510(k) Report

510(k) · Cleared

Cleared

Straumann Variobase C

K192742510(k) TraditionalCleared Feb 12, 2021501-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

Institut Straumann AG · NHA Abutment, Implant, Dental, Endosseous

Cleared on Feb 12, 2021 as substantially equivalent to K151324 (Straumann USA, LLC, 2015) after a 501-day review. Its family tree reaches back 16 generations to 1990. 1 later device descends from it.

Decided
Feb 12, 2021
Review
501 days
Class
Class II
Product code
NHA
Recalls
None
Predicates
1

Its longest line of descent runs back 16 generations to K894844 (1990). 189 ancestors in all, the oldest K871863 (1987). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2013: 2 other ancestors2012: 3 other ancestors2011: 2 other ancestors2010: 2 other ancestors2009: 5 other ancestors2008: 9 other ancestors2007: 13 other ancestors2005: 8 other ancestors2006: 13 other ancestors2004: 9 other ancestors2003: 8 other ancestors2002: 12 other ancestors2001: 9 other ancestors2000: 7 other ancestors1997: 4 other ancestors1996: 14 other ancestors1995: 9 other ancestors1994: 11 other ancestors1999: 7 other ancestors1998: 7 other ancestors1993: 12 other ancestors1992: 2 other ancestors1990: 2 other ancestors1989: 1 other ancestor1987: 1 other ancestor1991: 1 other ancestor2022: 1 descendant clearedReference device: K181520 · Sirona Dental CAD/CAM System · Dentsply Sirona · 2018Reference device: K171773 · Straumann n!ce Glass Ceramic A14 Blocks · Institut Straumann AG · 2017Reference device: K173961 · Straumann BLX Implant System · Institut Straumann AG · 2018Reference device: K142890 · Straumann Variobase Abutment NNC, Straumann Variobase Abutment RN, Straumann Variobase Abutment WN, Straumann Variobase Abutment NC, Straumann Variobase Abutment RC, IPS e.max CAD MO Coping, IPS e.max CAD LT Crown, IPS e.max CAD HT Crown, coron CoCr Single Unit · Straumann USA, LLC · 2015Reference device: K190662 · MRI Compatibility for Existing Straumann Dental Implant Systems · Straumann USA, LLC · 2019K894844 · Bonefit Implant System Accessories & Instruments · Straumann Institute, Ltd. · 1990K990342 · Synocta Prosthetics · Straumann USA · 1999×2: 2 generations cleared close together, K013798 (2001), K020096 (2002) K033243 · Iti Synocta Meso Abutments · Straumann USA · 2003K052272 · Straumann Computer Aided Restoration Service · Straumann USA · 2006×2: 2 generations cleared close together, K061277 (2007), K072151 (2007) K081005 · P.004 NC Cares Titanium and Ceramic Abutments · Institut Straumann AG · 2008 · recalledK082545 · Straumann NN Cares Titanium and Ceramic Abutments · Institut Straumann AG · 2008K093113 · Etkon ES1, Model 019.0001, Etkon Visual, Straumann Cadcam Abutment · Institut Straumann AG · 2009K101465 · Straumann Cares Bridge; Straumann Cares Dolder Bar · Institut Straumann AG · 2010K120822 · Straumann Cares Variobase Abutment NNC, Straumann Cares Variobase Abutment RN, Straumann Cares Variobase Abutment WN, ST · Institut Straumann AG · 2012K132219 · Straumann (R) Variobase (TM) Abutment NNC, Straumann (R) Variobase (TM) Abutment RN, Straumann (R) Variobase (TM) Abutment WN, · Straumann USA, LLC · 2014K142890 · Straumann Variobase Abutment NNC, Straumann Variobase Abutment RN, Straumann Variobase Abutment WN, Straumann Variobase Abutment NC, Straumann Variobase Abutment RC, IPS e.max CAD MO Coping, IPS e.max CAD LT Crown, IPS e.max CAD HT Crown, coron CoCr Single Unit · Straumann USA, LLC · 2015K151324 · Straumann Variobase for CEREC · Straumann USA, LLC · 20151990200020102020
