510(k) Report

510(k) · Cleared

Cleared

Wieland Zeno Cao Temporary Pmma Disc, Tooth-Colored

K071548510(k) TraditionalCleared Aug 21, 200776-day reviewClass II21 CFR 872.3770

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

Merz Dental GmbH · EBG Crown And Bridge, Temporary, Resin

Cleared on Aug 21, 2007 as substantially equivalent to K061809 (Merz Dental GmbH, 2006) and 1 other predicate after a 76-day review. Its family tree reaches back 2 generations to 1994. 211 later devices descend from it.

Decided
Aug 21, 2007
Review
76 days
Class
Class II
Product code
EBG
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K924830 (1994). 3 ancestors in all. 211 later devices descend from it, 5 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2006: 1 other ancestor2014: 5 descendants cleared2015: 9 descendants cleared2012: 1 descendant cleared2018: 13 descendants cleared2017: 7 descendants cleared2023: 31 descendants cleared2019: 11 descendants cleared2016: 7 descendants cleared2020: 16 descendants cleared2024: 29 descendants cleared2022: 18 descendants cleared2025: 25 descendants cleared2021: 21 descendants cleared2026: 18 descendants clearedK924830 · Luxatemp Automix · Dmg Chemisch Pharmazeutische Fabrik GmbH · 1994K060293 · Temporary Crown and Bridge Material · Dentsply International, Inc. · 20061990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 5 descendants2 generations forward: 18 descendants3 generations forward: 40 descendants4 generations forward: 53 descendants5 generations forward: 36 descendants6 generations forward: 26 descendants7 generations forward: 12 descendants8 generations forward: 12 descendants9 generations forward: 7 descendants10 generations forward: 1 descendant11 generations forward: 1 descendant K060293 · Temporary Crown and Bridge Material · Dentsply International, Inc. · 2006K924830 · Luxatemp Automix · Dmg Chemisch Pharmazeutische Fabrik GmbH · 19940+5+10
  1. Root · 2 generations backK924830 Luxatemp AutomixDmg Chemisch Pharmazeutische Fabrik GmbH · 1994
  2. 1 generation backK060293 Temporary Crown and Bridge MaterialDentsply International, Inc. · 2006
  3. This deviceK071548 Wieland Zeno Cao Temporary Pmma Disc, Tooth-ColoredMerz Dental GmbH · 2007
  4. Descendant · cites it directly · 165 of its ownK120822 Straumann Cares Variobase Abutment NNC, Straumann Cares Variobase…Institut Straumann AG · 2012
  5. Descendant · 2 generations on · 129 of its ownK150203 Medentika CAD/CAM AbutmentsMedentika GmbH · 2015
  6. Descendant · 2 generations on · 89 of its ownK150367 Neodent Implant SystemJjgc Industria E Comercio DE Materiais Dentarios S · 2015
  7. Descendant · 3 generations on · 86 of its ownK170588 DESS Dental Smart SolutionsTerrats Medical SL · 2017
  8. Descendant · 4 generations on · 51 of its ownK173908 DESS Dental Smart SolutionsTerrats Medical SL · 2018

Showing 5 of 211 descendants. See all descendants

Descendants cleared per year

2012: 12014: 52015: 92016: 72017: 72018: 132019: 112020: 162021: 212022: 182023: 312024: 292025: 252026: 18
2012high 31 (2023) · low 0 (2013)2026

