510(k) Report

510(k) · Cleared

Cleared

Comfortsoft Soft Denture Liner System

K140146510(k) TraditionalCleared Apr 29, 201497-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

Whip Mix Corp. · EBI Resin, Denture, Relining, Repairing, Rebasing

Cleared on Apr 29, 2014 as substantially equivalent to K964040 (Dentsply Intl., 1996) after a 97-day review. Its family tree reaches back 2 generations to 1990.

Decided
Apr 29, 2014
Review
97 days
Class
Class II
Product code
EBI
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K901621 (1990). 3 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1994: 1 other ancestorK901621 · New Per-Fit (R) Improved · Dental Product Co. · 1990K964040 · Trubyte Soft Reline System · Dentsply Intl. · 1996199019952000200520102015
Other ancestors, by generation 2 generations back: 1 other ancestor K964040 · Trubyte Soft Reline System · Dentsply Intl. · 1996K901621 · New Per-Fit (R) Improved · Dental Product Co. · 19900
  1. Root · 2 generations backK901621 New Per-Fit (R) ImprovedDental Product Co. · 1990
  2. 1 generation backK964040 Trubyte Soft Reline SystemDentsply Intl. · 1996
  3. This deviceK140146 Comfortsoft Soft Denture Liner SystemWhip Mix Corp. · 2014
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K901621New Per-Fit (R) ImprovedDental Product Co.1990—
−1K964040Trubyte Soft Reline SystemDentsply Intl.1996—
0 (this device)K140146Comfortsoft Soft Denture Liner SystemWhip Mix Corp.2014—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
FIG. 1 — Lineage of K140146, 1990–2014Source: 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
*K964040Trubyte Soft Reline System
Summary page 2
…ion: Class 11 5. PREDICATE DEVICE COMPARISON ComfortSoft Soft Denture Liner System Is substantially equivalent to Luci-Sof (trubyte) made by Dentsply (K964040). The Indications For Use for both devices state they are intended as a long term soft liner for removable dentures and are Shore…
Dentsply Intl.1996—

Also cleared against K964040: 1 other device →

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?

  • The line of descent spans 24 years and passes through 3 companies; a new generation was cleared every 17.4 years on median.
  • None of the 3 ancestors has a recall.
  • 1 other device also cites its predicate K964040.

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. 2014, 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 ComfortSoft' Soft Denture Liner System Is Intended for use as a long-term soft liner for removable dentures

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K140146: Comfortsoft Soft Denture Liner System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K140146

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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