510(k) Report

510(k) · Cleared

Cleared

Osstem Abutment System

K182091510(k) TraditionalCleared Jul 12, 2019343-day reviewClass II21 CFR 872.3630

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Osstem Implant Co., Ltd. · NHA Abutment, Implant, Dental, Endosseous

Cleared on Jul 12, 2019 as substantially equivalent to K161689 (Osstem Implant Co., Ltd., 2017) and 8 other predicates after a 343-day review. Its family tree reaches back 14 generations to 1990. 30 later devices descend from it.

Decided
Jul 12, 2019
Review
343 days
Class
Class II
Product code
NHA
Recalls
None
Predicates
9

Its longest line of descent runs back 14 generations to K894595 (1990). 229 ancestors in all, the oldest K781060 (1978). 30 later devices descend from it, 11 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2017: 1 other ancestor2015: 1 other ancestor2014: 2 other ancestors2012: 5 other ancestors2008: 10 other ancestors2006: 8 other ancestors2013: 1 other ancestor2010: 8 other ancestors2009: 5 other ancestors2007: 12 other ancestors2011: 6 other ancestors2004: 10 other ancestors2003: 13 other ancestors2002: 17 other ancestors2001: 10 other ancestors2000: 5 other ancestors1999: 10 other ancestors1998: 7 other ancestors1994: 10 other ancestors2005: 7 other ancestors1997: 8 other ancestors1995: 10 other ancestors1988: 1 other ancestor1996: 14 other ancestors1990: 6 other ancestors1993: 12 other ancestors1989: 5 other ancestors1987: 2 other ancestors1986: 2 other ancestors1992: 3 other ancestors1985: 1 other ancestor1982: 1 other ancestor1978: 1 other ancestor1991: 1 other ancestor2020: 2 descendants cleared2022: 3 descendants cleared2023: 8 descendants cleared2024: 8 descendants cleared2026: 5 descendants cleared2025: 4 descendants clearedReference device: K160519 · Link Abutment for CEREC · Osstem Implant Co., Ltd. · 2016K894595 · Bonefit R Screw Implants · Institut Straumann AG · 1990K984104 · Iti Dental Implant System · Straumann USA · 1999 · recalledK993595 · Nobel Biocare's Modified Surface Implant (Intended for Immediate Loading Upon Placement) · Nobel Biocare Uas, Inc. · 2000K011879 · 3A Dental Implant System · Osseco Biosource, Ltd. · 2002K051576 · Avana Dental Implant System · Osstem Co., Ltd. · 2005K062051 · SS System · Osstem Implant Co., Ltd. · 2006×3: 3 generations cleared close together, K063861 (2007), K073247 (2008), K081575 (2008) K100245 · HS/HG Prosthetic System · Osstem Implant Co., Ltd. · 2010K110308 · Prosthetic System · Osstem Implant Co., Ltd. · 2011K123755 · Multi Angled Abutment · Osstem Implant Co., Ltd. · 2013K132067 · Multi Angled Abutment System · Hiossen, Inc. · 2013K160670 · ET US SS Prosthetic system · Osstem Implant Co., Ltd. · 201719801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 6 other ancestors2 generations back: 12 other ancestors3 generations back: 33 other ancestors4 generations back: 34 other ancestors5 generations back: 41 other ancestors6 generations back: 33 other ancestors7 generations back: 26 other ancestors8 generations back: 7 other ancestors9 generations back: 3 other ancestors10 generations back: 11 other ancestors11 generations back: 8 other ancestors12 generations back: 1 other ancestor 1 generation forward: 11 descendants2 generations forward: 17 descendants3 generations forward: 2 descendants