510(k) Report

510(k) · Cleared

Cleared

GBT Machine Airflow Prophylaxis Master

K253254510(k) TraditionalCleared Jan 28, 2026121-day reviewClass II21 CFR 872.4850

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

E.M.S Electro Medical Systems S.A · ELC Scaler, Ultrasonic

Cleared on Jan 28, 2026 as substantially equivalent to K190124 (E.M.S Electro Medical Systems S.A, 2019) after a 121-day review. Its family tree reaches back 6 generations to 1990.

Decided
Jan 28, 2026
Review
121 days
Class
Class II
Product code
ELC
Recalls
None
Predicates
1

Its longest line of descent runs back 6 generations to K900709 (1990). 16 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 6 generations backK900709 Air Flow SiiElectro Medical Systems (Ems Sa) · 1990
  2. 5 generations backK991857 Airflow HandyElectro Medical Systems, Inc. · 1999
  3. 4 generations backK022119 Ems Air-Flow Handy 2 Dental HandpieceElectro Medical Systems SA · 2002
  4. 3 generations backK092289 Ems Air-Flow Handy PerioE.M.S Electro Medical Systems S.A · 2009
  5. 2 generations backK110173 Ems Air-Flow Master PiezonE.M.S Electro Medical Systems S.A · 2011
  6. 1 generation backK190124 EMS AIRFLOW Prophylaxis Master, EMS AIRFLOW OneE.M.S Electro Medical Systems S.A · 2019 · Recalled
  7. This deviceK253254 GBT Machine Airflow Prophylaxis MasterE.M.S Electro Medical Systems S.A · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K900709Air Flow SiiElectro Medical Systems (Ems Sa)1990—
−5K991857Airflow HandyElectro Medical Systems, Inc.1999—
−4K022119Ems Air-Flow Handy 2 Dental HandpieceElectro Medical Systems SA2002—
−3K092289Ems Air-Flow Handy PerioE.M.S Electro Medical Systems S.A2009—
−2K110173Ems Air-Flow Master PiezonE.M.S Electro Medical Systems S.A2011—
−1K190124EMS AIRFLOW Prophylaxis Master, EMS AIRFLOW OneE.M.S Electro Medical Systems S.A20193
0 (this device)K253254GBT Machine Airflow Prophylaxis MasterE.M.S Electro Medical Systems S.A2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199310
199510
199710
200010
200510
200710
200910
201020
FIG. 1 — Lineage of K253254, 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 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. #1 K260773 Varios Combi Pro2score 12.5 · 6 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? (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.

TypeNumberDeviceApplicantDecidedRecalls
*K190124EMS AIRFLOW Prophylaxis Master, EMS AIRFLOW One
Summary page 5
…21 CFR 807.92(a)(3) Predicate# Predicate Trade Name (Primary Predicate is listed first) Product Code I K190124 11 AIRFLOW Prophylaxis Master…
E.M.S Electro Medical Systems S.A20193

Also cleared against K190124: 2 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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 36 years and passes through 4 companies; a new generation was cleared every 7.2 years on median.
  • 1 of the 16 ancestors has a recall of any class.
  • 2 other devices also cite its predicate K190124.

How does its category compare?

All ELC devices

ELC Scaler, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, this device’s year, is highlighted.

FDA decisions per year · ELC

2in 2025

2007: 62008: 42009: 42010: 42011: 32012: 12013: 132014: 62015: 52016: 32017: 22018: 12019: 42020: 12021: 32022: 22023: 52024: 42025: 22026 (partial year): 2
2007high 13 (2013) · low 1 (2012)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ELC

104in 2024

2007: 92 days median2008: 216 days median2009: 121 days median2010: 201 days median2011: 122 days median2013: 174 days median2014: 193 days median2015: 150 days median2016: 88 days median2019: 192 days median2021: 196 days median2023: 258 days median2024: 104 days median
2007high 258 (2023) · low 88 (2016)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · ELC

2in 2022

2022: 2
2007high 2 (2022) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · ELC

284in 2025

2007: 122008: 582009: 1082010: 792011: 52012: 32013: 62014: 372015: 1352016: 1692017: 3562018: 2892019: 3022020: 1642021: 1662022: 1652023: 2102024: 2192025: 284
2007high 356 (2017) · low 3 (2012)2025

MAUDE reports naming product code ELC, 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
2007692012
20084216058
200941210108
20104201079
2011312205
20121—03
20131317406
20146193037
201551500135
20163880169
20172—0356
20181—0289
201941920302
20201—0164
202131960166
20222—2165
202352580210
202441040219
20252—0284
20262—0—

What is it indicated for?

The GBT Machine AIRFLOW Prophylaxis Master combines the functions of an ultrasonic scaler and air-polishing unit within a single chassis. The GBT Machine AIRFLOW Prophylaxis Master is intended for use in the following dental and periodontal applications: - Removing supra and subgingival calculus deposits and stains from teeth - Periodontal pocket lavage with simultaneous ultrasonic tip movement - Scaling and root planing The GBT Machine AIRFLOW…

Read the full statement (243 words)

The GBT Machine AIRFLOW Prophylaxis Master combines the functions of an ultrasonic scaler and air-polishing unit within a single chassis.

The GBT Machine AIRFLOW Prophylaxis Master is intended for use in the following dental and periodontal applications:

- Removing supra and subgingival calculus deposits and stains from teeth

- Periodontal pocket lavage with simultaneous ultrasonic tip movement

- Scaling and root planing

The GBT Machine AIRFLOW Prophylaxis Master is intended for use in the cleaning and polishing of teeth by the Projection of water, air, and dental powders onto the tooth surface. The device removes dental plaque, soft deposits, and surface stains from pits, grooves, interproximal spaces, or smooth surfaces of teeth.

The GBT Machine AIRFLOW Prophylaxis Master can be used for the following cleaning procedures:

- plaque removal for placement of sealants

- surface preparation prior to bonding/cementation of inlays, onlays, crowns and veneers

- surface preparation prior to placing composite restorations

- effective plaque and stain removal for orthodontic patients

- cleaning prior to bonding ortho brackets

- cleaning implant fixture prior to loading

- stain removal for shade determination

- plaque removal prior to fluoride treatment

- plaque and stain removal prior to whitening procedure

The GBT Machine AIRFLOW Prophylaxis Master is also intended for use as an air-polisher in patients suffering from periodontal disease. The GBT Machine AIRFLOW Prophylaxis Master is indicated for the non-surgical removal of subgingival plaque in pockets up to 5 mm after initial periodontal treatment.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K253254: GBT Machine Airflow Prophylaxis Master.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K253254

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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