510(k) Report

510(k) · Cleared

Cleared

ZENEX Implant System_Short (R-System)

K253334510(k) TraditionalCleared Mar 16, 2026167-day reviewClass II21 CFR 872.3640

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

Izenimplant Co., Ltd. · DZE Implant, Endosseous, Root-Form

Cleared on Mar 16, 2026 as substantially equivalent to K233163 (Izenimplant Co., Ltd., 2023) and 1 other predicate after a 167-day review. Its family tree reaches back 20 generations to 1996.

Decided
Mar 16, 2026
Review
167 days
Class
Class II
Product code
DZE
Recalls
None
Predicates
2

Its longest line of descent runs back 20 generations to K960026 (1996). 422 ancestors in all, the oldest K781060 (1978). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2023: 2 other ancestors2022: 2 other ancestors2018: 1 other ancestor2013: 7 other ancestors2020: 2 other ancestors2019: 2 other ancestors2017: 3 other ancestors2016: 2 other ancestors2014: 7 other ancestors2012: 12 other ancestors2010: 16 other ancestors2007: 32 other ancestors2015: 3 other ancestors2011: 15 other ancestors2009: 18 other ancestors2008: 29 other ancestors2006: 26 other ancestors2005: 18 other ancestors2004: 21 other ancestors2003: 19 other ancestors2002: 20 other ancestors2001: 18 other ancestors2000: 11 other ancestors1999: 12 other ancestors1994: 14 other ancestors1998: 8 other ancestors1997: 7 other ancestors1996: 17 other ancestors1995: 15 other ancestors1990: 7 other ancestors1988: 1 other ancestor1993: 14 other ancestors1992: 5 other ancestors1989: 5 other ancestors1991: 3 other ancestors1987: 2 other ancestors1986: 2 other ancestors1985: 1 other ancestor1982: 1 other ancestor1978: 1 other ancestor1984: 1 other ancestorReference device: K211090 · ZENEX Implant System · Izenimplant Co., Ltd. · 2022K960026 · Biohorizons Dental Implant System · BioHorizons Implant Systems, Inc. · 1996K964330 · Biohorizons Dental Implant System (Name Subject to Change) · BioHorizons Implant Systems, Inc. · 1997K972313 · The Maestro System · BioHorizons Implant Systems, Inc. · 1997×4: 4 generations cleared close together, K020133 (2002), K020645 (2002), K022795 (2002), K030463 (2003) K032351 · The Maestro System 3.0MM Diameter Implant · BioHorizons Implant Systems, Inc. · 2003K041938 · Maximus OS (Overdenture System) · BioHorizons Implant Systems, Inc. · 2004 · recalledK063364 · Alpha Bio Dental Implant System · Alpha-Bio Tec, Ltd. · 2007K081653 · Mdi Mii One-Piece Implant, 2.9MM · Imtec Corp. · 2008 · recalledK123022 · Neodent Implant System · Jjgc Industria E Comercio DE Materiais Dentarios S · 2013×2: 2 generations cleared close together, K133510 (2014), K133592 (2014) K150367 · Neodent Implant System · Jjgc Industria E Comercio DE Materiais Dentarios S · 2015K170588 · DESS Dental Smart Solutions · Terrats Medical SL · 2017K173908 · DESS Dental Smart Solutions · Terrats Medical SL · 2018K191986 · DESS Dental Smart Solutions · Terrats Medical SL · 2019K203240 · AccelX Abutments · Integrated Dental Systems, LLC · 2021K252585 · ZENEX Implant System_R-System · Izenimplant Co., Ltd. · 202619801990200020102020
