510(k) Report

510(k) · Cleared

Cleared

Kerator

K112787510(k) TraditionalCleared Aug 8, 2012317-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

Kj Meditech Co., Ltd. · NHA Abutment, Implant, Dental, Endosseous

Cleared on Aug 8, 2012 as substantially equivalent to K994257 (Zest Anchors, Inc., 2000) and 9 other predicates after a 317-day review. Its family tree reaches back 7 generations to 1990. 3 later devices descend from it.

Decided
Aug 8, 2012
Review
317 days
Class
Class II
Product code
NHA
Recalls
None
Predicates
10

Its longest line of descent runs back 7 generations to K894595 (1990). 46 ancestors in all, the oldest K894844 (1990). 3 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2010: 1 other ancestor2009: 1 other ancestor2005: 1 other ancestor2002: 3 other ancestors2000: 3 other ancestors1995: 3 other ancestors1993: 4 other ancestors2003: 4 other ancestors2001: 4 other ancestors1999: 2 other ancestors1997: 1 other ancestor1994: 3 other ancestors1998: 2 other ancestors1996: 5 other ancestors1990: 2 other ancestors2018: 1 descendant cleared2025: 1 descendant cleared2014: 1 descendant clearedK894595 · Bonefit R Screw Implants · Institut Straumann AG · 1990K984104 · Iti Dental Implant System · Straumann USA · 1999 · recalledK992937 · Dental Implant · Nobel Biocare Uas, Inc. · 2000 · recalled×2: 2 generations cleared close together, K013067 (2002), K021318 (2002) K032158 · Xive Dental Implant System Multiple · Friadent GmbH · 2003K033984 · Straumann Dental Implant System · Institut Straumann AG · 20041990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 9 other ancestors2 generations back: 10 other ancestors3 generations back: 17 other ancestors4 generations back: 2 other ancestors5 generations back: 1 other ancestor 1 generation forward: 3 descendants K033984 · Straumann Dental Implant System · Institut Straumann AG · 2004K032158 · Xive Dental Implant System Multiple · Friadent GmbH · 2003K021318 · Xive Dental Implant System · Friadent GmbH · 2002K013067 · Frialoc Dental Implant System · Friadent GmbH · 2002K992937 · Dental Implant · Nobel Biocare Uas, Inc. · 2000 · recalledK984104 · Iti Dental Implant System · Straumann USA · 1999 · recalledK894595 · Bonefit R Screw Implants · Institut Straumann AG · 1990−50
  1. Root · 7 generations backK894595 Bonefit R Screw ImplantsInstitut Straumann AG · 1990
  2. 6 generations backK984104 Iti Dental Implant SystemStraumann USA · 1999 · Recalled
  3. 5 generations backK992937 Dental ImplantNobel Biocare Uas, Inc. · 2000 · Recalled
  4. 4 generations backK013067 Frialoc Dental Implant SystemFriadent GmbH · 2002
  5. 3 generations backK021318 Xive Dental Implant SystemFriadent GmbH · 2002
  6. 2 generations backK032158 Xive Dental Implant System MultipleFriadent GmbH · 2003
  7. 1 generation backK033984 Straumann Dental Implant SystemInstitut Straumann AG · 2004
  8. This deviceK112787 KeratorKj Meditech Co., Ltd. · 2012
  9. Descendant · cites it directly · 0 of its ownK241183 ISO AbutmentSeum Medi Co., Ltd. · 2025
  10. Descendant · cites it directly · 0 of its ownK173141 CSM Submerged3-L Implant SystemCsm Implant · 2018
  11. Descendant · cites it directly · 0 of its ownK132144 KeratorLK Consulting Group USA, Inc. · 2014

