510(k) Report

510(k) · Cleared

Cleared

ND Low Speed Airmotor and Handpiece, Highspeed Airturbine Handpiece, E-Type Straight Nosecone and Contra Angle

K073652510(k) TraditionalCleared Mar 20, 200885-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

Nakamura Magnifier Co., Ltd. · EFB Handpiece, Air-Powered, Dental

Cleared on Mar 20, 2008 as substantially equivalent to K070869 (Dentalez, Inc., 2007) and 5 other predicates after an 85-day review. Its family tree reaches back 2 generations to 1990. 3 later devices descend from it.

Decided
Mar 20, 2008
Review
85 days
Class
Class I
Product code
EFB
Recalls
None
Predicates
6

Its longest line of descent runs back 2 generations to K896877 (1990). 7 ancestors in all, the oldest K790722 (1979). 3 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1996: 1 other ancestor1990: 1 other ancestor1986: 1 other ancestor1979: 2 other ancestors2014: 1 descendant cleared2009: 1 descendant cleared2026: 1 descendant clearedK896877 · Dental Air Motors (Several Models) · Micro Motors, Inc. · 1990K070869 · Prophy Star 3 Hygiene Handpiece, Model 264422 · Dentalez, Inc. · 200719801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 5 other ancestors 1 generation forward: 3 descendants K070869 · Prophy Star 3 Hygiene Handpiece, Model 264422 · Dentalez, Inc. · 2007K896877 · Dental Air Motors (Several Models) · Micro Motors, Inc. · 19900
  1. Root · 2 generations backK896877 Dental Air Motors (Several Models)Micro Motors, Inc. · 1990
  2. 1 generation backK070869 Prophy Star 3 Hygiene Handpiece, Model 264422Dentalez, Inc. · 2007
  3. This deviceK073652 ND Low Speed Airmotor and Handpiece, Highspeed Airturbine Handpiece…Nakamura Magnifier Co., Ltd. · 2008
  4. Descendant · cites it directly · 0 of its ownK262144 DIAMED Handpiece;DIAMED Airmotor;DIAMED Airmotor HandpieceSETAGAYA SEIKI Co., Ltd. · 2026
  5. Descendant · cites it directly · 0 of its ownK141125 U-Type Contra Angle, U-Type Sectional Contra AngleHandpiece Headquarters · 2014
  6. Descendant · cites it directly · 0 of its ownK090055 Low & High Speed KitDpm USA Corp. · 2009

Most influential descendants

Showing 3 of 3 · See all
  • K262144DIAMED Handpiece;DIAMED Airmotor;DIAMED Airmotor HandpieceSETAGAYA SEIKI Co., Ltd. · 2026 · cites it directly0descendants
  • K141125U-Type Contra Angle, U-Type Sectional Contra AngleHandpiece Headquarters · 2014 · cites it directly0descendants
  • K090055Low & High Speed KitDpm USA Corp. · 2009 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K896877Dental Air Motors (Several Models)Micro Motors, Inc.1990—
−1K070869Prophy Star 3 Hygiene Handpiece, Model 264422Dentalez, Inc.2007—
0 (this device)K073652ND Low Speed Airmotor and Handpiece, Highspeed Airturbine Handpiece, E-Type…Nakamura Magnifier Co., Ltd.2008—
+1K262144DIAMED Handpiece;DIAMED Airmotor;DIAMED Airmotor HandpieceSETAGAYA SEIKI Co., Ltd.2026—
+1K141125U-Type Contra Angle, U-Type Sectional Contra AngleHandpiece Headquarters2014—
+1K090055Low & High Speed KitDpm USA Corp.2009—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197920
198610
199010
199610

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200910
201410
202610
FIG. 1 — Lineage of K073652, 1990–2026Source: 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 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? (6)

