510(k) · Cleared
ClearedLOCATOR Angled Abutment (Various)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Zest Anchors, LLC · NHA Abutment, Implant, Dental, Endosseous
Cleared on Jun 3, 2024 as substantially equivalent to K213391 (Zest Anchors, LLC, 2022) after a 208-day review. Its family tree reaches back 15 generations to 1990. 4 later devices descend from it.
- Decided
- Jun 3, 2024
- Review
- 208 days
- Class
- Class II
- Product code
- NHA
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 15 generations to K894595 (1990). 154 ancestors in all, the oldest K781060 (1978). 4 later devices descend from it, 1 citing it directly.
- Root · 15 generations backK894595 Bonefit R Screw ImplantsInstitut Straumann AG · 1990
- 11 generations between
- 3 generations backK150295 LOCATOR RTxZest Anchors, Inc. · 2015
- 2 generations backK151789 LOCATOR F-Tx Attachment SystemZest Anchors, LLC · 2016
- 1 generation backK213391 High Retention Attachment SystemZest Anchors, LLC · 2022
- This deviceK233587 LOCATOR Angled Abutment (Various)Zest Anchors, LLC · 2024
- Descendant · cites it directly · 3 of its ownK243272 LOCATOR Angled AbutmentZest Anchors, LLC · 2025
- Descendant · 2 generations on · 2 of its ownK250721 LOCATOR® Angled AbutmentZest Anchors, LLC · 2025
- Descendant · 3 generations on · 1 of its ownK252944 LOCATOR® Angled AbutmentZest Anchors, LLC · 2025
- Descendant · 4 generations on · 0 of its ownK260555 LOCATOR® Angled AbutmentZest Anchors, LLC · 2026
Show all 15 generations
- Root · 15 generations backK894595 Bonefit R Screw ImplantsInstitut Straumann AG · 1990
- 14 generations backK984104 Iti Dental Implant SystemStraumann USA · 1999 · Recalled
- 13 generations backK993595 Nobel Biocare's Modified Surface Implant (Intended for Immediate…Nobel Biocare Uas, Inc. · 2000
- 12 generations backK023113 Replace Tiunite Endosseous ImplantNobel Biocare Uas, Inc. · 2002 · Recalled
- 11 generations backK041661 Nobel Biocare Endosseous ImplantsNobel Biocare Uas, Inc. · 2004
- 10 generations backK050258 Groovy ImplantsNobel Biocare AB · 2005 · Recalled
- 9 generations backK061003 SFB & CFB ImplantsNobel Biocare AB · 2006
- 8 generations backK071370 Nobelactive Internal Connection ImplantNobel Biocare AB · 2007 · Recalled
- 7 generations backK101732 Astra Tech Implant SystemAstra Tech AB · 2011
- 6 generations backK111287 Astra Tech Implant SystemAstra Tech AB · 2011
- 5 generations backK112138 Atlantis Abutment in Zirconia for Astra Tech Osseospeed Plus ImplantAstra Tech, Inc. · 2011
- 4 generations backK120414 Osseospeed PlusAstra Tech AB · 2012
- 3 generations backK150295 LOCATOR RTxZest Anchors, Inc. · 2015
- 2 generations backK151789 LOCATOR F-Tx Attachment SystemZest Anchors, LLC · 2016
- 1 generation backK213391 High Retention Attachment SystemZest Anchors, LLC · 2022
- This deviceK233587 LOCATOR Angled Abutment (Various)Zest Anchors, LLC · 2024
Most influential descendants
Showing 4 of 4 · See all- K243272LOCATOR Angled AbutmentZest Anchors, LLC · 2025 · cites it directly3descendants
- K250721LOCATOR® Angled AbutmentZest Anchors, LLC · 2025 · 2 generations on2descendants
- K252944LOCATOR® Angled AbutmentZest Anchors, LLC · 2025 · 3 generations on1descendant
- K260555LOCATOR® Angled AbutmentZest Anchors, LLC · 2026 · 4 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −15 | K894595 | Bonefit R Screw Implants | Institut Straumann AG | 1990 | — |
| −14 | K984104 | Iti Dental Implant System | Straumann USA | 1999 | 1 |
| −13 | K993595 | Nobel Biocare's Modified Surface Implant (Intended for Immediate Loading Upon… | Nobel Biocare Uas, Inc. | 2000 | — |
| −12 | K023113 | Replace Tiunite Endosseous Implant | Nobel Biocare Uas, Inc. | 2002 | 27 |
| −11 | K041661 | Nobel Biocare Endosseous Implants | Nobel Biocare Uas, Inc. | 2004 | — |
| −10 | K050258 | Groovy Implants | Nobel Biocare AB | 2005 | 28 |
| −9 | K061003 | SFB & CFB Implants | Nobel Biocare AB | 2006 | — |
| −8 | K071370 | Nobelactive Internal Connection Implant | Nobel Biocare AB | 2007 | 4 |
| −7 | K101732 | Astra Tech Implant System | Astra Tech AB | 2011 | — |
| −6 | K111287 | Astra Tech Implant System | Astra Tech AB | 2011 | — |
