510(k) · Cleared
ClearedImproved Dycal
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Dentsply Intl. · EJK Liner, Cavity, Calcium Hydroxide
Cleared on Mar 23, 1982 after a 56-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 13 later devices descend from it.
- Decided
- Mar 23, 1982
- Review
- 56 days
- Class
- Class II
- Product code
- EJK
- Recalls
- None
- Predicates
- 0
13 later devices descend from it, 1 citing it directly.
- This deviceK820215 Improved DycalDentsply Intl. · 1982
- Descendant · cites it directly · 12 of its ownK113568 Mta-FillapexPaxmed International · 2012
- Descendant · 2 generations on · 8 of its ownK170175 Endoseal MtaMaruchi · 2018
- Descendant · 3 generations on · 2 of its ownK201799 CleaniCalMaruchi · 2021
- Descendant · 2 generations on · 2 of its ownK140247 Mta FillapexAngelus Industria DE Productos Odontologicos SA · 2014
- Descendant · 3 generations on · 1 of its ownK202015 White ENDOSEAL MTAMaruchi · 2021
Showing 5 of 13 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 13 · See all- K113568Mta-FillapexPaxmed International · 2012 · cites it directly12descendants
- K170175Endoseal MtaMaruchi · 2018 · 2 generations on8descendants
- K201799CleaniCalMaruchi · 2021 · 3 generations on2descendants
- K140247Mta FillapexAngelus Industria DE Productos Odontologicos SA · 2014 · 2 generations on2descendants
- K202015White ENDOSEAL MTAMaruchi · 2021 · 3 generations on1descendant
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K820215 | Improved Dycal | Dentsply Intl. | 1982 | — |
| +1 | K113568 | Mta-Fillapex | Paxmed International | 2012 | — |
| +2 | K170175 | Endoseal Mta | Maruchi | 2018 | — |
| +3 | K201799 | CleaniCal | Maruchi | 2021 | — |
| +2 | K140247 | Mta Fillapex | Angelus Industria DE Productos Odontologicos SA | 2014 | — |
| +3 | K202015 | White ENDOSEAL MTA | Maruchi | 2021 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2012 | 1 | 0 |
| 2014 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
| 2021 | 4 | 0 |
| 2022 | 3 | 0 |
| 2023 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in EJK? 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 EJK device
- #1 K261728 One-Fil LCscore 12.3 · 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?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (13)
See all 131 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K113568 | Mta-Fillapex | 2012 | 12 |
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, K113568 (Paxmed International, 2012) has gone furthest, with 12 descendants of its own.
How does its category compare?
All EJK devicesEJK Liner, Cavity, Calcium Hydroxide: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · EJK
1in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · EJK
260in 2015
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · EJK
No recall names EJK since 2007.
Adverse event reports per year · EJK
1in 2022
MAUDE reports naming product code EJK, 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 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 1 | — | 0 | 0 |
| 2012 | 3 | 93 | 0 | 4 |
| 2013 | 1 | — | 0 | 1 |
| 2014 | 1 | — | 0 | 0 |
| 2015 | 3 | 260 | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 1 |
| 2018 | 1 | — | 0 | 2 |
| 2019 | 1 | — | 0 | 2 |
| 2020 | 1 | — | 0 | 1 |
| 2021 | 1 | — | 0 | 0 |
| 2022 | 1 | — | 0 | 1 |
| 2023 | 1 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 2 | — | 0 | — |
https://510kreport.com/device/K820215 · printed Nov 6, 2026
Cite this page
510(k) Report. “K820215: Improved Dycal.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K820215
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026