# K820215: Improved Dycal

- Pathway: 510(k) (Traditional)
- Applicant: Dentsply Intl.
- Decided: Mar 23, 1982 after 56 days
- Product code: EJK (Liner, Cavity, Calcium Hydroxide)
- Device class: 2
- Regulation: 21 CFR 872.3250
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
13 later devices descend from it; 1 cites it directly.
0 of 14 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K113568: Mta-Fillapex (2012), 12 descendants of its own
- K170175: Endoseal Mta (2018), 8 descendants of its own
- K201799: CleaniCal (2021), 2 descendants of its own
- K140247: Mta Fillapex (2014), 2 descendants of its own
- K202015: White ENDOSEAL MTA (2021), 1 descendant of its own

Source page: https://510kreport.com/device/K820215
Methodology: https://510kreport.com/methodology