510(k) · Cleared
ClearedAir-Powered Handpieces and Handpiece Attachments
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
W&H Dentalwerk Burmoos GmbH · EFB Handpiece, Air-Powered, Dental
Cleared on Feb 23, 2017 as substantially equivalent to K143704 (W&H Dentalwerk Buermoos GmbH, 2015) and 1 other predicate after a 127-day review. Its family tree reaches back 4 generations to 1998. 6 later devices descend from it.
- Decided
- Feb 23, 2017
- Review
- 127 days
- Class
- Class I
- Product code
- EFB
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 4 generations to K983183 (1998). 7 ancestors in all. 6 later devices descend from it, 2 citing it directly.
- Root · 4 generations backK983183 Gyro Long-Life,Black Pearl Eco, Ondine &Croma, Prestige, Bora…Bien Air USA, Inc. · 1998
- 3 generations backK031145 Estylus Electric Motor SystemDentsply Intl. · 2003
- 2 generations backK072989 Axis SystemDentsply Intl., Inc. · 2008
- 1 generation backK143704 Advanced Air SystemW&H Dentalwerk Buermoos GmbH · 2015
- This deviceK162926 Air-Powered Handpieces and Handpiece AttachmentsW&H Dentalwerk Burmoos GmbH · 2017
- Descendant · cites it directly · 4 of its ownK181858 Electric Handpiece MotorW&H Dentalwerk Buermoos GmbH · 2019
- Descendant · 2 generations on · 1 of its ownK213022 CEFLA Dental Micromotors: i-MMr, i-MMr L, i-MMs, i-XR3, i-XR3 L…Cefla S.C. · 2022
- Descendant · 2 generations on · 0 of its ownK233288 NLZ Built-In Motor SystemNakanishi, Inc. · 2024
- Descendant · cites it directly · 0 of its ownK233308 Air Motor (Model name: FX204 M4); Air Motor (Model name: M205)Nakanishi, Inc. · 2024
- Descendant · 3 generations on · 0 of its ownK230895 CEFLA Dental Micromotors: i-MMr, i-MMr L, i-MMr L FLUO, i-MMs, i-MMs…Cefla S.C. · 2024
Showing 5 of 6 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 6 · See all- K181858Electric Handpiece MotorW&H Dentalwerk Buermoos GmbH · 2019 · cites it directly4descendants
- K213022CEFLA Dental Micromotors: i-MMr, i-MMr L, i-MMs, i-XR3, i-XR3 L, i-XS4, handy POWER…Cefla S.C. · 2022 · 2 generations on1descendant
- K233288NLZ Built-In Motor SystemNakanishi, Inc. · 2024 · 2 generations on0descendants
- K233308Air Motor (Model name: FX204 M4); Air Motor (Model name: M205)Nakanishi, Inc. · 2024 · cites it directly0descendants
- K230895CEFLA Dental Micromotors: i-MMr, i-MMr L, i-MMr L FLUO, i-MMs, i-MMs FLUO; i-XR3, i-XR3…Cefla S.C. · 2024 · 3 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K983183 | Gyro Long-Life,Black Pearl Eco, Ondine &Croma, Prestige, Bora, Aquilon… | Bien Air USA, Inc. | 1998 | — |
| −3 | K031145 | Estylus Electric Motor System | Dentsply Intl. | 2003 | — |
| −2 | K072989 | Axis System | Dentsply Intl., Inc. | 2008 | — |
| −1 | K143704 | Advanced Air System | W&H Dentalwerk Buermoos GmbH | 2015 | — |
| 0 (this device) | K162926 | Air-Powered Handpieces and Handpiece Attachments | W&H Dentalwerk Burmoos GmbH | 2017 | — |
| +1 | K181858 | Electric Handpiece Motor | W&H Dentalwerk Buermoos GmbH | 2019 | — |
| +2 | K213022 | CEFLA Dental Micromotors: i-MMr, i-MMr L, i-MMs, i-XR3, i-XR3 L, i-XS4, handy… | Cefla S.C. | 2022 | — |
| +2 | K233288 | NLZ Built-In Motor System | Nakanishi, Inc. | 2024 | — |
| +1 | K233308 | Air Motor (Model name: FX204 M4); Air Motor (Model name: M205) | Nakanishi, Inc. | 2024 | — |
| +3 | K230895 | CEFLA Dental Micromotors: i-MMr, i-MMr L, i-MMr L FLUO, i-MMs, i-MMs FLUO… | Cefla S.C. | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2001 | 2 | 0 |
| 2007 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2019 | 1 | 0 |
| 2022 | 1 | 0 |
| 2024 | 4 | 0 |
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 K262144 DIAMED Handpiece;DIAMED Airmotor;DIAMED…score 13.3 · 5 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K143704 | Advanced Air SystemSummary page 4…Primary Predicate: “Advanced Air System”, W&H Dentalwerk Bürmoos GmbH; cleared under K143704. Reference Predicates: “A-dec/W&H Synea Air-Driven Highspeed Handpiece… | 2015 |
| * | K070663 | A-Dec/W&H Synea Air-Driven Highspeed Handpiece, Model TA-98, TA-97, a-Dec/W&H Synea…Summary page 4…“A-dec/W&H Synea Air-Driven Highspeed Handpiece, Predicate Devices “A-dec/W&H Synea Handpiece Attachment” cleared under K070663 The predicates have not been subject to a design-related recall. R… | 2007 |
What descends from it? (6)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 5 companies; a new generation was cleared every 4.6 years on median.
- None of the 7 ancestors has a recall.
- Of its descendants, K181858 (W&H Dentalwerk Buermoos GmbH, 2019) has gone furthest, with 4 descendants of its own.
- 1 other device also cites its predicate K143704.
How does its category compare?
All EFB devicesEFB Handpiece, Air-Powered, Dental: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.
FDA decisions per year · EFB
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · EFB
209in 2024
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
MAUDE reports naming product code EFB, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 12 | 61 | 0 | 13 |
| 2008 | 7 | 97 | 0 | 19 |
| 2009 | 11 | 120 | 0 | 40 |
| 2010 | 8 | 116 | 0 | 78 |
| 2011 | 4 | 168 | 0 | 96 |
| 2012 | 8 | 130 | 0 | 97 |
| 2013 | 3 | 207 | 0 | 61 |
| 2014 | 7 | 200 | 0 | 73 |
| 2015 | 7 | 296 | 0 | 87 |
| 2016 | 3 | 205 | 0 | 122 |
| 2017 | 7 | 246 | 0 | 153 |
| 2018 | 3 | 210 | 0 | 81 |
| 2019 | 3 | 348 | 0 | 117 |
| 2020 | 5 | 259 | 0 | 94 |
| 2021 | 2 | — | 0 | 123 |
| 2022 | 5 | 430 | 0 | 157 |
| 2023 | 4 | 158 | 0 | 116 |
| 2024 | 5 | 209 | 0 | 104 |
| 2025 | 1 | — | 0 | 83 |
| 2026 | 4 | 252 | 0 | — |
What is it indicated for?
The turbine handpiece is intended for the following applications:
Removal of decayed materials, cavities and crown preparation, removal of fillings, finishing of tooth and restoration surfaces.
The dental handpiece/contra-angle is intended for the following applications: Removal of decayed materials, cavities and crown cement, removal of fillings, finishing and polishing of tooth and restoration surfaces.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K162926 · printed Nov 6, 2026
Cite this page
510(k) Report. “K162926: Air-Powered Handpieces and Handpiece Attachments.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K162926
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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