K160670 · ET US SS Prosthetic system · Osstem Implant Co., Ltd. · 2017K132067 · Multi Angled Abutment System · Hiossen, Inc. · 2013K123755 · Multi Angled Abutment · Osstem Implant Co., Ltd. · 2013K110308 · Prosthetic System · Osstem Implant Co., Ltd. · 2011K100245 · HS/HG Prosthetic System · Osstem Implant Co., Ltd. · 2010K081575 · HU/HS/HG Prosthetic System · Osstem Implant Co., Ltd. · 2008K073247 · US/SS/GS System · Osstem Implant Co., Ltd. · 2008K063861 · GS System · Osstem Implant Co., Ltd. · 2007K062051 · SS System · Osstem Implant Co., Ltd. · 2006K051576 · Avana Dental Implant System · Osstem Co., Ltd. · 2005K011879 · 3A Dental Implant System · Osseco Biosource, Ltd. · 2002K993595 · Nobel Biocare's Modified Surface Implant (Intended for Immediate Loading Upon Placement) · Nobel Biocare Uas, Inc. · 2000K984104 · Iti Dental Implant System · Straumann USA · 1999 · recalledK894595 · Bonefit R Screw Implants · Institut Straumann AG · 1990−10−50
  1. Root · 14 generations backK894595 Bonefit R Screw ImplantsInstitut Straumann AG · 1990
  2. 10 generations between
  3. 3 generations backK123755 Multi Angled AbutmentOsstem Implant Co., Ltd. · 2013
  4. 2 generations backK132067 Multi Angled Abutment SystemHiossen, Inc. · 2013
  5. 1 generation backK160670 ET US SS Prosthetic systemOsstem Implant Co., Ltd. · 2017
  6. This deviceK182091 Osstem Abutment SystemOsstem Implant Co., Ltd. · 2019
  7. Descendant · cites it directly · 8 of its ownK211090 ZENEX Implant SystemIzenimplant Co., Ltd. · 2022
  8. Descendant · cites it directly · 7 of its ownK203360 EK Implants and Abutments SystemHiossen, Inc. · 2022
  9. Descendant · cites it directly · 6 of its ownK200817 URIS OMNI Narrow System & ProstheticTruabutment, Inc. · 2020
  10. Descendant · cites it directly · 2 of its ownK233194 TS Abutment SystemOsstem Implant Co., Ltd. · 2024
  11. Descendant · cites it directly · 2 of its ownK221866 S-Plant Dental Implant SystemNewton Implant Systems, Inc. · 2024
Show all 14 generations
  1. Root · 14 generations backK894595 Bonefit R Screw ImplantsInstitut Straumann AG · 1990
  2. 13 generations backK984104 Iti Dental Implant SystemStraumann USA · 1999 · Recalled
  3. 12 generations backK993595 Nobel Biocare's Modified Surface Implant (Intended for Immediate…Nobel Biocare Uas, Inc. · 2000
  4. 11 generations backK011879 3A Dental Implant SystemOsseco Biosource, Ltd. · 2002
  5. 10 generations backK051576 Avana Dental Implant SystemOsstem Co., Ltd. · 2005
  6. 9 generations backK062051 SS SystemOsstem Implant Co., Ltd. · 2006
  7. 8 generations backK063861 GS SystemOsstem Implant Co., Ltd. · 2007
  8. 7 generations backK073247 US/SS/GS SystemOsstem Implant Co., Ltd. · 2008
  9. 6 generations backK081575 HU/HS/HG Prosthetic SystemOsstem Implant Co., Ltd. · 2008
  10. 5 generations backK100245 HS/HG Prosthetic SystemOsstem Implant Co., Ltd. · 2010
  11. 4 generations backK110308 Prosthetic SystemOsstem Implant Co., Ltd. · 2011
  12. 3 generations backK123755 Multi Angled AbutmentOsstem Implant Co., Ltd. · 2013
  13. 2 generations backK132067 Multi Angled Abutment SystemHiossen, Inc. · 2013
  14. 1 generation backK160670 ET US SS Prosthetic systemOsstem Implant Co., Ltd. · 2017
  15. This deviceK182091 Osstem Abutment SystemOsstem Implant Co., Ltd. · 2019

