510(k) Report

510(k) · Cleared

Cleared

Mark 20 and Mark 25 Hand Engine Controller

K964860510(k) TraditionalCleared Mar 3, 199789-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

Bell Intl., Inc. · EBW Controller, Foot, Handpiece And Cord

Cleared on Mar 3, 1997 after an 89-day review. The FDA summary names its predicate without a number. 14 later devices descend from it.

Decided
Mar 3, 1997
Review
89 days
Class
Class I
Product code
EBW
Recalls
None
Predicates
0

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

Descendants, by year cleared 2003: 1 descendant cleared2014: 1 descendant cleared2008: 1 descendant cleared2004: 1 descendant cleared2011: 1 descendant cleared2022: 2 descendants cleared2009: 1 descendant cleared2012: 1 descendant cleared2019: 1 descendant cleared2017: 2 descendants cleared2026: 2 descendants cleared1995200020052010201520202025
  1. This deviceK964860 Mark 20 and Mark 25 Hand Engine ControllerBell Intl., Inc. · 1997
  2. Descendant · cites it directly · 13 of its ownK031584 Sirotorque LSirona Dental Systems GmbH · 2003
  3. Descendant · 2 generations on · 11 of its ownK042759 Optima MXBien-Air SA Switzerland · 2004
  4. Descendant · 2 generations on · 4 of its ownK080677 Comfortronic 4894 and Comfortdrive 200XDA HandpieceKaltenbach & Voigt GmbH & Co. · 2008
  5. Descendant · 2 generations on · 2 of its ownK103027 Electrotorque TLCKaltenbach & Voigt GmbH · 2011
  6. Descendant · 3 generations on · 2 of its ownK090937 E-Statis 40 SystemScican, Ltd. · 2009

Showing 5 of 14 descendants. See all descendants

Descendants cleared per year

2003: 12004: 12008: 12009: 12011: 12012: 12014: 12017: 22019: 12022: 22026: 2
2003high 2 (2017) · low 0 (2005)2026

Most influential descendants

Showing 5 of 14 · See all
  • K031584Sirotorque LSirona Dental Systems GmbH · 2003 · cites it directly13descendants
  • K042759Optima MXBien-Air SA Switzerland · 2004 · 2 generations on11descendants
  • K080677Comfortronic 4894 and Comfortdrive 200XDA HandpieceKaltenbach & Voigt GmbH & Co. · 2008 · 2 generations on4descendants
  • K103027Electrotorque TLCKaltenbach & Voigt GmbH · 2011 · 2 generations on2descendants
  • K090937E-Statis 40 SystemScican, Ltd. · 2009 · 3 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K964860Mark 20 and Mark 25 Hand Engine ControllerBell Intl., Inc.1997—
+1K031584Sirotorque LSirona Dental Systems GmbH2003—
+2K042759Optima MXBien-Air SA Switzerland2004—
+2K080677Comfortronic 4894 and Comfortdrive 200XDA HandpieceKaltenbach & Voigt GmbH & Co.2008—
+2K103027Electrotorque TLCKaltenbach & Voigt GmbH2011—
+3K090937E-Statis 40 SystemScican, Ltd.2009—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200310
200410
200810
200910
201110
201210
201410
201720
201910
202220
202620
FIG. 1 — Lineage of K964860, 1997–2026Source: 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 EBW? 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 EBW device

  1. #1 K251701 Star E900 Electric Systemscore 12.2 · 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? (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
*—25-D hand engine and C-310 Console (Controller)
Named without a submission number
—

What descends from it? (14)

See all 14

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

NumberDeviceApplicantDecidedDescendants
K031584Sirotorque LSirona Dental Systems GmbH200313

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, K031584 (Sirona Dental Systems GmbH, 2003) has gone furthest, with 13 descendants of its own.

How does its category compare?

All EBW devices

EBW Controller, Foot, Handpiece And Cord: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · EBW

3in 2025

2009: 52010: 12011: 32012: 12013: 12014: 32015: 12016: 12017: 42018: 12019: 22020: 12021: 22022: 62024: 42025: 32026 (partial year): 3
2007high 6 (2022) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EBW

220in 2025

2009: 112 days median2011: 226 days median2014: 189 days median2017: 227 days median2022: 479 days median2024: 268 days median2025: 220 days median2026 (partial year): 269 days median
2007high 479 (2022) · low 112 (2009)2026

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

Recalls per year · EBW

1in 2013

2013: 1
2007high 1 (2013) · low 0 (2007)2026

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

Adverse event reports per year · EBW

13in 2025

2009: 162010: 182011: 12012: 52013: 12014: 42015: 132016: 62017: 132018: 462019: 552020: 712021: 572022: 312023: 172024: 142025: 13
2007high 71 (2020) · low 0 (2007)2025

MAUDE reports naming product code EBW, 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
20070—00
20080—00
20095112016
20101—018
2011322601
20121—05
20131—11
2014318904
20151—013
20161—06
20174227013
20181—046
20192—055
20201—071
20212—057
20226479031
20230—017
20244268014
20253220013
202632690—

What is it indicated for?

Engine, power supply and controller for dental handpiece

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. “K964860: Mark 20 and Mark 25 Hand Engine Controller.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K964860

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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