510(k) Report

510(k) · Cleared

Cleared

Sirotorque L

K031584510(k) TraditionalCleared Aug 19, 200390-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

Sirona Dental Systems GmbH · EBW Controller, Foot, Handpiece And Cord

Cleared on Aug 19, 2003 as substantially equivalent to K964860 (Bell Intl., Inc., 1997) after a 90-day review. Its family tree reaches back 1 generation to 1997. 13 later devices descend from it.

Decided
Aug 19, 2003
Review
90 days
Class
Class I
Product code
EBW
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K964860 (1997). 13 later devices descend from it, 4 citing it directly.

Descendants, by year cleared 2014: 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 clearedK964860 · Mark 20 and Mark 25 Hand Engine Controller · Bell Intl., Inc. · 19971995200020052010201520202025
Descendants, by generation 1 generation forward: 4 descendants2 generations forward: 6 descendants3 generations forward: 2 descendants4 generations forward: 1 descendant K964860 · Mark 20 and Mark 25 Hand Engine Controller · Bell Intl., Inc. · 19970
  1. Root · 1 generation backK964860 Mark 20 and Mark 25 Hand Engine ControllerBell Intl., Inc. · 1997
  2. This deviceK031584 Sirotorque LSirona Dental Systems GmbH · 2003
  3. Descendant · cites it directly · 11 of its ownK042759 Optima MXBien-Air SA Switzerland · 2004
  4. Descendant · cites it directly · 4 of its ownK080677 Comfortronic 4894 and Comfortdrive 200XDA HandpieceKaltenbach & Voigt GmbH & Co. · 2008
  5. Descendant · cites it directly · 2 of its ownK103027 Electrotorque TLCKaltenbach & Voigt GmbH · 2011
  6. Descendant · 2 generations on · 2 of its ownK090937 E-Statis 40 SystemScican, Ltd. · 2009
  7. Descendant · 2 generations on · 1 of its ownK201191 Elec-LedMicro-Nx Co., Ltd. · 2022

Showing 5 of 13 descendants. See all descendants

Descendants cleared per year

2004: 12008: 12009: 12011: 12012: 12014: 12017: 22019: 12022: 22026: 2
2004high 2 (2017) · low 0 (2005)2026

Most influential descendants

Showing 5 of 13 · See all
  • K042759Optima MXBien-Air SA Switzerland · 2004 · cites it directly11descendants
  • K080677Comfortronic 4894 and Comfortdrive 200XDA HandpieceKaltenbach & Voigt GmbH & Co. · 2008 · cites it directly4descendants
  • K103027Electrotorque TLCKaltenbach & Voigt GmbH · 2011 · cites it directly2descendants
  • K090937E-Statis 40 SystemScican, Ltd. · 2009 · 2 generations on2descendants
  • K201191Elec-LedMicro-Nx Co., Ltd. · 2022 · 2 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K964860Mark 20 and Mark 25 Hand Engine ControllerBell Intl., Inc.1997—
0 (this device)K031584Sirotorque LSirona Dental Systems GmbH2003—
+1K042759Optima MXBien-Air SA Switzerland2004—
+1K080677Comfortronic 4894 and Comfortdrive 200XDA HandpieceKaltenbach & Voigt GmbH & Co.2008—
+1K103027Electrotorque TLCKaltenbach & Voigt GmbH2011—
+2K090937E-Statis 40 SystemScican, Ltd.2009—
+2K201191Elec-LedMicro-Nx Co., Ltd.2022—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200410
200810
200910
201110
201210
201410
201720
201910
202220
202620
FIG. 1 — Lineage of K031584, 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
*K964860Mark 20 and Mark 25 Hand Engine Controller
Summary page 1
…Classification Name: Dental Handpiece and Accessories 3. PREDICATE DEVICES Bell International Mark 20 and Mark 25 Hand Engine Controller (K964860) 4. INTENDED USE The SiroTorque L is intended to convert pneunlatic output from a dental treatment center to el…
Bell Intl., Inc.1997—

What descends from it? (13)

See all 13

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

NumberDeviceApplicantDecidedDescendants
K042759Optima MXBien-Air SA Switzerland200411
K080677Comfortronic 4894 and Comfortdrive 200XDA HandpieceKaltenbach & Voigt GmbH & Co.20084
K103027Electrotorque TLCKaltenbach & Voigt GmbH20112
K132570Electric Handpiece SystemTtbio Corp.20140

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.
  • Of its descendants, K042759 (Bien-Air SA Switzerland, 2004) has gone furthest, with 11 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?

The SiroTorque L is intended to convert pneumatic output from a dental treatment center to

electrical energy for operation of electrically-driven dental handpieces.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K031584: Sirotorque L.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K031584

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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