Showing 5 of 30 descendants. See all descendants

Descendants cleared per year

2020: 22022: 32023: 82024: 82025: 42026: 5
2020high 8 (2023) · low 0 (2021)2026

Most influential descendants

Showing 5 of 30 · See all
  • K211090ZENEX Implant SystemIzenimplant Co., Ltd. · 2022 · cites it directly8descendants
  • K203360EK Implants and Abutments SystemHiossen, Inc. · 2022 · cites it directly7descendants
  • K200817URIS OMNI Narrow System & ProstheticTruabutment, Inc. · 2020 · cites it directly6descendants
  • K233194TS Abutment SystemOsstem Implant Co., Ltd. · 2024 · cites it directly2descendants
  • K221866S-Plant Dental Implant SystemNewton Implant Systems, Inc. · 2024 · cites it directly2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−14K894595Bonefit R Screw ImplantsInstitut Straumann AG1990—
−13K984104Iti Dental Implant SystemStraumann USA19991
−12K993595Nobel Biocare's Modified Surface Implant (Intended for Immediate Loading Upon…Nobel Biocare Uas, Inc.2000—
−11K0118793A Dental Implant SystemOsseco Biosource, Ltd.2002—
−10K051576Avana Dental Implant SystemOsstem Co., Ltd.2005—
−9K062051SS SystemOsstem Implant Co., Ltd.2006—
−8K063861GS SystemOsstem Implant Co., Ltd.2007—
−7K073247US/SS/GS SystemOsstem Implant Co., Ltd.2008—
−6K081575HU/HS/HG Prosthetic SystemOsstem Implant Co., Ltd.2008—
−5K100245HS/HG Prosthetic SystemOsstem Implant Co., Ltd.2010—
−4K110308Prosthetic SystemOsstem Implant Co., Ltd.2011—
−3K123755Multi Angled AbutmentOsstem Implant Co., Ltd.2013—
−2K132067Multi Angled Abutment SystemHiossen, Inc.2013—
−1K160670ET US SS Prosthetic systemOsstem Implant Co., Ltd.2017—
0 (this device)K182091Osstem Abutment SystemOsstem Implant Co., Ltd.2019—
+1K211090ZENEX Implant SystemIzenimplant Co., Ltd.2022—
+1K203360EK Implants and Abutments SystemHiossen, Inc.2022—
+1K200817URIS OMNI Narrow System & ProstheticTruabutment, Inc.2020—
+1K233194TS Abutment SystemOsstem Implant Co., Ltd.2024—
+1K221866S-Plant Dental Implant SystemNewton Implant Systems, Inc.2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197810
198210
198510
198620
198720
198810
198950
199060
199110
199230
1993120
1994100
1995100
1996140
199780
199870
1999100
200050
2001100
2002170
2003130
2004100
200570
200680
2007120
2008100
200950
201080
201160
201250
201310
201420
201510
201710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202020
202230
202380
202480
202540
202650
FIG. 1 — Lineage of K182091, 1990–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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. #1 K222288 DESS Dental Smart Solutionsscore 30.6 · 19 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (9)

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.

TypeNumberDeviceApplicantDecidedRecalls
*K161689OSSTEM Implant System - Abutment
Summary page 4
…21 CFR 872.3630 Device Classification Class II Product Code NHA 3. Predicate Device Primary Predicate K161689 OSSTEM Implant System - Abutment, Osstem Implant Co., Ltd. Reference Predicates K160670…
Osstem Implant Co., Ltd.20172
*K120847ET/SS Implant System
Summary page 4
…Hiossen Prosthetic System, Osstem Implant Co., Ltd. K132067 Multi Angled Abutment System, Osstem Implant Co., Ltd. K120847 ET/SS Implant System, Osstem Implant Co., Ltd. K080594 MS System (Narrow R…
Osstem Implant Co., Ltd.2012—
*K140507Hiossen Prosthetic System
Summary page 4
…em K160519 Link Abutment for CEREC, Osstem Implant Co., Ltd. K150295 LOCATOR RTx, Zest Anchors, Inc. K140507 Hiossen Prosthetic System, Osstem Implant Co., Ltd. K132067 Multi Angled A…
Osstem Implant Co., Ltd.2014—
*K063861GS System
Summary page 4
…7 ET/SS Implant System, Osstem Implant Co., Ltd. K080594 MS System (Narrow Ridge), Osstem Implant Co., Ltd. K063861 GS System, Osstem Implant Co., Ltd. K062030 US System, Osstem Implant Co.,…
Osstem Implant Co., Ltd.2007—
*K150295LOCATOR RTx
Summary page 4
…dicates K160670 ET US SS Prosthetic System K160519 Link Abutment for CEREC, Osstem Implant Co., Ltd. K150295 LOCATOR RTx, Zest Anchors, Inc. K140507 Hiossen Prosthetic System, Osstem…
Zest Anchors, Inc.2015—
*K132067Multi Angled Abutment System
Summary page 4
…K150295 LOCATOR RTx, Zest Anchors, Inc. K140507 Hiossen Prosthetic System, Osstem Implant Co., Ltd. K132067 Multi Angled Abutment System, Osstem Implant Co., Ltd. K120847 ET/SS Impla…
Hiossen, Inc.2013—
*K062030US System
Summary page 4
…K080594 MS System (Narrow Ridge), Osstem Implant Co., Ltd. K063861 GS System, Osstem Implant Co., Ltd. K062030 US System, Osstem Implant Co., Ltd. QS-QI-505-7(Rev.0) - 1 / 26 -…
Osstem Implant Co., Ltd.2006—
*K160670ET US SS Prosthetic system
Summary page 4
…te Device Primary Predicate K161689 OSSTEM Implant System - Abutment, Osstem Implant Co., Ltd. Reference Predicates K160670 ET US SS Prosthetic System K160519 Link Abutment for CEREC, Osstem Implant…
Osstem Implant Co., Ltd.2017—
*K080594MS System (Narrow Ridge)
Summary page 4
…Multi Angled Abutment System, Osstem Implant Co., Ltd. K120847 ET/SS Implant System, Osstem Implant Co., Ltd. K080594 MS System (Narrow Ridge), Osstem Implant Co., Ltd. K063861 GS System, Osst…
Osstem Implant Co., Ltd.2008—
†K160519Link Abutment for CERECOsstem Implant Co., Ltd.2016—