| −5 | K112138 | Atlantis Abutment in Zirconia for Astra Tech Osseospeed Plus Implant | Astra Tech, Inc. | 2011 | — |
| −4 | K120414 | Osseospeed Plus | Astra Tech AB | 2012 | — |
| −3 | K150295 | LOCATOR RTx | Zest Anchors, Inc. | 2015 | — |
| −2 | K151789 | LOCATOR F-Tx Attachment System | Zest Anchors, LLC | 2016 | — |
| −1 | K213391 | High Retention Attachment System | Zest Anchors, LLC | 2022 | — |
| 0 (this device) | K233587 | LOCATOR Angled Abutment (Various) | Zest Anchors, LLC | 2024 | — |
| +1 | K243272 | LOCATOR Angled Abutment | Zest Anchors, LLC | 2025 | — |
| +2 | K250721 | LOCATOR® Angled Abutment | Zest Anchors, LLC | 2025 | — |
| +3 | K252944 | LOCATOR® Angled Abutment | Zest Anchors, LLC | 2025 | — |
| +4 | K260555 | LOCATOR® Angled Abutment | Zest Anchors, LLC | 2026 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1978 | 1 | 0 |
| 1982 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 11 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 11 | 0 |
| 2003 | 7 | 0 |
| 2004 | 5 | 0 |
| 2005 | 4 | 0 |
| 2006 | 1 | 0 |
| 2007 | 6 | 0 |
| 2008 | 4 | 0 |
| 2009 | 3 | 0 |
| 2010 | 5 | 0 |
| 2011 | 3 | 0 |
| 2012 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2025 | 3 | 0 |
| 2026 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in NHA? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new NHA device
- #1 K222288 DESS Dental Smart Solutionsscore 30.7 · 19 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (1)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K213391 | High Retention Attachment SystemSummary page 5…10(k) Number Locator High Retention Attachment System (LOCATOR FIXED): Zest Anchors, LLC K213391 Reference Devices 510(k) Number Straumann BLX Line Extension - New Ab… | 2022 |
| † | K190040 | Straumann BLX Line Extension - New Abutments | 2019 |
| † | K072878 | Modification to: Locator Implant Anchor | 2007 |
| † | K173961 | Straumann BLX Implant System | 2018 |
| † | K181703 | Straumann BLX Line Extension - Implants, SRAs and Anatomic Abutments | 2018 |
| † | K210855 | Straumann BLX Implant System | 2021 |
| † | K212533 | BLX WB Ø5.0 (L18), Ø5.5 and Ø6.5 mm (L14 and L16) Implants | 2022 |
What descends from it? (4)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K243272 | LOCATOR Angled Abutment | 2025 | 3 |
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 34 years and passes through 8 companies; a new generation was cleared every 1.2 years on median.
- 16 of the 154 ancestors have a recall of any class.
- Of its descendants, K243272 (Zest Anchors, LLC, 2025) has gone furthest, with 3 descendants of its own.
- 1 other device also cites its predicate K213391.
How does its category compare?
All NHA devicesNHA Abutment, Implant, Dental, Endosseous: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.
FDA decisions per year · NHA
40in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · NHA
147in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · NHA
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · NHA
838in 2025
MAUDE reports naming product code NHA, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 38 | 91 | 1 | 1 |
| 2008 | 31 | 90 | 2 | 8 |
| 2009 | 30 | 95 | 0 | 30 |
| 2010 | 19 | 162 | 0 | 61 |
| 2011 | 31 | 130 | 5 | 56 |
| 2012 | 25 | 171 | 1 | 5 |
| 2013 | 22 | 184 | 1 | 143 |
| 2014 | 27 | 160 | 0 | 146 |
| 2015 | 29 | 151 | 1 | 858 |
| 2016 | 38 | 202 | 36 | 314 |
| 2017 | 31 | 188 | 2 | 577 |
| 2018 | 31 | 200 | 1 | 591 |
| 2019 | 28 | 160 | 0 | 530 |
| 2020 | 38 | 153 | 7 | 458 |
| 2021 | 29 | 211 | 0 | 546 |
| 2022 | 33 | 142 | 0 | 497 |
| 2023 | 51 | 147 | 3 | 618 |
| 2024 | 43 | 158 | 0 | 635 |
| 2025 | 40 | 147 | 1 | 838 |
| 2026 | 23 | 169 | 3 | — |
What is it indicated for?
The LOCATOR Angled Abutment is indicated for the attachment of full or partial, fixed and
removable, restorations retained by endosseous implants to restore masticatory function for
the patient.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K233587 · printed Nov 4, 2026
Cite this page
510(k) Report. “K233587: LOCATOR Angled Abutment (Various).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K233587
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026