510(k) · Cleared
ClearedSiroson L and Sirosonic L Ultrasonic Scalers
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Sirona Dental Systems GmbH · ELC Scaler, Ultrasonic
Cleared on Dec 12, 2003 as substantially equivalent to K022328 (Electro Medical Systems SA, 2002) after a 22-day review. Its family tree reaches back 3 generations to 1990. 1 later device descends from it.
- Decided
- Dec 12, 2003
- Review
- 22 days
- Class
- Class II
- Product code
- ELC
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 3 generations to K896749 (1990). 5 ancestors in all. 1 later device descends from it, 1 citing it directly.
- Root · 3 generations backK896749 Piezon Master 400Electro Medical Systems (Ems Sa) · 1990
- 2 generations backK992504 Ems Kermit(Ems Sa) Electro Medical Systems · 2000
- 1 generation backK022328 Ems Piezon Master 600Electro Medical Systems SA · 2002
- This deviceK033640 Siroson L and Sirosonic L Ultrasonic ScalersSirona Dental Systems GmbH · 2003
- Descendant · cites it directly · 0 of its ownK072107 Perioscan, Model: D 3496Sirona Dental Systems GmbH · 2008
Most influential descendants
Showing 1 of 1 · See all- K072107Perioscan, Model: D 3496Sirona Dental Systems GmbH · 2008 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K896749 | Piezon Master 400 | Electro Medical Systems (Ems Sa) | 1990 | — |
| −2 | K992504 | Ems Kermit | (Ems Sa) Electro Medical Systems | 2000 | — |
| −1 | K022328 | Ems Piezon Master 600 | Electro Medical Systems SA | 2002 | — |
| 0 (this device) | K033640 | Siroson L and Sirosonic L Ultrasonic Scalers | Sirona Dental Systems GmbH | 2003 | — |
| +1 | K072107 | Perioscan, Model: D 3496 | Sirona Dental Systems GmbH | 2008 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1993 | 1 | 0 |
| 1995 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2008 | 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 ELC? 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 ELC device
- #1 K260773 Varios Combi Pro2score 12.5 · 6 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 |
|---|---|---|---|
| * | K022328 | Ems Piezon Master 600Summary page 1…sual Name: Ultrasonic Scaler Classification Name: Ultrasonic Scaler 3. Predicate Devices EMS~ Piez on MV'a st+er 60W0 ( K02 2 328) 4. INTENDED USE The Sirona, Sirosonic L and Siroson L are an ultrasonic scalers intended for use in the… | 2002 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K072107 | Perioscan, Model: D 3496 | 2008 | 0 |
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 13 years and passes through 4 companies; a new generation was cleared every 2.5 years on median.
- None of the 5 ancestors has a recall.
- Of its descendants, K072107 (Sirona Dental Systems GmbH, 2008) has gone furthest, with 0 descendants of its own.
- 4 other devices also cite its predicate K022328.
How does its category compare?
All ELC devicesELC Scaler, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · ELC
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · ELC
104in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · ELC
2in 2022
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · ELC
284in 2025
MAUDE reports naming product code ELC, 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 | 6 | 92 | 0 | 12 |
| 2008 | 4 | 216 | 0 | 58 |
| 2009 | 4 | 121 | 0 | 108 |
| 2010 | 4 | 201 | 0 | 79 |
| 2011 | 3 | 122 | 0 | 5 |
| 2012 | 1 | — | 0 | 3 |
| 2013 | 13 | 174 | 0 | 6 |
| 2014 | 6 | 193 | 0 | 37 |
| 2015 | 5 | 150 | 0 | 135 |
| 2016 | 3 | 88 | 0 | 169 |
| 2017 | 2 | — | 0 | 356 |
| 2018 | 1 | — | 0 | 289 |
| 2019 | 4 | 192 | 0 | 302 |
| 2020 | 1 | — | 0 | 164 |
| 2021 | 3 | 196 | 0 | 166 |
| 2022 | 2 | — | 2 | 165 |
| 2023 | 5 | 258 | 0 | 210 |
| 2024 | 4 | 104 | 0 | 219 |
| 2025 | 2 | — | 0 | 284 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
The Sirona Dental Systems Siroson L and the Sirosonic L are ultrasonic scalers intended for
use in the following dental and periodontal applications:
· Calculus removal (subgingival and supragingival)
· Retrograde root treatment
· Endodontics
· Insertion of inlays
· Micropreparation (cavity preparation)
· Periodontology
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K033640 · printed Nov 4, 2026
Cite this page
510(k) Report. “K033640: Siroson L and Sirosonic L Ultrasonic Scalers.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K033640
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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