510(k) · Cleared
ClearedT1 Line Dental Handpieces
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Siemens AG · EFB Handpiece, Air-Powered, Dental
Cleared on Sep 22, 1997 after an 84-day review. The FDA summary names its predicate without a number. 2 later devices descend from it.
- Decided
- Sep 22, 1997
- Review
- 84 days
- Class
- Class I
- Product code
- EFB
- Recalls
- None
- Predicates
- 0
2 later devices descend from it, 2 citing it directly.
- This deviceK972436 T1 Line Dental HandpiecesSiemens AG · 1997
- Descendant · cites it directly · 0 of its ownK090369 Prodrive Line of Dental HandpiecesProdrive Systems, Inc. · 2009
- Descendant · cites it directly · 0 of its ownK041755 Cromax High Speed Turbine HandpieceJ.R. Medical Technologies, Inc. · 2004
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K972436 | T1 Line Dental Handpieces | Siemens AG | 1997 | — |
| +1 | K090369 | Prodrive Line of Dental Handpieces | Prodrive Systems, Inc. | 2009 | — |
| +1 | K041755 | Cromax High Speed Turbine Handpiece | J.R. Medical Technologies, Inc. | 2004 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2004 | 1 | 0 |
| 2009 | 1 | 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? (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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | — | A-DEC/W&H Low Speed Handpieces Named without a submission number |
What descends from it? (2)
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?
- Of its descendants, K090369 (Prodrive Systems, Inc., 2009) has gone furthest, with 0 descendants of its own.
How does its category compare?
All EFB devicesEFB Handpiece, Air-Powered, Dental: FDA decisions, review times, recalls and adverse event reports over 20 years.
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 Siemens T1 LINE dental handpieces are intended for use in the dental operatory to
prepare dental cavities for restorations such as fillings, and for cleaning teeth.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K972436 · printed Nov 6, 2026
Cite this page
510(k) Report. “K972436: T1 Line Dental Handpieces.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K972436
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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