510(k) · Cleared
ClearedMucopren Soft Relining System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Roydent Dental Products, Inc. · EBI Resin, Denture, Relining, Repairing, Rebasing
Cleared on Nov 13, 1998 as substantially equivalent to K964040 (Dentsply Intl., 1996) and 3 other predicates after a 50-day review. Its family tree reaches back 2 generations to 1990.
- Decided
- Nov 13, 1998
- Review
- 50 days
- Class
- Class II
- Product code
- EBI
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 2 generations to K901621 (1990). 6 ancestors in all. No later device cites it as a predicate yet.
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K901621 | New Per-Fit (R) Improved | Dental Product Co. | 1990 | — |
| −1 | K964040 | Trubyte Soft Reline System | Dentsply Intl. | 1996 | — |
| 0 (this device) | K983357 | Mucopren Soft Relining System | Roydent Dental Products, Inc. | 1998 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 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 EBI? 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 EBI device
- #1 K250617 Apex Flexscore 18.3 · 1 generation · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (4)
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 |
|---|---|---|---|
| * | K964040 | Trubyte Soft Reline SystemSummary page 1…er CFR 872.3760. VII. Substantial Equivalence: Roydent™ is substantially equivalent to the classified device and those cleared for marketing by the 510(k) process under K964040, Trubyte Soft Reline System, Dentsply Int'l, K953589, Tokuyama Soft Relining, Tokutyama America; K963736, Soft Denture Rebasing R… | 1996 |
| * | K953589 | Tokuyama Soft ReliningSummary page 1…nt™ is substantially equivalent to the classified device and those cleared for marketing by the 510(k) process under K964040, Trubyte Soft Reline System, Dentsply Int'l, K953589, Tokuyama Soft Relining, Tokutyama America; K963736, Soft Denture Rebasing Resin, Sybron Dental; K954810, Myerson IR Denture Base… | 1996 |
| * | K963736 | Soft Denture Rebasing ResinSummary page 1…vice and those cleared for marketing by the 510(k) process under K964040, Trubyte Soft Reline System, Dentsply Int'l, K953589, Tokuyama Soft Relining, Tokutyama America; K963736, Soft Denture Rebasing Resin, Sybron Dental; K954810, Myerson IR Denture Base, Austenal, Inc. The "510(k) "Substantial Equivalen… | 1996 |
| * | K954810 | Myerson IR Denture BaseSummary page 1…ocess under K964040, Trubyte Soft Reline System, Dentsply Int'l, K953589, Tokuyama Soft Relining, Tokutyama America; K963736, Soft Denture Rebasing Resin, Sybron Dental; K954810, Myerson IR Denture Base, Austenal, Inc. The "510(k) "Substantial Equivalence" Decision-Making Process (Detailed) from ODE Guida… | 1995 |
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 8 years and passes through 3 companies; a new generation was cleared every 6.4 years on median.
- None of the 6 ancestors has a recall.
- 1 other device also cites its predicate K964040.
How does its category compare?
All EBI devicesEBI Resin, Denture, Relining, Repairing, Rebasing: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · EBI
11in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · EBI
79in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · EBI
2in 2022
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · EBI
34in 2025
MAUDE reports naming product code EBI, 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 | 10 | 53 | 0 | 7 |
| 2008 | 6 | 124 | 0 | 2 |
| 2009 | 3 | 234 | 0 | 5 |
| 2010 | 4 | 95 | 0 | 4 |
| 2011 | 11 | 113 | 0 | 6 |
| 2012 | 3 | 85 | 0 | 9 |
| 2013 | 5 | 135 | 0 | 5 |
| 2014 | 5 | 102 | 0 | 9 |
| 2015 | 9 | 106 | 0 | 8 |
| 2016 | 7 | 147 | 0 | 9 |
| 2017 | 8 | 196 | 0 | 2 |
| 2018 | 5 | 158 | 2 | 2 |
| 2019 | 4 | 127 | 0 | 10 |
| 2020 | 6 | 283 | 0 | 8 |
| 2021 | 4 | 99 | 0 | 25 |
| 2022 | 11 | 154 | 2 | 2 |
| 2023 | 11 | 96 | 0 | 13 |
| 2024 | 9 | 90 | 0 | 1 |
| 2025 | 11 | 79 | 0 | 34 |
| 2026 | 7 | 87 | 0 | — |
What is it indicated for?
Intended for use as a long-term resilient lining material for removable dentures,
to reline, repair, or rebase dentures.
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/K983357 · printed Nov 4, 2026
Cite this page
510(k) Report. “K983357: Mucopren Soft Relining System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K983357
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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