510(k) Report

510(k) · Cleared

Cleared

Flexible Block

K213994510(k) TraditionalCleared Mar 4, 202273-day reviewClass II21 CFR 872.3760

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Shandong Huge Dental Material Corporation · EBI Resin, Denture, Relining, Repairing, Rebasing

Cleared on Mar 4, 2022 as substantially equivalent to K150454 (Perflex, 2015) after a 73-day review. Its family tree reaches back 1 generation to 2015. 1 later device descends from it.

Decided
Mar 4, 2022
Review
73 days
Class
Class II
Product code
EBI
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K150454 (2015). 1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2025: 1 descendant clearedK150454 · Acryfree Denture Base Material and Biosens Denture Base Material · Perflex · 2015201620182020202220242026
Descendants, by generation 1 generation forward: 1 descendant K150454 · Acryfree Denture Base Material and Biosens Denture Base Material · Perflex · 20150
  1. Root · 1 generation backK150454 Acryfree Denture Base Material and Biosens Denture Base MaterialPerflex · 2015
  2. This deviceK213994 Flexible BlockShandong Huge Dental Material Corporation · 2022
  3. Descendant · cites it directly · 0 of its ownK250302 Flexible Partial ResinPrismatik Dentalcraft, Inc. · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K250302Flexible Partial ResinPrismatik Dentalcraft, Inc. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K150454Acryfree Denture Base Material and Biosens Denture Base MaterialPerflex2015—
0 (this device)K213994Flexible BlockShandong Huge Dental Material Corporation2022—
+1K250302Flexible Partial ResinPrismatik Dentalcraft, Inc.2025—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K213994, 2015–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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. #1 K250617 Apex Flexscore 18.3 · 1 generation · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K150454Acryfree Denture Base Material and Biosens Denture Base Material
Summary page 4
…0 (k) NO. Equivalent (SE) Product code Decision Date PERFLEX Perflex Biosens K150454 05/26/2015 EBI, MQC This predicate device have not been subject to a design-related recall. 5. Descriptio…
Perflex2015—

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K250302Flexible Partial ResinPrismatik Dentalcraft, Inc.20250

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?

  • Its one ancestor has no recall.
  • Of its descendants, K250302 (Prismatik Dentalcraft, Inc., 2025) has gone furthest, with 0 descendants of its own.

How does its category compare?

All EBI devices

EBI Resin, Denture, Relining, Repairing, Rebasing: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · EBI

11in 2025

2007: 102008: 62009: 32010: 42011: 112012: 32013: 52014: 52015: 92016: 72017: 82018: 52019: 42020: 62021: 42022: 112023: 112024: 92025: 112026 (partial year): 7
2007high 11 (2011) · low 3 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EBI

79in 2025

2007: 53 days median2008: 124 days median2009: 234 days median2010: 95 days median2011: 113 days median2012: 85 days median2013: 135 days median2014: 102 days median2015: 106 days median2016: 147 days median2017: 196 days median2018: 158 days median2019: 127 days median2020: 283 days median2021: 99 days median2022: 154 days median2023: 96 days median2024: 90 days median2025: 79 days median2026 (partial year): 87 days median
2007high 283 (2020) · low 53 (2007)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · EBI

2in 2022

2018: 22022: 2
2007high 2 (2018) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · EBI

34in 2025

2007: 72008: 22009: 52010: 42011: 62012: 92013: 52014: 92015: 82016: 92017: 22018: 22019: 102020: 82021: 252022: 22023: 132024: 12025: 34
2007high 34 (2025) · low 1 (2024)2025

MAUDE reports naming product code EBI, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007105307
2008612402
2009323405
201049504
20111111306
201238509
2013513505
2014510209
2015910608
2016714709
2017819602
2018515822
20194127010
2020628308
2021499025
20221115422
20231196013
202499001
20251179034
20267870—

What is it indicated for?

Intended for making dental plates, bite plates, frame-works, clasps,personal trays, appliances, occlusal splints and night guards.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K213994: Flexible Block.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K213994

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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