510(k) · Cleared
ClearedrainbowTM Multi-Layer Block / bright 3-Layer / bright Mono
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Genoss Co., Ltd. · EIH Powder, Porcelain
Cleared on Feb 23, 2024 as substantially equivalent to K160079 (Genoss Co., Ltd., 2016) after a 217-day review. Its family tree reaches back 6 generations to 1998.
- Decided
- Feb 23, 2024
- Review
- 217 days
- Class
- Class II
- Product code
- EIH
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 6 generations to K980986 (1998). 9 ancestors in all. No later device cites it as a predicate yet.
- Root · 6 generations backK980986 ProcadIvoclar USA, Inc. · 1998
- 5 generations backK053438 Glass Ceramics3M Espe AG Dental Products · 2006
- 4 generations backK063511 Ceramill ZIAmann Girrbach America, Inc. · 2007
- 3 generations backK092513 Rainbow BlockGenoss Co., Ltd. · 2009
- 2 generations backK151842 Rainbow ShineGenoss · 2016
- 1 generation backK160079 rainbow ShineGenoss Co., Ltd. · 2016
- This deviceK232174 rainbowTM Multi-Layer Block / bright 3-Layer / bright MonoGenoss Co., Ltd. · 2024
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K980986 | Procad | Ivoclar USA, Inc. | 1998 | — |
| −5 | K053438 | Glass Ceramics | 3M Espe AG Dental Products | 2006 | — |
| −4 | K063511 | Ceramill ZI | Amann Girrbach America, Inc. | 2007 | — |
| −3 | K092513 | Rainbow Block | Genoss Co., Ltd. | 2009 | — |
| −2 | K151842 | Rainbow Shine | Genoss | 2016 | — |
| −1 | K160079 | rainbow Shine | Genoss Co., Ltd. | 2016 | — |
| 0 (this device) | K232174 | rainbowTM Multi-Layer Block / bright 3-Layer / bright Mono | Genoss Co., Ltd. | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2002 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 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 15.3 · 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? (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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K160079 | rainbow ShineSummary page 5…Powder, Porcelain Regulation Number: 21 CFR 872.6660 Regulation Code: EIH Regulation Class: Class Ⅱ 3. Predicate Device K160079 rainbowTM Shine 510(k) Summary Page 1 of… | 2016 |
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 26 years and passes through 5 companies; a new generation was cleared every 6.3 years on median.
- None of the 9 ancestors has a recall.
How does its category compare?
All EIH devicesEIH Powder, Porcelain: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, 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?
rainbowTM Multi-Layer Block / bright 3-Layer / bright Mono is used in the manufacture of a dental core through milling by machine followed by sintering
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/K232174 · printed Nov 3, 2026
Cite this page
510(k) Report. “K232174: rainbowTM Multi-Layer Block / bright 3-Layer / bright Mono.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K232174
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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