Other ancestors, by generation 1 generation back: 1 other ancestor2 generations back: 5 other ancestors3 generations back: 15 other ancestors4 generations back: 25 other ancestors5 generations back: 63 other ancestors6 generations back: 100 other ancestors7 generations back: 81 other ancestors8 generations back: 64 other ancestors9 generations back: 36 other ancestors10 generations back: 12 other ancestors K252585 · ZENEX Implant System_R-System · Izenimplant Co., Ltd. · 2026K203240 · AccelX Abutments · Integrated Dental Systems, LLC · 2021K191986 · DESS Dental Smart Solutions · Terrats Medical SL · 2019K173908 · DESS Dental Smart Solutions · Terrats Medical SL · 2018K170588 · DESS Dental Smart Solutions · Terrats Medical SL · 2017K150367 · Neodent Implant System · Jjgc Industria E Comercio DE Materiais Dentarios S · 2015K133592 · Neodent Implant System, Titamax TI EX Acqua and TI Drive Acqua, Titamax Smart EX Acqua and Drive Smart Acqua, Titamax CM · Neodent USA, Inc. · 2014K133510 · Neodent Implant System · Jj Industria E Comercio DE Materiais Dentarios SA · 2014K123022 · Neodent Implant System · Jjgc Industria E Comercio DE Materiais Dentarios S · 2013K081653 · Mdi Mii One-Piece Implant, 2.9MM · Imtec Corp. · 2008 · recalledK063364 · Alpha Bio Dental Implant System · Alpha-Bio Tec, Ltd. · 2007K041938 · Maximus OS (Overdenture System) · BioHorizons Implant Systems, Inc. · 2004 · recalledK032351 · The Maestro System 3.0MM Diameter Implant · BioHorizons Implant Systems, Inc. · 2003K030463 · Modification to the Maestro System · BioHorizons Implant Systems, Inc. · 2003 · recalledK022795 · Modification to the Maestro System · BioHorizons Implant Systems, Inc. · 2002K020645 · Modification to the Maestro System · BioHorizons Implant Systems, Inc. · 2002K020133 · Modification to the Maestro System · BioHorizons Implant Systems, Inc. · 2002K972313 · The Maestro System · BioHorizons Implant Systems, Inc. · 1997K964330 · Biohorizons Dental Implant System (Name Subject to Change) · BioHorizons Implant Systems, Inc. · 1997K960026 · Biohorizons Dental Implant System · BioHorizons Implant Systems, Inc. · 1996−20−15−10−50
  1. Root · 20 generations backK960026 Biohorizons Dental Implant SystemBioHorizons Implant Systems, Inc. · 1996
  2. 16 generations between
  3. 3 generations backK191986 DESS Dental Smart SolutionsTerrats Medical SL · 2019
  4. 2 generations backK203240 AccelX AbutmentsIntegrated Dental Systems, LLC · 2021
  5. 1 generation backK252585 ZENEX Implant System_R-SystemIzenimplant Co., Ltd. · 2026
  6. This deviceK253334 ZENEX Implant System_Short (R-System)Izenimplant Co., Ltd. · 2026
Show all 20 generations
  1. Root · 20 generations backK960026 Biohorizons Dental Implant SystemBioHorizons Implant Systems, Inc. · 1996
  2. 19 generations backK964330 Biohorizons Dental Implant System (Name Subject to Change)BioHorizons Implant Systems, Inc. · 1997
  3. 18 generations backK972313 The Maestro SystemBioHorizons Implant Systems, Inc. · 1997
  4. 17 generations backK020133 Modification to the Maestro SystemBioHorizons Implant Systems, Inc. · 2002
  5. 16 generations backK020645 Modification to the Maestro SystemBioHorizons Implant Systems, Inc. · 2002
  6. 15 generations backK022795 Modification to the Maestro SystemBioHorizons Implant Systems, Inc. · 2002
  7. 14 generations backK030463 Modification to the Maestro SystemBioHorizons Implant Systems, Inc. · 2003 · Recalled
  8. 13 generations backK032351 The Maestro System 3.0MM Diameter ImplantBioHorizons Implant Systems, Inc. · 2003
  9. 12 generations backK041938 Maximus OS (Overdenture System)BioHorizons Implant Systems, Inc. · 2004 · Recalled
