510(k) Report

510(k) · Cleared

Cleared

Major.Base 20

K081884510(k) AbbreviatedCleared Oct 8, 200898-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

Major Prodotti Dentari S.P.A. · EBI Resin, Denture, Relining, Repairing, Rebasing

Cleared on Oct 8, 2008 as substantially equivalent to K901789 (Kulzer, Inc., 1990) and 1 other predicate after a 98-day review. Its family tree reaches back 1 generation to 1990. 21 later devices descend from it.

Decided
Oct 8, 2008
Review
98 days
Class
Class II
Product code
EBI
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K901789 (1990). 2 ancestors in all. 21 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1991: 1 other ancestor2010: 1 descendant cleared2022: 3 descendants cleared2013: 1 descendant cleared2014: 1 descendant cleared2015: 1 descendant cleared2016: 1 descendant cleared2020: 1 descendant cleared2023: 3 descendants cleared2021: 1 descendant cleared2018: 1 descendant cleared2024: 3 descendants cleared2026: 4 descendants clearedK901789 · Paladon (R) 65 · Kulzer, Inc. · 19901990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 2 descendants3 generations forward: 1 descendant4 generations forward: 2 descendants5 generations forward: 5 descendants6 generations forward: 6 descendants7 generations forward: 3 descendants8 generations forward: 1 descendant K901789 · Paladon (R) 65 · Kulzer, Inc. · 19900+5
  1. Root · 1 generation backK901789 Paladon (R) 65Kulzer, Inc. · 1990
  2. This deviceK081884 Major.Base 20Major Prodotti Dentari S.P.A. · 2008
  3. Descendant · cites it directly · 20 of its ownK102654 Vertex Rapid SimplifiedVertex-Dental B.V. · 2010
  4. Descendant · 2 generations on · 18 of its ownK130076 Promolux, Promolux HI, Weropress, Premeco PCSMerz Dental GmbH · 2013
  5. Descendant · 3 generations on · 17 of its ownK140758 M-PM-Disc (Pink)Merz Dental GmbH · 2014
  6. Descendant · 4 generations on · 14 of its ownK151142 Ivobase Cad for Zenotec, Ivobase Cad Bond, Ivobase Cad Modelling…Wieland Dental + Technik GmbH & Co. KG · 2015
  7. Descendant · 5 generations on · 7 of its ownK210977 E-Dent 1000Envisiontec GmbH · 2021

Showing 5 of 21 descendants. See all descendants

Descendants cleared per year

2010: 12013: 12014: 12015: 12016: 12018: 12020: 12021: 12022: 32023: 32024: 32026: 4
2010high 4 (2026) · low 0 (2011)2026

Most influential descendants

Showing 5 of 21 · See all
  • K102654Vertex Rapid SimplifiedVertex-Dental B.V. · 2010 · cites it directly20descendants
  • K130076Promolux, Promolux HI, Weropress, Premeco PCSMerz Dental GmbH · 2013 · 2 generations on18descendants
  • K140758M-PM-Disc (Pink)Merz Dental GmbH · 2014 · 3 generations on17descendants
  • K151142Ivobase Cad for Zenotec, Ivobase Cad Bond, Ivobase Cad Modelling LiquidWieland Dental + Technik GmbH & Co. KG · 2015 · 4 generations on14descendants
  • K210977E-Dent 1000Envisiontec GmbH · 2021 · 5 generations on7descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K901789Paladon (R) 65Kulzer, Inc.1990—
0 (this device)K081884Major.Base 20Major Prodotti Dentari S.P.A.2008—
+1K102654Vertex Rapid SimplifiedVertex-Dental B.V.2010—
+2K130076Promolux, Promolux HI, Weropress, Premeco PCSMerz Dental GmbH2013—
+3K140758M-PM-Disc (Pink)Merz Dental GmbH2014—
+4K151142Ivobase Cad for Zenotec, Ivobase Cad Bond, Ivobase Cad Modelling LiquidWieland Dental + Technik GmbH & Co. KG2015—
+5K210977E-Dent 1000Envisiontec GmbH2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201010
201310
201410
201510
201610
201810
202010
202110
202230
202330
202430
202640
FIG. 1 — Lineage of K081884, 1990–2026Source: 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
Get a 510(k) Report

What was it cleared against? (2)

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
*K901789Paladon (R) 65
Summary page 1
…, reparing, or rebasing resin (21 CFR 872.3760, Product Code EBI) Predicate Devices Paladone65 by Heraeus Kulzer GmbH & Co .......K901789 Probase Hot by Ivoclar Vivadent AG ................... K913655 DESCRIPTION OF THE DEVICE Major.ba…
Kulzer, Inc.1990—
*K913655Probase Hot and Probase Cold
Summary page 1
…) Predicate Devices Paladone65 by Heraeus Kulzer GmbH & Co .......K901789 Probase Hot by Ivoclar Vivadent AG ................... K913655 DESCRIPTION OF THE DEVICE Major.base 20 is a denture base, poly(methyl methacrylate)-based polymers for dental prosthesis. It c…
Ivoclar North America, Inc.1991—

Also cleared against K901789: 2 other devices →

What descends from it? (21)

See all 21

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

NumberDeviceApplicantDecidedDescendants
K102654Vertex Rapid SimplifiedVertex-Dental B.V.201020

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?

  • None of the 2 ancestors has a recall.
  • Of its descendants, K102654 (Vertex-Dental B.V., 2010) has gone furthest, with 20 descendants of its own.
  • 2 other devices also cite its predicate K901789.

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. 2008, 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?

Major.Base 20 is a denture base polymer for dental prosthesis. Poly-methylmethacrylate based. Heat-processed polymer. Powder and liquid.

It is used for:

- dental prosthesis

- partial prosthesis

- clasp prosthesis

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K081884: Major.Base 20.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K081884

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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