Most influential descendants

Showing 5 of 211 · See all
  • K120822Straumann Cares Variobase Abutment NNC, Straumann Cares Variobase Abutment RN, Straumann…Institut Straumann AG · 2012 · cites it directly165descendants
  • K150203Medentika CAD/CAM AbutmentsMedentika GmbH · 2015 · 2 generations on129descendants
  • K150367Neodent Implant SystemJjgc Industria E Comercio DE Materiais Dentarios S · 2015 · 2 generations on89descendants
  • K170588DESS Dental Smart SolutionsTerrats Medical SL · 2017 · 3 generations on86descendants
  • K173908DESS Dental Smart SolutionsTerrats Medical SL · 2018 · 4 generations on51descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K924830Luxatemp AutomixDmg Chemisch Pharmazeutische Fabrik GmbH1994—
−1K060293Temporary Crown and Bridge MaterialDentsply International, Inc.2006—
0 (this device)K071548Wieland Zeno Cao Temporary Pmma Disc, Tooth-ColoredMerz Dental GmbH2007—
+1K120822Straumann Cares Variobase Abutment NNC, Straumann Cares Variobase Abutment RN…Institut Straumann AG2012—
+2K150203Medentika CAD/CAM AbutmentsMedentika GmbH2015—
+2K150367Neodent Implant SystemJjgc Industria E Comercio DE Materiais Dentarios S2015—
+3K170588DESS Dental Smart SolutionsTerrats Medical SL2017—
+4K173908DESS Dental Smart SolutionsTerrats Medical SL2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200610

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201210
201450
201590
201670
201770
2018130
2019110
2020160
2021210
2022180
2023310
2024290
2025250
2026180
FIG. 1 — Lineage of K071548, 1994–2026Source: 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 EBG? 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 EBG device

  1. #1 K253380 “FLNT Base” and “FLNT Temp”score 12.4 · 6 generations · 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? (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
*K061809Artegral ImcrownMerz Dental GmbH2006—
*K060293Temporary Crown and Bridge Material
Summary page 1
…Merz Dental (KO61 809) Temporary Crown and Bridge Material, Dentsply International (K060293) Description of the device: Discs of PMMA in two sizes and three shades for mill…
Dentsply International, Inc.2006—

Also cleared against K061809: 1 other device →

What descends from it? (211)

See all 211

5 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K120822Straumann Cares Variobase Abutment NNC, Straumann Cares Variobase Abutment RN, Straumann…Institut Straumann AG2012165
K150432Idodentine Disc, Idodentine BlockUnion Dental S.A.201523
K140758M-PM-Disc (Pink)Merz Dental GmbH201417
K134015M-PM-DiscMerz Dental GmbH20141
K140894Argen PmmaThe Argen Corporation20140

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 13 years and passes through 3 companies; a new generation was cleared every 11.8 years on median.
  • None of the 3 ancestors has a recall.
  • Of its descendants, K120822 (Institut Straumann AG, 2012) has gone furthest, with 165 descendants of its own.
  • 1 other device also cites its predicate K061809.

How does its category compare?

All EBG devices

EBG Crown And Bridge, Temporary, Resin: FDA decisions, review times, recalls and adverse event reports over 20 years. 2007, this device’s year, is highlighted.

FDA decisions per year · EBG

4in 2025

2007: 32008: 92009: 22010: 52011: 102012: 52013: 22014: 32015: 62016: 42017: 22018: 42019: 62020: 142021: 32022: 32023: 22024: 52025: 42026 (partial year): 2
2007high 14 (2020) · low 2 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EBG

106in 2025

2007: 64 days median2008: 83 days median2010: 103 days median2011: 96 days median2012: 90 days median2014: 114 days median2015: 209 days median2016: 163 days median2018: 202 days median2019: 98 days median2020: 194 days median2021: 265 days median2022: 73 days median2024: 144 days median2025: 106 days median
2007high 265 (2021) · low 64 (2007)2026

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

Recalls per year · EBG

1in 2020

2009: 12020: 1
2007high 1 (2009) · low 0 (2007)2026

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

Adverse event reports per year · EBG

1in 2025

2007: 42008: 42009: 12010: 12011: 12012: 52013: 112014: 232015: 262016: 82017: 42019: 62020: 22021: 42022: 22025: 1
2007high 26 (2015) · low 0 (2018)2025

MAUDE reports naming product code EBG, 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
200736404
200898304
20092—11
2010510301
2011109601
201259005
20132—011
20143114023
20156209026
2016416308
20172—04
2018420200
201969806
20201419412
2021326504
202237302
20232—00
2024514400
2025410601
20262—0—

What is it indicated for?

For use as a milling blank in the fabrication of provisional crowns and bridges.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K071548: Wieland Zeno Cao Temporary Pmma Disc, Tooth-Colored.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K071548

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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