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
*K070869Prophy Star 3 Hygiene Handpiece, Model 264422
Summary page 1
…ormal correspondence with FDA: B0o00016 The Common or Usual Name: Air-Powered Low Speed Handpiece The Predicate Device: 510(k) Number: K070869 Trade or Propriety or Model Name: PROPHY STAR 3 HYGIENE HANDPIECE, MODEL 264422 Manufacturer: DENTALEZ, I…
Dentalez, Inc.2007—
*K896878Handpiece System with Motor (Several Models)
Summary page 2
…ior formal correspondence with FDA: B000016 The Common or Usual Name: Air-Powered Low Speed Motor The Predicate Device: 510(k) Number: K896878 Trade or Propriety or Model Name: Dual Low Speed Motor HANDPIECE SYSTEM WITH…
Micro Motors, Inc.1990—
*K863677Tradition High Speed Handpiece
Summary page 3
…ior formal correspondence with FDA: B000016 The Common or Usual Name: Air-Powered High Speed Handpiece The Predicate Devices: 510(k) Number: K863677 Trade or Propriety or Model Name: TRADITION HIGHSPEED HANDPIECE Manufacturer: MIDWEST Description I Intended Use:…
Midwest1986—
*K792445MW Straight Attachment
Summary page 5
…espondence with FDA: B000017 The Common or Usual Name : Straight Angle Dental Handpiece Attachment The Predicate Device: 510(k) Number: K792445 Trade or Propriety or Model Name : MW STRAIGHT ATTACHMENT Manufacturer: MIDWEST Description I Intended Use:…
Midwest1979—
*K962540E-Type Contra Angle Nac-E
Summary page 7
…dence with FDA: 8000017 The Common or Usual Name : E-type Contra Angle Dental Handpiece Attachment The Predicate Device: 510(k) Number: K962540 Trade or Propriety or Model Name: E-TYPE CONTRA ANGLE NAC-E Manufacturer: NSK NAKANISHI, INC. Description / Inten…
Nsk Nakanishi, Inc.1996—
*K790722Prophylaxis Angle
Summary page 9
…ence with FDA: B,000017 The Common or Usual Name: U-type Contra Angle Dental Handpiece Attachment The Predicate Device: 510(k) Number: K790722 Trade or Propriety or Model Name: PROHYLAXIS ANGLE Manufacturer: YOUNG DENTAL MANUFACTURING CO, LLC. Description…
Young Dental Manufacturing Co. 1, LLC1979—

Also cleared against K070869: 1 other device →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K262144DIAMED Handpiece;DIAMED Airmotor;DIAMED Airmotor HandpieceSETAGAYA SEIKI Co., Ltd.20260
K141125U-Type Contra Angle, U-Type Sectional Contra AngleHandpiece Headquarters20140
K090055Low & High Speed KitDpm USA Corp.20090

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 18 years and passes through 3 companies; a new generation was cleared every 17.3 years on median.
  • None of the 7 ancestors has a recall.
  • Of its descendants, K262144 (SETAGAYA SEIKI Co., Ltd., 2026) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K070869.

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. 2008, 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?

ND air powered low speed airmotor is used to power various attachment which helps dental clinician perform various dental procedures. All the devices are autoclavable. ND air powered low speed airmotor is used to power various U-type attachment which helps dental clinician perform the hygiene dentistry work. All the devices are autoclavable. ND highspeed airturbine handpiece is an air-powered dental handpiece for removing carious material and excess…

Read the full statement (240 words)

ND air powered low speed airmotor is used to power various attachment which helps dental clinician perform various dental procedures. All the devices are autoclavable.

ND air powered low speed airmotor is used to power various U-type attachment which helps dental clinician perform the hygiene dentistry work. All the devices are autoclavable.

ND highspeed airturbine handpiece is an air-powered dental handpiece for removing carious material and excess filling material, cavity and crown preparation, root canal preparations, finishing tooth preparations, restoration and polishing teeth. All the devices are autoclavable.

ND straight nosecone is powered by either lowspeed airmotor or electric micromotor for removing carious material and excess filling material, cavity and crown preparation, root canal preparations, finishing tooth preparations, restorations and polishing teeth. ES-30A is E-type 1:1 ratio, ESG-3OAR is E-type 4:1 ratio, and MWS-30A is Midwest-type 1:1 ratio. All the devices are autoclavable. They accept 2.35mm (3/32") standard burs and can have prophy angles mounted.

ND e-type contra angle is powered by either lowspeed airmotor or electric micromotor for removing carious material and excess filling material, cavity and crown preparation, root canal preparations, finishing tooth preparations, restorations and polishing teeth. EC-20L and EC-30BL are 1:1 ratio, EG-20L is 4:1 ratio, and EGG-20L is 16:1 ratio, All of the devices are autoclavable.

ND u-type prophylaxis angle is used mounted on U-type nose attachment powered by either lowspeed airmotor or electric micromotor for hygiene dentistry work. All the devices are fully autoclavable.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K073652: ND Low Speed Airmotor and Handpiece, Highspeed Airturbine Handpiece, E-Type Straight Nosecone and Contra Angle.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K073652

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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