510(k) · Cleared
ClearedNeocolloid, Orthoprint
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Zhermack S.P.A. · ELW Material, Impression
Cleared on May 21, 1998 after a 57-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 1 later device descends from it.
- Decided
- May 21, 1998
- Review
- 57 days
- Class
- Class II
- Product code
- ELW
- Recalls
- None
- Predicates
- 0
1 later device descends from it, 1 citing it directly.
- This deviceK981091 Neocolloid, OrthoprintZhermack S.P.A. · 1998
- Descendant · cites it directly · 0 of its ownK143575 Accu-Dent XD Tray, Accu-Dent XD SyringeIvoclar Vivadent, Inc. · 2015
Most influential descendants
Showing 1 of 1 · See all- K143575Accu-Dent XD Tray, Accu-Dent XD SyringeIvoclar Vivadent, Inc. · 2015 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K981091 | Neocolloid, Orthoprint | Zhermack S.P.A. | 1998 | — |
| +1 | K143575 | Accu-Dent XD Tray, Accu-Dent XD Syringe | Ivoclar Vivadent, Inc. | 2015 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2015 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in ELW? 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 ELW device
- #1 K254152 Dia-X Sil Light Bodyscore 14.1 · 8 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA’s file for it is a 510(k) statement, which names no predicate.
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K143575 | Accu-Dent XD Tray, Accu-Dent XD Syringe | 2015 | 0 |
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?
- Of its descendants, K143575 (Ivoclar Vivadent, Inc., 2015) has gone furthest, with 0 descendants of its own.
How does its category compare?
All ELW devicesELW Material, Impression: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · ELW
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · ELW
98in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · ELW
3in 2016
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · ELW
22in 2025
MAUDE reports naming product code ELW, 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 | 7 | 60 | 0 | 9 |
| 2008 | 11 | 30 | 0 | 17 |
| 2009 | 7 | 43 | 0 | 7 |
| 2010 | 5 | 88 | 1 | 16 |
| 2011 | 9 | 83 | 0 | 15 |
| 2012 | 7 | 87 | 1 | 14 |
| 2013 | 5 | 67 | 3 | 32 |
| 2014 | 11 | 122 | 0 | 35 |
| 2015 | 8 | 93 | 0 | 18 |
| 2016 | 7 | 166 | 3 | 15 |
| 2017 | 3 | 89 | 0 | 17 |
| 2018 | 5 | 126 | 0 | 14 |
| 2019 | 2 | — | 0 | 24 |
| 2020 | 4 | 99 | 0 | 8 |
| 2021 | 3 | 76 | 0 | 6 |
| 2022 | 7 | 60 | 0 | 9 |
| 2023 | 2 | — | 0 | 13 |
| 2024 | 3 | 98 | 0 | 3 |
| 2025 | 2 | — | 0 | 22 |
| 2026 | 3 | 268 | 0 | — |
What is it indicated for?
Neocolloid and Orthoprint are alginate dental impression materials that are intended to be used to make dental impressions.
The resulting impressions are used to make plaster models of the teeth.
Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K981091 · printed Nov 5, 2026
Cite this page
510(k) Report. “K981091: Neocolloid, Orthoprint.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K981091
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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