Other ancestors, by generationDescendants, by generation 3 generations back: 2 other ancestors4 generations back: 12 other ancestors5 generations back: 29 other ancestors6 generations back: 31 other ancestors7 generations back: 31 other ancestors8 generations back: 40 other ancestors9 generations back: 16 other ancestors10 generations back: 8 other ancestors11 generations back: 3 other ancestors12 generations back: 1 other ancestor 1 generation forward: 1 descendant K151324 · Straumann Variobase for CEREC · Straumann USA, LLC · 2015K142890 · Straumann Variobase Abutment NNC, Straumann Variobase Abutment RN, Straumann Variobase Abutment WN, Straumann Variobase Abutment NC, Straumann Variobase Abutment RC, IPS e.max CAD MO Coping, IPS e.max CAD LT Crown, IPS e.max CAD HT Crown, coron CoCr Single Unit · Straumann USA, LLC · 2015K132219 · Straumann (R) Variobase (TM) Abutment NNC, Straumann (R) Variobase (TM) Abutment RN, Straumann (R) Variobase (TM) Abutment WN, · Straumann USA, LLC · 2014K120822 · Straumann Cares Variobase Abutment NNC, Straumann Cares Variobase Abutment RN, Straumann Cares Variobase Abutment WN, ST · Institut Straumann AG · 2012K101465 · Straumann Cares Bridge; Straumann Cares Dolder Bar · Institut Straumann AG · 2010K093113 · Etkon ES1, Model 019.0001, Etkon Visual, Straumann Cadcam Abutment · Institut Straumann AG · 2009K082545 · Straumann NN Cares Titanium and Ceramic Abutments · Institut Straumann AG · 2008K081005 · P.004 NC Cares Titanium and Ceramic Abutments · Institut Straumann AG · 2008 · recalledK072151 · P.004 RC Cares Titanium and Ceramic Abutments · Straumann USA · 2007 · recalledK061277 · Straumann Computer Aided Restoration Service (C.a.R.E.S.) Ceramic Coping · Straumann USA · 2007K052272 · Straumann Computer Aided Restoration Service · Straumann USA · 2006K033243 · Iti Synocta Meso Abutments · Straumann USA · 2003K020096 · Esthetic Ease Abutments for the Iti Dental Implant System · Institut Straumann AG · 2002 · recalledK013798 · Prosthetic Accessories to the Iti Dental Implant System · Institut Straumann AG · 2001K990342 · Synocta Prosthetics · Straumann USA · 1999K894844 · Bonefit Implant System Accessories & Instruments · Straumann Institute, Ltd. · 1990−15−10−50
  1. Root · 16 generations backK894844 Bonefit Implant System Accessories & InstrumentsStraumann Institute, Ltd. · 1990
  2. 12 generations between
  3. 3 generations backK132219 Straumann (R) Variobase (TM) Abutment NNC, Straumann (R) Variobase…Straumann USA, LLC · 2014
  4. 2 generations backK142890 Straumann Variobase Abutment NNC, Straumann Variobase Abutment RN…Straumann USA, LLC · 2015
  5. 1 generation backK151324 Straumann Variobase for CERECStraumann USA, LLC · 2015
  6. This deviceK192742 Straumann Variobase CInstitut Straumann AG · 2021
  7. Descendant · cites it directly · 0 of its ownK220878 Straumann TLX Variobase CInstitut Straumann AG · 2022
Show all 16 generations
  1. Root · 16 generations backK894844 Bonefit Implant System Accessories & InstrumentsStraumann Institute, Ltd. · 1990
  2. 15 generations backK990342 Synocta ProstheticsStraumann USA · 1999
  3. 14 generations backK013798 Prosthetic Accessories to the Iti Dental Implant SystemInstitut Straumann AG · 2001
  4. 13 generations backK020096 Esthetic Ease Abutments for the Iti Dental Implant SystemInstitut Straumann AG · 2002 · Recalled
  5. 12 generations backK033243 Iti Synocta Meso AbutmentsStraumann USA · 2003
  6. 11 generations backK052272 Straumann Computer Aided Restoration ServiceStraumann USA · 2006
  7. 10 generations backK061277 Straumann Computer Aided Restoration Service (C.a.R.E.S.) Ceramic…Straumann USA · 2007
  8. 9 generations backK072151 P.004 RC Cares Titanium and Ceramic AbutmentsStraumann USA · 2007 · Recalled
  9. 8 generations backK081005 P.004 NC Cares Titanium and Ceramic AbutmentsInstitut Straumann AG · 2008 · Recalled
  10. 7 generations backK082545 Straumann NN Cares Titanium and Ceramic AbutmentsInstitut Straumann AG · 2008
  11. 6 generations backK093113 Etkon ES1, Model 019.0001, Etkon Visual, Straumann Cadcam AbutmentInstitut Straumann AG · 2009
  12. 5 generations backK101465 Straumann Cares Bridge; Straumann Cares Dolder BarInstitut Straumann AG · 2010
  13. 4 generations backK120822 Straumann Cares Variobase Abutment NNC, Straumann Cares Variobase…Institut Straumann AG · 2012
  14. 3 generations backK132219 Straumann (R) Variobase (TM) Abutment NNC, Straumann (R) Variobase…Straumann USA, LLC · 2014
  15. 2 generations backK142890 Straumann Variobase Abutment NNC, Straumann Variobase Abutment RN…Straumann USA, LLC · 2015
  16. 1 generation backK151324 Straumann Variobase for CERECStraumann USA, LLC · 2015
  17. This deviceK192742 Straumann Variobase CInstitut Straumann AG · 2021

