510(k) Report

510(k) · Cleared

Cleared

Tokuyama Curegrace

K170549510(k) TraditionalCleared Jul 5, 2017131-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

Tokuyama Dental Corporation · EBI Resin, Denture, Relining, Repairing, Rebasing

Cleared on Jul 5, 2017 as substantially equivalent to K984365 (GC America, Inc., 1999) after a 131-day review. Its family tree reaches back 1 generation to 1999.

Decided
Jul 5, 2017
Review
131 days
Class
Class II
Product code
EBI
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K984365 (1999). No later device cites it as a predicate yet.

K984365 · GC Unifast Trad · GC America, Inc. · 19990
  1. Root · 1 generation backK984365 GC Unifast TradGC America, Inc. · 1999
  2. This deviceK170549 Tokuyama CuregraceTokuyama Dental Corporation · 2017
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K984365GC Unifast TradGC America, Inc.1999—
0 (this device)K170549Tokuyama CuregraceTokuyama Dental Corporation2017—
FIG. 1 — Lineage of K170549, 1999–2017Source: 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
*K984365GC Unifast Trad
Summary page 7
…ference device Device name TOKUYAMA CUREGRACE GC UNIFAST TRAD ONIFAST I Manufacturer Tokuyama Dental Corporation GC America Inc. GC America Inc. 510(K) number (Pending) K984365 K073106 Device classification name -~ Resin, denture, relining, repairing, rebasing - Crown and bridge, temporary, resin - Re…
GC America, Inc.1999—
†K073106Unifast IiiGC America, Inc.2008—

What descends from it?

No later submission names this one as a predicate yet.

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.

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. 2017, 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?

The TOKUYAMA CUREGRACE device is an acrylic resin used in a variety of dental applications such as:

- Temporary inlay, crowns and bridges

- Repair of broken or cracked dentures

- Denture border extension.

- Replacement of lost denture teeth

- Adjustment of the occlusal height of resin teeth

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K170549: Tokuyama Curegrace.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K170549

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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