510(k) · Cleared
ClearedK2 Zirkon Blank white classic; K2 Zirkon Blank translucent; K2 Blanks extreme translucent
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Yeti Dentalprodukte GmbH · EIH Powder, Porcelain
Cleared on Nov 15, 2018 as substantially equivalent to K072569 (Metoxit AG, 2007) and 2 other predicates after a 321-day review. Its family tree reaches back 4 generations to 1998.
- Decided
- Nov 15, 2018
- Review
- 321 days
- Class
- Class II
- Product code
- EIH
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 4 generations to K980986 (1998). 15 ancestors in all. No later device cites it as a predicate yet.
- Root · 4 generations backK980986 ProcadIvoclar USA, Inc. · 1998
- 3 generations backK053438 Glass Ceramics3M Espe AG Dental Products · 2006
- 2 generations backK063511 Ceramill ZIAmann Girrbach America, Inc. · 2007
- 1 generation backK152383 Ceramill Zolid FXEmergo Europe Consulting · 2015
- This deviceK173971 K2 Zirkon Blank white classic; K2 Zirkon Blank translucent; K2…Yeti Dentalprodukte GmbH · 2018
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K980986 | Procad | Ivoclar USA, Inc. | 1998 | — |
| −3 | K053438 | Glass Ceramics | 3M Espe AG Dental Products | 2006 | — |
| −2 | K063511 | Ceramill ZI | Amann Girrbach America, Inc. | 2007 | — |
| −1 | K152383 | Ceramill Zolid FX | Emergo Europe Consulting | 2015 | — |
| 0 (this device) | K173971 | K2 Zirkon Blank white classic; K2 Zirkon Blank translucent; K2 Blanks extreme… | Yeti Dentalprodukte GmbH | 2018 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2005 | 4 | 0 |
| 2006 | 2 | 0 |
| 2007 | 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 EIH? 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 EIH device
- #1 K192231 Dental Glass Ceramics Blocksscore 15.2 · 3 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K072569 | Metoxit Cam-BlanksSummary page 4…use Regulatory Class II Product Code EIH Predicate Device K2 Zirconia Blank white classic: Z-CAD HD (K072569) Reference Devices K2 Zirconia Blank translucent: Ceramill® zi (K063511) K2 Zirconia Blank extreme translucent… | 2007 |
| * | K063511 | Ceramill ZISummary page 4…EIH Predicate Device K2 Zirconia Blank white classic: Z-CAD HD (K072569) Reference Devices K2 Zirconia Blank translucent: Ceramill® zi (K063511) K2 Zirconia Blank extreme translucent: Zolid FX (K152383) K2 Zircon Blanks… | 2007 |
| * | K152383 | Ceramill Zolid FXSummary page 4…Z-CAD HD (K072569) Reference Devices K2 Zirconia Blank translucent: Ceramill® zi (K063511) K2 Zirconia Blank extreme translucent: Zolid FX (K152383) K2 Zircon Blanks Page 002-1… | 2015 |
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 20 years and passes through 5 companies; a new generation was cleared every 7.7 years on median.
- 1 of the 15 ancestors has a recall of any class.
- 5 other devices also cite its predicate K072569.
How does its category compare?
All EIH devicesEIH Powder, Porcelain: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.
FDA decisions per year · EIH
13in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · EIH
84in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · EIH
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · EIH
1in 2025
MAUDE reports naming product code EIH, 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 | 15 | 63 | 0 | 0 |
| 2008 | 15 | 87 | 0 | 1 |
| 2009 | 15 | 79 | 0 | 0 |
| 2010 | 14 | 89 | 0 | 0 |
| 2011 | 14 | 80 | 0 | 1 |
| 2012 | 9 | 96 | 0 | 0 |
| 2013 | 16 | 107 | 0 | 6 |
| 2014 | 18 | 118 | 0 | 1 |
| 2015 | 23 | 118 | 0 | 0 |
| 2016 | 22 | 187 | 21 | 4 |
| 2017 | 16 | 149 | 0 | 1 |
| 2018 | 10 | 139 | 0 | 2 |
| 2019 | 16 | 125 | 0 | 1 |
| 2020 | 13 | 155 | 0 | 0 |
| 2021 | 17 | 131 | 0 | 22 |
| 2022 | 16 | 89 | 0 | 0 |
| 2023 | 15 | 114 | 0 | 0 |
| 2024 | 28 | 89 | 0 | 7 |
| 2025 | 13 | 84 | 1 | 1 |
| 2026 | 14 | 73 | 0 | — |
What is it indicated for?
Zircon Blanks are used for milling using digital STL-files to produce Crowns, Bridges and monolithic works. We propose the K2 Zircon Blanks for anterior and posterior restorations. Table 1: Indication of use and maximum intermediate elements Single crown: Anterior and Posterior. Bridges: Anterior and Posterior. K2 Zircon Blank white classic: single crowns—anterior and posterior; bridges—2 anterior, 2 posterior. K2 Zircon Blank translucent: single…
Read the full statement (114 words)
Zircon Blanks are used for milling using digital STL-files to produce Crowns, Bridges and monolithic works. We propose the K2 Zircon Blanks for anterior and posterior restorations.
Table 1: Indication of use and maximum intermediate elements
Single crown: Anterior and Posterior. Bridges: Anterior and Posterior.
K2 Zircon Blank white classic: single crowns—anterior and posterior; bridges—2 anterior, 2 posterior.
K2 Zircon Blank translucent: single crowns—anterior and posterior; bridges—2 anterior, 2 posterior.
K2 Zircon Blank extreme translucent: single crowns—anterior and posterior; bridges—1 anterior, none posterior.
All K2 Zircon Blanks are indicated to be colored with Dip & Brush K2 CAD CAM Zircon Liquids. K2 Zircon Blanks should be not used by the General public or over-the-counter.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K173971 · printed Nov 5, 2026
Cite this page
510(k) Report. “K173971: K2 Zirkon Blank white classic; K2 Zirkon Blank translucent; K2 Blanks extreme translucent.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K173971
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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