510(k) Report

510(k) · Cleared

Cleared

W&H 898 Top Light Highspeed

K944710510(k) TraditionalCleared Jun 2, 1995252-day reviewClass I21 CFR 872.4200

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

A-Dec, Inc. · EFB Handpiece, Air-Powered, Dental

Cleared on Jun 2, 1995 after a 252-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 25 later devices descend from it.

Decided
Jun 2, 1995
Review
252 days
Class
Class I
Product code
EFB
Recalls
None
Predicates
0

25 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 1997: 1 descendant cleared2008: 1 descendant cleared2022: 2 descendants cleared2010: 1 descendant cleared2013: 1 descendant cleared2014: 2 descendants cleared2011: 1 descendant cleared2015: 2 descendants cleared2012: 1 descendant cleared2018: 2 descendants cleared2026: 3 descendants cleared2021: 1 descendant cleared2024: 2 descendants cleared2017: 1 descendant cleared2020: 2 descendants cleared2023: 2 descendants cleared1995200020052010201520202025
  1. This deviceK944710 W&H 898 Top Light HighspeedA-Dec, Inc. · 1995
  2. Descendant · cites it directly · 24 of its ownK965238 T1 Control High Speed Dental HandpieceSiemens AG · 1997
  3. Descendant · 2 generations on · 23 of its ownK073478 Supertorque High-Speed Handpieces and Gentlepower Handpieces and…Sybron Dental Specialties, Inc. · 2008
  4. Descendant · 3 generations on · 13 of its ownK102517 Tiger 500 Series High Speed Handpieces and AttachmentsThunder Tiger Corp. · 2011
  5. Descendant · 4 generations on · 8 of its ownK152146 High Speed Handpieces and AccessoriesCodent Technical Industry Co., Ltd. · 2015
  6. Descendant · 3 generations on · 5 of its ownK130560 Mastertorque Lux 8900 LKaltenbach & Voigt GmbH · 2013

Showing 5 of 25 descendants. See all descendants

Descendants cleared per year

1997: 12008: 12010: 12011: 12012: 12013: 12014: 22015: 22017: 12018: 22020: 22021: 12022: 22023: 22024: 22026: 3
1997high 3 (2026) · low 0 (1998)2026

Most influential descendants

Showing 5 of 25 · See all
  • K965238T1 Control High Speed Dental HandpieceSiemens AG · 1997 · cites it directly24descendants
  • K073478Supertorque High-Speed Handpieces and Gentlepower Handpieces and AttachementsSybron Dental Specialties, Inc. · 2008 · 2 generations on23descendants
  • K102517Tiger 500 Series High Speed Handpieces and AttachmentsThunder Tiger Corp. · 2011 · 3 generations on13descendants
  • K152146High Speed Handpieces and AccessoriesCodent Technical Industry Co., Ltd. · 2015 · 4 generations on8descendants
  • K130560Mastertorque Lux 8900 LKaltenbach & Voigt GmbH · 2013 · 3 generations on5descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K944710W&H 898 Top Light HighspeedA-Dec, Inc.1995—
+1K965238T1 Control High Speed Dental HandpieceSiemens AG1997—
+2K073478Supertorque High-Speed Handpieces and Gentlepower Handpieces and AttachementsSybron Dental Specialties, Inc.2008—
+3K102517Tiger 500 Series High Speed Handpieces and AttachmentsThunder Tiger Corp.2011—
+4K152146High Speed Handpieces and AccessoriesCodent Technical Industry Co., Ltd.2015—
+3K130560Mastertorque Lux 8900 LKaltenbach & Voigt GmbH2013—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199710
200810
201010
201110
201210
201310
201420
201520
201710
201820
202020
202110
202220
202320
202420
202630
FIG. 1 — Lineage of K944710, 1995–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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

Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in EFB? 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 EFB device

  1. #1 K262144 DIAMED Handpiece;DIAMED Airmotor;DIAMED…score 13.3 · 5 generations · 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?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (25)

See all 25

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

NumberDeviceApplicantDecidedDescendants
K965238T1 Control High Speed Dental HandpieceSiemens AG199724

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?

  • Of its descendants, K965238 (Siemens AG, 1997) has gone furthest, with 24 descendants of its own.

How does its category compare?

All EFB devices

EFB Handpiece, Air-Powered, Dental: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · EFB

1in 2025

2007: 122008: 72009: 112010: 82011: 42012: 82013: 32014: 72015: 72016: 32017: 72018: 32019: 32020: 52021: 22022: 52023: 42024: 52025: 12026 (partial year): 4
2007high 12 (2007) · low 1 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EFB

209in 2024

2007: 61 days median2008: 97 days median2009: 120 days median2010: 116 days median2011: 168 days median2012: 130 days median2013: 207 days median2014: 200 days median2015: 296 days median2016: 205 days median2017: 246 days median2018: 210 days median2019: 348 days median2020: 259 days median2022: 430 days median2023: 158 days median2024: 209 days median2026 (partial year): 252 days median
2007high 430 (2022) · low 61 (2007)2026

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

Recalls per year · EFB

No recall names EFB since 2007.

Adverse event reports per year · EFB

83in 2025

2007: 132008: 192009: 402010: 782011: 962012: 972013: 612014: 732015: 872016: 1222017: 1532018: 812019: 1172020: 942021: 1232022: 1572023: 1162024: 1042025: 83
2007high 157 (2022) · low 13 (2007)2025

MAUDE reports naming product code EFB, 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
20071261013
2008797019
200911120040
20108116078
20114168096
20128130097
20133207061
20147200073
20157296087
201632050122
201772460153
20183210081
201933480117
20205259094
20212—0123
202254300157
202341580116
202452090104
20251—083
202642520—
Cite this page

510(k) Report. “K944710: W&H 898 Top Light Highspeed.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K944710

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026