  10. 11 generations backK063364 Alpha Bio Dental Implant SystemAlpha-Bio Tec, Ltd. · 2007
  11. 10 generations backK081653 Mdi Mii One-Piece Implant, 2.9MMImtec Corp. · 2008 · Recalled
  12. 9 generations backK123022 Neodent Implant SystemJjgc Industria E Comercio DE Materiais Dentarios S · 2013
  13. 8 generations backK133510 Neodent Implant SystemJj Industria E Comercio DE Materiais Dentarios SA · 2014
  14. 7 generations backK133592 Neodent Implant System, Titamax TI EX Acqua and TI Drive Acqua…Neodent USA, Inc. · 2014
  15. 6 generations backK150367 Neodent Implant SystemJjgc Industria E Comercio DE Materiais Dentarios S · 2015
  16. 5 generations backK170588 DESS Dental Smart SolutionsTerrats Medical SL · 2017
  17. 4 generations backK173908 DESS Dental Smart SolutionsTerrats Medical SL · 2018
  18. 3 generations backK191986 DESS Dental Smart SolutionsTerrats Medical SL · 2019
  19. 2 generations backK203240 AccelX AbutmentsIntegrated Dental Systems, LLC · 2021
  20. 1 generation backK252585 ZENEX Implant System_R-SystemIzenimplant Co., Ltd. · 2026
  21. This deviceK253334 ZENEX Implant System_Short (R-System)Izenimplant Co., Ltd. · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−20K960026Biohorizons Dental Implant SystemBioHorizons Implant Systems, Inc.1996—
−19K964330Biohorizons Dental Implant System (Name Subject to Change)BioHorizons Implant Systems, Inc.1997—
−18K972313The Maestro SystemBioHorizons Implant Systems, Inc.1997—
−17K020133Modification to the Maestro SystemBioHorizons Implant Systems, Inc.2002—
−16K020645Modification to the Maestro SystemBioHorizons Implant Systems, Inc.2002—
−15K022795Modification to the Maestro SystemBioHorizons Implant Systems, Inc.2002—
−14K030463Modification to the Maestro SystemBioHorizons Implant Systems, Inc.20031
−13K032351The Maestro System 3.0MM Diameter ImplantBioHorizons Implant Systems, Inc.2003—
−12K041938Maximus OS (Overdenture System)BioHorizons Implant Systems, Inc.20042
−11K063364Alpha Bio Dental Implant SystemAlpha-Bio Tec, Ltd.2007—
−10K081653Mdi Mii One-Piece Implant, 2.9MMImtec Corp.20081
−9K123022Neodent Implant SystemJjgc Industria E Comercio DE Materiais Dentarios S2013—
−8K133510Neodent Implant SystemJj Industria E Comercio DE Materiais Dentarios SA2014—
−7K133592Neodent Implant System, Titamax TI EX Acqua and TI Drive Acqua, Titamax Smart…Neodent USA, Inc.2014—
−6K150367Neodent Implant SystemJjgc Industria E Comercio DE Materiais Dentarios S2015—
−5K170588DESS Dental Smart SolutionsTerrats Medical SL2017—
−4K173908DESS Dental Smart SolutionsTerrats Medical SL2018—
−3K191986DESS Dental Smart SolutionsTerrats Medical SL2019—
−2K203240AccelX AbutmentsIntegrated Dental Systems, LLC2021—
−1K252585ZENEX Implant System_R-SystemIzenimplant Co., Ltd.2026—
0 (this device)K253334ZENEX Implant System_Short (R-System)Izenimplant Co., Ltd.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197810
198210
198410
198510
198620
198720
198810
198950
199070
199130
199250
1993140
1994140
1995150
1996170
199770
199880
1999120
2000110
2001180
2002200
2003190
2004210
2005180
2006260
2007320
2008290
2009180
2010160
2011150
2012120
201370
201470
201530
201620
201730
201810
201920
202020
202220
202320
FIG. 1 — Lineage of K253334, 1996–2026Source: 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 DZE? 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 DZE device

