510(k) Report

510(k) · Cleared

Cleared

MK-Dent High Speed Dental Handpiece, Models HS 4021K, 4011K, 4012K, and HS 6021K, 6011K, 6012K

K032234510(k) TraditionalCleared Oct 2, 200373-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

Mk-Dent GmbH · EFB Handpiece, Air-Powered, Dental

Cleared on Oct 2, 2003 as substantially equivalent to K760929 (Ritter Co., 1976) and 1 other predicate after a 73-day review. Its family tree reaches back 2 generations to 1976. 3 later devices descend from it.

Decided
Oct 2, 2003
Review
73 days
Class
Class I
Product code
EFB
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K760929 (1976). 3 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2005: 1 descendant cleared2007: 1 descendant cleared2010: 1 descendant clearedK760929 · Accutorq II · Ritter Co. · 1976K021250 · MK-Dent Push Button Highspeed Handpiece, 4 Holes, Models HS 2012 (Standard Head) & HS 2014 (Small Head) · Handpiece Unlimited · 200219801990200020102020
Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 1 descendant3 generations forward: 1 descendant K021250 · MK-Dent Push Button Highspeed Handpiece, 4 Holes, Models HS 2012 (Standard Head) & HS 2014 (Small Head) · Handpiece Unlimited · 2002K760929 · Accutorq II · Ritter Co. · 19760
  1. Root · 2 generations backK760929 Accutorq IIRitter Co. · 1976
  2. 1 generation backK021250 MK-Dent Push Button Highspeed Handpiece, 4 Holes, Models HS 2012…Handpiece Unlimited · 2002
  3. This deviceK032234 MK-Dent High Speed Dental Handpiece, Models HS 4021K, 4011K, 4012K…Mk-Dent GmbH · 2003
  4. Descendant · cites it directly · 2 of its ownK051872 MK-Dent Low Speed Handpieces and Accessories Including Spare Parts…Mk-Dent GmbH · 2005
  5. Descendant · 2 generations on · 1 of its ownK070155 Integrity Low Speed Dental Air Handpiece and Attachment, Models…Osseo Scientific, LLC · 2007
  6. Descendant · 3 generations on · 0 of its ownK093971 Dental HandpieceNorth West Medical Instrument (Group) Co., Ltd. · 2010

Most influential descendants

Showing 3 of 3 · See all
  • K051872MK-Dent Low Speed Handpieces and Accessories Including Spare Parts, Tubings, and Light…Mk-Dent GmbH · 2005 · cites it directly2descendants
  • K070155Integrity Low Speed Dental Air Handpiece and Attachment, Models: Motor Int-E, Motor…Osseo Scientific, LLC · 2007 · 2 generations on1descendant
  • K093971Dental HandpieceNorth West Medical Instrument (Group) Co., Ltd. · 2010 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K760929Accutorq IIRitter Co.1976—
−1K021250MK-Dent Push Button Highspeed Handpiece, 4 Holes, Models HS 2012 (Standard…Handpiece Unlimited2002—
0 (this device)K032234MK-Dent High Speed Dental Handpiece, Models HS 4021K, 4011K, 4012K, and HS…Mk-Dent GmbH2003—
+1K051872MK-Dent Low Speed Handpieces and Accessories Including Spare Parts, Tubings…Mk-Dent GmbH2005—
+2K070155Integrity Low Speed Dental Air Handpiece and Attachment, Models: Motor Int-E…Osseo Scientific, LLC2007—
+3K093971Dental HandpieceNorth West Medical Instrument (Group) Co., Ltd.2010—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200710
201010
FIG. 1 — Lineage of K032234, 1976–2010Source: 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
Get a 510(k) Report

What was it cleared against? (2)

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
*K760929Accutorq II
Summary page 1
…glass optic rod for use by a trained professional in general dentistry. Predicate Device Name: KaVo Dental Handpiece, Series 630 and 640 (K 760929) MK-dent” High Speed Dental Handpiece (K 021250) Description of Device: The MK-dents HS Handpiece s…
Ritter Co.1976—
*K021250MK-Dent Push Button Highspeed Handpiece, 4 Holes, Models HS 2012 (Standard Head) & HS…
Summary page 1
…general dentistry. Predicate Device Name: KaVo Dental Handpiece, Series 630 and 640 (K 760929) MK-dent” High Speed Dental Handpiece (K 021250) Description of Device: The MK-dents HS Handpiece shares virtually all specifications and design characteris- tics of the…
Handpiece Unlimited2002—

Also cleared against K760929: 2 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K051872MK-Dent Low Speed Handpieces and Accessories Including Spare Parts, Tubings, and Light…Mk-Dent GmbH20052

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 27 years and passes through 3 companies; a new generation was cleared every 25.9 years on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K051872 (Mk-Dent GmbH, 2005) has gone furthest, with 2 descendants of its own.
  • 2 other devices also cite its predicate K760929.

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—

What is it indicated for?

The device is an air-powered dental handpiece providing light through a glass optic rod for use by a trained professional in general dentistry.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K032234: MK-Dent High Speed Dental Handpiece, Models HS 4021K, 4011K, 4012K, and HS 6021K, 6011K, 6012K.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K032234

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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