, 6.0, 7.0 US 3.5, 3.3, 4.5, 4.0, 5.0, 6.0, 7.0 Implant Direct Swish Plus 4.1, 4.8 SwishTapered 4.1, 4.8 InterActive 3.2, 3.7, 4.3, 5.0 ReActive 3.7, 4.2, 4.7, 5.7 RePlant 3.5, 4.3, 5.0 Legacy 1, 2, 3, 4 3.7, 4.2 Legacy 2, 3, 4 3.2, 4.7, 5.2 Legacy 1, 3 5.7 Legacy 2, 4 5.7, 7.0 Legacy 1 4.7 IDS MegaGen Any Ridge 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0 Keystone PrimaConnex 3.5, 4.1, 5.0 Genesis 3.5 TILOBEMAXX 7.0, 8.0, 9.0 MIS C1 3.3, 3.75, 4.2 V3 3.3, 3.9, 4.3, 5.0 SEVEN 3.3 M4 3.3 Nobel Replace, Replace Select, NobelSpeedy 3.5, 4.3, 5.0 NobelActive, NobelParallel CC, NobelReplace CC 3.5, 4.3, 5.5 Branemark, Nobel Speedy, Groovy 3.3, 3.75, 4.0, 5.0 OCO Biomedical Engage 3.25, 4.0, 5.0 Southern Implants Tri-Nex 3.5, 4.3, 5.0 Tri-MAX7 7.0 Straumann Roxolid SLActive, Roxolid SLA 3.3, 4.1, 4.8 Zest Dental Solutions Locator Overdenture Implant System 2.4, 2.9, 3.5, 3.9, 4.4, 4.9 Zimmer Dental Trabecular Metal, Tapered Screw-Vent, Screw-Vent, 3.7, 4.1, 4.7, 6.0 Advent Spline Reliance Cylinder 3.25, 4.0, 5.0 Spline Twist 3.75

Source page: https://510kreport.com/device/K220252
Methodology: https://510kreport.com/methodology