510(k) Report

510(k) · Cleared

Cleared

T1 Control High Speed Dental Handpiece

K965238510(k) TraditionalCleared Mar 19, 199778-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

Siemens AG · EFA Handpiece, Belt And/Or Gear Driven, Dental

Cleared on Mar 19, 1997 as substantially equivalent to K863677 (Midwest, 1986) and 2 other predicates after a 78-day review. Its family tree reaches back 1 generation to 1986. 24 later devices descend from it.

Decided
Mar 19, 1997
Review
78 days
Class
Class I
Product code
EFA
Recalls
None
Predicates
3

Its longest line of descent runs back 1 generation to K863677 (1986). 3 ancestors in all. 24 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1996: 1 other ancestor1995: 1 other ancestor2008: 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 clearedK863677 · Tradition High Speed Handpiece · Midwest · 19861990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors 1 generation forward: 1 descendant2 generations forward: 5 descendants3 generations forward: 4 descendants4 generations forward: 8 descendants5 generations forward: 3 descendants6 generations forward: 2 descendants7 generations forward: 1 descendant K863677 · Tradition High Speed Handpiece · Midwest · 19860+5
  1. Root · 1 generation backK863677 Tradition High Speed HandpieceMidwest · 1986
  2. This deviceK965238 T1 Control High Speed Dental HandpieceSiemens AG · 1997
  3. Descendant · cites it directly · 23 of its ownK073478 Supertorque High-Speed Handpieces and Gentlepower Handpieces and…Sybron Dental Specialties, Inc. · 2008
  4. Descendant · 2 generations on · 13 of its ownK102517 Tiger 500 Series High Speed Handpieces and AttachmentsThunder Tiger Corp. · 2011
  5. Descendant · 3 generations on · 8 of its ownK152146 High Speed Handpieces and AccessoriesCodent Technical Industry Co., Ltd. · 2015
  6. Descendant · 2 generations on · 5 of its ownK130560 Mastertorque Lux 8900 LKaltenbach & Voigt GmbH · 2013
  7. Descendant · 4 generations on · 4 of its ownK170229 Dental High-speed Turbine HandpieceGuangdong Jinme Medical Technology Co., Ltd. · 2017

Showing 5 of 24 descendants. See all descendants

Descendants cleared per year

2008: 12010: 12011: 12012: 12013: 12014: 22015: 22017: 12018: 22020: 22021: 12022: 22023: 22024: 22026: 3
2008high 3 (2026) · low 0 (2009)2026

Most influential descendants

Showing 5 of 24 · See all
  • K073478Supertorque High-Speed Handpieces and Gentlepower Handpieces and AttachementsSybron Dental Specialties, Inc. · 2008 · cites it directly23descendants
  • K102517Tiger 500 Series High Speed Handpieces and AttachmentsThunder Tiger Corp. · 2011 · 2 generations on13descendants
  • K152146High Speed Handpieces and AccessoriesCodent Technical Industry Co., Ltd. · 2015 · 3 generations on8descendants
  • K130560Mastertorque Lux 8900 LKaltenbach & Voigt GmbH · 2013 · 2 generations on5descendants
  • K170229Dental High-speed Turbine HandpieceGuangdong Jinme Medical Technology Co., Ltd. · 2017 · 4 generations on4descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K863677Tradition High Speed HandpieceMidwest1986—
0 (this device)K965238T1 Control High Speed Dental HandpieceSiemens AG1997—
+1K073478Supertorque High-Speed Handpieces and Gentlepower Handpieces and AttachementsSybron Dental Specialties, Inc.2008—
+2K102517Tiger 500 Series High Speed Handpieces and AttachmentsThunder Tiger Corp.2011—
+3K152146High Speed Handpieces and AccessoriesCodent Technical Industry Co., Ltd.2015—
+2K130560Mastertorque Lux 8900 LKaltenbach & Voigt GmbH2013—
+4K170229Dental High-speed Turbine HandpieceGuangdong Jinme Medical Technology Co., Ltd.2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
199610

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200810
201010
201110
201210
201310
201420
201520
201710
201820
202020
202110
202220
202320
202420
202630
FIG. 1 — Lineage of K965238, 1986–2026Source: 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 EFA? 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 EFA device

  1. #1 K192809 Dental Handpiecescore 3.5 · 3 generations · no Class I recall
Get a 510(k) Report

What was it cleared against? (3)

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
*K863677Tradition High Speed Handpiece
Summary page 2
…al handpieces currently in U.S. commercial distribution. Examples of substantially equivalent devices include the Tradition high-speed bandpiece manufactured by Midwest (K863677), the Star Dental 430 series high-speed handpiece manufactured by DEN-TAL-EZ, Inc. (K960719), and the W&H 898 Top Light high-spee…
Midwest1986—
*K960719Star Dental 430 Series High Speed Handpiece
Summary page 2
…t devices include the Tradition high-speed bandpiece manufactured by Midwest (K863677), the Star Dental 430 series high-speed handpiece manufactured by DEN-TAL-EZ, Inc. (K960719), and the W&H 898 Top Light high-speed handpiece manufactured by A-DEC, Inc. (K944710). 7. PERFORMANCE TESTING The Siemens T1 C…
Dentalez Group19961
*K944710W&H 898 Top Light Highspeed
Summary page 2
…, the Star Dental 430 series high-speed handpiece manufactured by DEN-TAL-EZ, Inc. (K960719), and the W&H 898 Top Light high-speed handpiece manufactured by A-DEC, Inc. (K944710). 7. PERFORMANCE TESTING The Siemens T1 CONTROL Dental Handpiece complies with ISO Standard 7785-1 for High Speed Air Turbine H…
A-Dec, Inc.1995—

Also cleared against K863677: 4 other devices →

What descends from it? (24)

See all 24

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

NumberDeviceApplicantDecidedDescendants
K073478Supertorque High-Speed Handpieces and Gentlepower Handpieces and AttachementsSybron Dental Specialties, Inc.200823

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?

  • 1 of the 3 ancestors has a recall of any class.
  • Of its descendants, K073478 (Sybron Dental Specialties, Inc., 2008) has gone furthest, with 23 descendants of its own.
  • 4 other devices also cite its predicate K863677.

How does its category compare?

All EFA devices

EFA Handpiece, Belt And/Or Gear Driven, Dental: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · EFA

1in 2020

2007: 12009: 42010: 22015: 12017: 12020: 1
2007high 4 (2009) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EFA

78in 2009

2009: 78 days median
2007high 78 (2009)2026

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

Recalls per year · EFA

1in 2010

2010: 1
2007high 1 (2010) · low 0 (2007)2026

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

Adverse event reports per year · EFA

4in 2025

2007: 12008: 172010: 12011: 42012: 12016: 12017: 22018: 972019: 592020: 22022: 42023: 32024: 52025: 4
2007high 97 (2018) · low 0 (2009)2025

MAUDE reports naming product code EFA, 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
20071—01
20080—017
200947800
20102—11
20110—04
20120—01
20130—00
20140—00
20151—00
20160—01
20171—02
20180—097
20190—059
20201—02
20210—00
20220—04
20230—03
20240—05
20250—04
20260—0—

What is it indicated for?

The Siemens T1 CONTROL high speed dental handpiece is intended for use in the dental operatory to prepare dental cavities for restorations, such as fillings.

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. “K965238: T1 Control High Speed Dental Handpiece.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K965238

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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