Most influential descendants

Showing 3 of 3 · See all
  • K241183ISO AbutmentSeum Medi Co., Ltd. · 2025 · cites it directly0descendants
  • K173141CSM Submerged3-L Implant SystemCsm Implant · 2018 · cites it directly0descendants
  • K132144KeratorLK Consulting Group USA, Inc. · 2014 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K894595Bonefit R Screw ImplantsInstitut Straumann AG1990—
−6K984104Iti Dental Implant SystemStraumann USA19991
−5K992937Dental ImplantNobel Biocare Uas, Inc.20001
−4K013067Frialoc Dental Implant SystemFriadent GmbH2002—
−3K021318Xive Dental Implant SystemFriadent GmbH2002—
−2K032158Xive Dental Implant System MultipleFriadent GmbH2003—
−1K033984Straumann Dental Implant SystemInstitut Straumann AG2004—
0 (this device)K112787KeratorKj Meditech Co., Ltd.2012—
+1K241183ISO AbutmentSeum Medi Co., Ltd.2025—
+1K173141CSM Submerged3-L Implant SystemCsm Implant2018—
+1K132144KeratorLK Consulting Group USA, Inc.2014—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199020
199340
199430
199530
199650
199710
199820
199920
200030
200140
200230
200340
200510
200910
201010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201410
201810
202510
FIG. 1 — Lineage of K112787, 1990–2025Source: 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? (10)

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
*K994257Locator Implant Anchor
Summary page 1
…utment Product Code: NHA Classification regulation: 21CFR872.3630 4. Predicate Device: Locator Implant Anchor by Zest Anchors, Inc. (K994257) Branemark System 3.3mm Fixture by NOBELPHARMA USA, INC.(K944683) Branemark System 4.00 mum Fixture by NOBELP…
Zest Anchors, Inc.20002
*K944683Branemark System 3.3MM Fixture
Summary page 1
…FR872.3630 4. Predicate Device: Locator Implant Anchor by Zest Anchors, Inc. (K994257) Branemark System 3.3mm Fixture by NOBELPHARMA USA, INC.(K944683) Branemark System 4.00 mum Fixture by NOBELPHARMA USA, INC.(K925764) Branemark System 5.0 X W4rm Fixture by N…
Nobelpharma USA, Inc.1995—
*K925764Branemark System 4.00 MM Fixture
Summary page 1
…t Anchors, Inc. (K994257) Branemark System 3.3mm Fixture by NOBELPHARMA USA, INC.(K944683) Branemark System 4.00 mum Fixture by NOBELPHARMA USA, INC.(K925764) Branemark System 5.0 X W4rm Fixture by NOBELPHARMA USA, INC.(K92576 1) Astratech Implant System by ASTRA TEC…
Nobelpharma USA, Inc.1993—
*K925761Branemark System 5.0 X 14MM Fixture
Summary page 1
…A USA, INC.(K944683) Branemark System 4.00 mum Fixture by NOBELPHARMA USA, INC.(K925764) Branemark System 5.0 X W4rm Fixture by NOBELPHARMA USA, INC.(K92576 1) Astratech Implant System by ASTRA TECH AB (K091239) Replace Tiunite Endosseous Implant by NOBEL BIOCARE UAS…
Nobelpharma USA, Inc.1993—
*K091239Astra Tech Implant System
Summary page 1
…e by NOBELPHARMA USA, INC.(K925764) Branemark System 5.0 X W4rm Fixture by NOBELPHARMA USA, INC.(K92576 1) Astratech Implant System by ASTRA TECH AB (K091239) Replace Tiunite Endosseous Implant by NOBEL BIOCARE UAS INC (K023 113) 4.5.* 6.0mm Dental Implant and 6.0*6.…
Astra Tech AB2009—
*K023113Replace Tiunite Endosseous Implant
Summary page 1
…e by NOBELPHARMA USA, INC.(K92576 1) Astratech Implant System by ASTRA TECH AB (K091239) Replace Tiunite Endosseous Implant by NOBEL BIOCARE UAS INC (K023 113) 4.5.* 6.0mm Dental Implant and 6.0*6.0 mm Dental Implant by BICON, INC.( K050712) Bicon Dental Implant Syste…
Nobel Biocare Uas, Inc.200227
*K0507124.5.* 6.0MM Dental Implant and 6.0*6.0 MM Dental Implant
Summary page 1
…1239) Replace Tiunite Endosseous Implant by NOBEL BIOCARE UAS INC (K023 113) 4.5.* 6.0mm Dental Implant and 6.0*6.0 mm Dental Implant by BICON, INC.( K050712) Bicon Dental Implant System 3.0mm Bicon Dental Implant (K101849) 51 0(k) Submission.…
Bicon, Inc.2005—
*K101849Bicon Dental Implant System 3.0MM Bicon Dental Implant
Summary page 1
…(K023 113) 4.5.* 6.0mm Dental Implant and 6.0*6.0 mm Dental Implant by BICON, INC.( K050712) Bicon Dental Implant System 3.0mm Bicon Dental Implant (K101849) 51 0(k) Submission. 5 10(k) summary. 1/3 page Parago…
Bicon, LLC2010—
*K953101Paragon Implant SystemCore-Vent Bio-Engineering, Inc.1995—
*K033984Straumann Dental Implant System
Summary page 2
…summary. 1/3 page Paragon Implant System by CORE-VENT BlO-ENOINEERINQ INC. (K953 I0I) ITI Dental Implant System by INSTITUT STRAUMANN AG (K033984) 5. Description: The devices covered in this submission are abutments which are placed into the dental imp…
Institut Straumann AG2004—

