510(k) Report

510(k) · Cleared

Cleared

Dental High-speed Handpiece and Accessories

K173943510(k) TraditionalCleared Jul 24, 2018210-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

Microp Technology (Taiwan), Inc. · EFB Handpiece, Air-Powered, Dental

Cleared on Jul 24, 2018 as substantially equivalent to K130560 (Kaltenbach & Voigt GmbH, 2013) after a 210-day review. Its family tree reaches back 4 generations to 1999.

Decided
Jul 24, 2018
Review
210 days
Class
Class I
Product code
EFB
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K992011 (1999). 10 ancestors in all, the oldest K863677 (1986). No later device cites it as a predicate yet.

  1. Root · 4 generations backK992011 Synea-HS High Speed-HandpieceA-Dec, Inc. · 1999
  2. 3 generations backK043498 Twin Power Turbine High Speed Air Turbine Dental HandpieceJ. Morita USA, Inc. · 2005
  3. 2 generations backK061701 High Speed Air Turbine Handpieces, Par-4HEX/4HX Series (Twin Power…J. Morita USA, Inc. · 2006
  4. 1 generation backK130560 Mastertorque Lux 8900 LKaltenbach & Voigt GmbH · 2013
  5. This deviceK173943 Dental High-speed Handpiece and AccessoriesMicrop Technology (Taiwan), Inc. · 2018
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K992011Synea-HS High Speed-HandpieceA-Dec, Inc.1999—
−3K043498Twin Power Turbine High Speed Air Turbine Dental HandpieceJ. Morita USA, Inc.2005—
−2K061701High Speed Air Turbine Handpieces, Par-4HEX/4HX Series (Twin Power Turbine 4H)J. Morita USA, Inc.2006—
−1K130560Mastertorque Lux 8900 LKaltenbach & Voigt GmbH2013—
0 (this device)K173943Dental High-speed Handpiece and AccessoriesMicrop Technology (Taiwan), Inc.2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198610
199510
199610
199710
200710
200810
FIG. 1 — Lineage of K173943, 1999–2018Source: 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 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
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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
*K130560Mastertorque Lux 8900 L
Summary page 4
…807.92(a)(3) Predicate Device MASTERtorque LUX 8900 L K-number K130560 Applicant KALTENBACH & VOIGT GMBH (KaVo) Classification Name Handpiece, Air-powered, De…
Kaltenbach & Voigt GmbH2013—
†K141886MDK HandpiecesModern Korea Co., Ltd.2015—

Also cleared against K130560: 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 19 years and passes through 4 companies; a new generation was cleared every 5.4 years on median.
  • 1 of the 10 ancestors has a recall of any class.
  • 1 other device also cites its predicate K130560.

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. 2018, this device’s year, is highlighted.

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—

What is it indicated for?

The Dental High-speed Handpiece Halley Series is intended for the removal of carious material, reducing hard tooth structure, cavity preparation, finishing tooth preparations, restorations, and for polishing teeth. They are designed for use by a trained professional in the field of general dentistry.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173943: Dental High-speed Handpiece and Accessories.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173943

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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