  1. #1 K211090 ZENEX Implant Systemscore 25.4 · 15 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? (3)

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
*K233163ZENEX Implant System_Short
Summary page 5
…: Class II • Date Prepared: 03/13/2026 Predicate Devices: The subject device is substantially equivalent to the following predicate devices: Primary Predicate • K233163, ZENEX Implant System_Short by Izenimplant Co., Ltd. Reference Predicates • K211090, ZENEX Implant System by Izenimplant Co.,…
Izenimplant Co., Ltd.2023—
*K252585ZENEX Implant System_R-System
Cleared while this submission was under review
Summary page 5
…imary Predicate • K233163, ZENEX Implant System_Short by Izenimplant Co., Ltd. Reference Predicates • K211090, ZENEX Implant System by Izenimplant Co., Ltd. • K252585, ZENEX Implant System_R-System by Izenimplant Co., Ltd. Indications for Use: ZENEX Implant System_Short(R-System) is indicated f…
Izenimplant Co., Ltd.2026—
*—ZENEX Implant System by Izenimplant Co., Ltd.
Named without a submission number
—
†K211090ZENEX Implant SystemIzenimplant Co., Ltd.2022—

What descends from it?

No later submission names this one as a predicate yet.

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 30 years and passes through 9 companies; a new generation was cleared every 10 months on median.
  • 53 of the 422 ancestors have a recall of any class.

How does its category compare?

All DZE devices

DZE Implant, Endosseous, Root-Form: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, this device’s year, is highlighted.

FDA decisions per year · DZE

31in 2025

2007: 432008: 612009: 412010: 342011: 262012: 392013: 422014: 362015: 362016: 402017: 482018: 412019: 312020: 412021: 342022: 342023: 352024: 402025: 312026 (partial year): 15
2007high 61 (2008) · low 26 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DZE

184in 2025

2007: 107 days median2008: 118 days median2009: 110 days median2010: 162 days median2011: 194 days median2012: 174 days median2013: 195 days median2014: 265 days median2015: 215 days median2016: 219 days median2017: 223 days median2018: 200 days median2019: 231 days median2020: 230 days median2021: 182 days median2022: 243 days median2023: 248 days median2024: 222 days median2025: 184 days median2026 (partial year): 194 days median
2007high 265 (2014) · low 107 (2007)2026

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

Recalls per year · DZE

1in 2025

2007: 112008: 42009: 32010: 32012: 112013: 12014: 72015: 32016: 152017: 42018: 42019: 82021: 62024: 12025: 12026 (partial year): 2
2007high 15 (2016) · low 0 (2011)2026

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

Adverse event reports per year · DZE

465,788in 2025

2007: 2252008: 3932009: 1642010: 3602011: 3622012: 3582013: 3912014: 1,1242015: 2,8942016: 1,1162017: 9,7192018: 12,8922019: 167,0162020: 255,5242021: 479,6182022: 483,2242023: 537,5852024: 473,6292025: 465,788
2007high 537,585 (2023) · low 164 (2009)2025

MAUDE reports naming product code DZE, 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
20074310711225
2008611184393
2009411103164
2010341623360
2011261940362
20123917411358
2013421951391
20143626571,124
20153621532,894
201640219151,116
20174822349,719
201841200412,892
2019312318167,016
2020412300255,524
2021341826479,618
2022342430483,224
2023352480537,585
2024402221473,629
2025311841465,788
2026151942—

What is it indicated for?

ZENEX Implant SystemShort(R-System) is indicated for use in partially or fully edentulous mandibles and maxillae, in support of single or multiple unit restorations including; cemented retained, screw retained or overdenture restorations, and final or temporary abutment support for fixed bridgework. It is intended for delayed loading. Wide Fixture system is intended to be used in the molar region.

Short and Wide implants must be splinted to adjacent implants in areas of poor bone quality or high occlusal forces.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K253334: ZENEX Implant System_Short (R-System).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K253334

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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