Also cleared against K994257: 6 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K241183ISO AbutmentSeum Medi Co., Ltd.20250
K173141CSM Submerged3-L Implant SystemCsm Implant20180
K132144KeratorLK Consulting Group USA, Inc.20140

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 22 years and passes through 5 companies; a new generation was cleared every 1.1 years on median.
  • 4 of the 46 ancestors have a recall of any class.
  • Of its descendants, K241183 (Seum Medi Co., Ltd., 2025) has gone furthest, with 0 descendants of its own.
  • 6 other devices also cite its predicate K994257.

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. 2012, 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?

The Kerator is appropriate for use with overdentures or partial dentures retained in whole or in part by endosseoius implants in the mandible or maxilla. The Kerator is compatible with the following fixtures. Kerator Model No. — Fixture Description — Manufacturer B331 - B337 — Branemark 3.3 Type — NOBELPHARMA USA, INC. B401 - B407 — Branemark 4.0 Type — NOBELPHARMA USA, INC. B501 - B507 — Branemark 5.0 Type — NOBELPHARMA USA, INC. AS351 - AS357 — Astra…

Read the full statement (194 words)

The Kerator is appropriate for use with overdentures or partial dentures retained in whole or in part by endosseoius implants in the mandible or maxilla.

The Kerator is compatible with the following fixtures.

Kerator Model No. — Fixture Description — Manufacturer

B331 - B337 — Branemark 3.3 Type — NOBELPHARMA USA, INC.

B401 - B407 — Branemark 4.0 Type — NOBELPHARMA USA, INC.

B501 - B507 — Branemark 5.0 Type — NOBELPHARMA USA, INC.

AS351 - AS357 — Astra 3.5 Type — ASTRA TECH AB

AS401 - AS407 — Astra 4.0 Type — ASTRA TECH AB

G400 - G406 — Astra 4.0 Type — ASTRA TECH AB

SRS350 - SRS356 — Replace 3.5 Type — Nobel Biocare USA, Inc.

SRS450 - SRS457 — Replace 4.3 Type — Nobel Biocare USA, Inc.

SRS500 - SRS506 — Replace 5.0 Type — Nobel Biocare USA, Inc.

BC201 - BC207 — Bicon 2.0 Type — BICON, INC.

BC301 - BC307 — Bicon 3.0 Type — BICON, INC.

PA350 - PA356 — Paragon 3.5 Type — CORE-VENT ENGINEERING, INC.

PA450 - PA456 — Paragon 4.5 Type — CORE-VENT ENGINEERING, INC.

T40 — ITI 4.0 Type — INSTITUT STRAUMANN AG

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K112787: Kerator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K112787

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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