Also cleared against K161689: 12 other devices →

What descends from it? (30)

See all 30

11 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K211090ZENEX Implant SystemIzenimplant Co., Ltd.20228
K203360EK Implants and Abutments SystemHiossen, Inc.20227
K200817URIS OMNI Narrow System & ProstheticTruabutment, Inc.20206
K233194TS Abutment SystemOsstem Implant Co., Ltd.20242
K221866S-Plant Dental Implant SystemNewton Implant Systems, Inc.20242
K232560Angled AbutmentArum Dentistry Co., Ltd.20231
K251427EK Multi Angled 30 AbutmentHiossen, Inc.20260
K231429S-Plant Dental Implant SystemIdis Co., Ltd.20230
K222636ET Abutment SystemHiossen, Inc.20230
K221684Osstem Abutment SystemOsstem Implant Co., Ltd.20220

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 29 years and passes through 7 companies; a new generation was cleared every 1.6 years on median.
  • 25 of the 229 ancestors have a recall of any class.
  • Of its descendants, K211090 (Izenimplant Co., Ltd., 2022) has gone furthest, with 8 descendants of its own.
  • 12 other devices also cite its predicate K161689.

How does its category compare?

All NHA devices

NHA Abutment, Implant, Dental, Endosseous: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · NHA

40in 2025

2007: 382008: 312009: 302010: 192011: 312012: 252013: 222014: 272015: 292016: 382017: 312018: 312019: 282020: 382021: 292022: 332023: 512024: 432025: 402026 (partial year): 23
2007high 51 (2023) · low 19 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NHA

147in 2025

2007: 91 days median2008: 90 days median2009: 95 days median2010: 162 days median2011: 130 days median2012: 171 days median2013: 184 days median2014: 160 days median2015: 151 days median2016: 202 days median2017: 188 days median2018: 200 days median2019: 160 days median2020: 153 days median2021: 211 days median2022: 142 days median2023: 147 days median2024: 158 days median2025: 147 days median2026 (partial year): 169 days median
2007high 211 (2021) · low 90 (2008)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · NHA

1in 2025

2007: 12008: 22011: 52012: 12013: 12015: 12016: 362017: 22018: 12020: 72023: 32025: 12026 (partial year): 3
2007high 36 (2016) · low 0 (2009)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · NHA

838in 2025

2007: 12008: 82009: 302010: 612011: 562012: 52013: 1432014: 1462015: 8582016: 3142017: 5772018: 5912019: 5302020: 4582021: 5462022: 4972023: 6182024: 6352025: 838
2007high 858 (2015) · low 1 (2007)2025

MAUDE reports naming product code NHA, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007389111
2008319028
20093095030
201019162061
201131130556
20122517115
2013221841143
2014271600146
2015291511858
20163820236314
2017311882577
2018312001591
2019281600530
2020381537458
2021292110546
2022331420497
2023511473618
2024431580635
2025401471838
2026231693—

What is it indicated for?

Osstem Abutment System is intended for use with a dental implant to provide support for prosthetic restorations such as crowns, bridges, or overdentures. • Link Abutment for CEREC The Link Abutment for CEREC is titanium alloy abutments placed onto OSSTEM dental implants to provide support for customized prosthetic restorations. Link Abutment for CEREC is indicated for screw-retained single tooth or cement-retained single tooth and bridge restorations.…

Read the full statement (136 words)

Osstem Abutment System is intended for use with a dental implant to provide support for prosthetic restorations such as crowns, bridges, or overdentures.

• Link Abutment for CEREC

The Link Abutment for CEREC is titanium alloy abutments placed onto OSSTEM dental implants to provide support for customized prosthetic restorations. Link Abutment for CEREC is 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 Link abutment for CEREC is to be scanned using Sirona CEREC AC or CEREC AF or CEREC AI, designed using Sirona inLab software (Version 3.65) or Sirona CEREC Software (Version 4.2) and manufactured using a Sirona CEREC or inLab MC X or MC XL milling unit. CAD/CAM manufacturing/milling occurs at dental laboratories per the design limitations of the Sirona CEREC.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K182091: Osstem Abutment System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K182091

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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