Most influential descendants

Showing 1 of 1 · See all
  • K220878Straumann TLX Variobase CInstitut Straumann AG · 2022 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−16K894844Bonefit Implant System Accessories & InstrumentsStraumann Institute, Ltd.1990—
−15K990342Synocta ProstheticsStraumann USA1999—
−14K013798Prosthetic Accessories to the Iti Dental Implant SystemInstitut Straumann AG2001—
−13K020096Esthetic Ease Abutments for the Iti Dental Implant SystemInstitut Straumann AG20021
−12K033243Iti Synocta Meso AbutmentsStraumann USA2003—
−11K052272Straumann Computer Aided Restoration ServiceStraumann USA2006—
−10K061277Straumann Computer Aided Restoration Service (C.a.R.E.S.) Ceramic CopingStraumann USA2007—
−9K072151P.004 RC Cares Titanium and Ceramic AbutmentsStraumann USA20071
−8K081005P.004 NC Cares Titanium and Ceramic AbutmentsInstitut Straumann AG20081
−7K082545Straumann NN Cares Titanium and Ceramic AbutmentsInstitut Straumann AG2008—
−6K093113Etkon ES1, Model 019.0001, Etkon Visual, Straumann Cadcam AbutmentInstitut Straumann AG2009—
−5K101465Straumann Cares Bridge; Straumann Cares Dolder BarInstitut Straumann AG2010—
−4K120822Straumann Cares Variobase Abutment NNC, Straumann Cares Variobase Abutment RN…Institut Straumann AG2012—
−3K132219Straumann (R) Variobase (TM) Abutment NNC, Straumann (R) Variobase (TM)…Straumann USA, LLC2014—
−2K142890Straumann Variobase Abutment NNC, Straumann Variobase Abutment RN, Straumann…Straumann USA, LLC2015—
−1K151324Straumann Variobase for CERECStraumann USA, LLC2015—
0 (this device)K192742Straumann Variobase CInstitut Straumann AG2021—
+1K220878Straumann TLX Variobase CInstitut Straumann AG2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
198910
199020
199110
199220
1993120
1994110
199590
1996140
199740
199870
199970
200070
200190
2002120
200380
200490
200580
2006130
2007130
200890
200950
201020
201120
201230
201320

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202210
FIG. 1 — Lineage of K192742, 1990–2022Source: 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? (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.

TypeNumberDeviceApplicantDecidedRecalls
*K151324Straumann Variobase for CEREC
Summary page 5
…Straumann® Variobase® C 510(k) Summary 1.3 Predicate Device(s) Primary Predicate: • K151324 – Variobase for CEREC (Institut Straumann AG) Reference Devices: • K181520 – Sirona Dental CAD/CAM System (Sirona Denta…
Straumann USA, LLC2015—
†K181520Sirona Dental CAD/CAM SystemDentsply Sirona2018—
†K171773Straumann n!ce Glass Ceramic A14 BlocksInstitut Straumann AG2017—
†K173961Straumann BLX Implant SystemInstitut Straumann AG2018—
†K142890Straumann Variobase Abutment NNC, Straumann Variobase Abutment RN, Straumann Variobase…Straumann USA, LLC2015—
†K190662MRI Compatibility for Existing Straumann Dental Implant SystemsStraumann USA, LLC2019—

Also cleared against K151324: 4 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K220878Straumann TLX Variobase CInstitut Straumann AG20220

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 31 years and passes through 4 companies; a new generation was cleared every 1.2 years on median.
  • 20 of the 189 ancestors have a recall of any class.
  • Of its descendants, K220878 (Institut Straumann AG, 2022) has gone furthest, with 0 descendants of its own.
  • 4 other devices also cite its predicate K151324.

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. 2021, 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 Straumann® Variobase® C are titanium alloy abutments placed onto Straumann dental implants to provide support for customized prosthetic restorations. Straumann® Variobase® C abutments are 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 Straumann® Variobase® C abutments are to be designed using Sirona CEREC Software and manufactured using a Sirona CEREC or inLab MC X or MC XL milling unit.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K192742: Straumann Variobase C.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K192742

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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