510(k) · Cleared
ClearedImplantology Contra Angles, Endodontic Contra Angles, General Dentistry Contra Angles
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Anthogyr · EFA Handpiece, Belt And/Or Gear Driven, Dental
Cleared on Jun 30, 2004 as substantially equivalent to K020137 (Aseptico, Inc., 2002) and 1 other predicate after a 107-day review. Its family tree reaches back 1 generation to 1997. 26 later devices descend from it.
- Decided
- Jun 30, 2004
- Review
- 107 days
- Class
- Class I
- Product code
- EFA
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 1 generation to K971350 (1997). 2 ancestors in all. 26 later devices descend from it, 5 citing it directly.
- Root · 1 generation backK971350 Series XE, Series SE, Series TEMicro-Mega Societe Anonyme · 1997
- This deviceK040674 Implantology Contra Angles, Endodontic Contra Angles, General…Anthogyr · 2004
- Descendant · cites it directly · 15 of its ownK092412 Strong Implant HandpiecesSaeshin Precision Co., Ltd. · 2009
- Descendant · 2 generations on · 10 of its ownK111616 E-CUBESaeshin Precision Co., Ltd. · 2011
- Descendant · 3 generations on · 6 of its ownK133298 Endo SmartMeta Biomed, Inc. · 2014
- Descendant · 4 generations on · 5 of its ownK153285 EMS-200Meta Systems Co., Ltd. · 2016
- Descendant · cites it directly · 5 of its ownK060317 Anthogyr Contra Angles and HandpiecesEst. Anthogyr · 2006
Showing 5 of 26 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 26 · See all- K092412Strong Implant HandpiecesSaeshin Precision Co., Ltd. · 2009 · cites it directly15descendants
- K111616E-CUBESaeshin Precision Co., Ltd. · 2011 · 2 generations on10descendants
- K133298Endo SmartMeta Biomed, Inc. · 2014 · 3 generations on6descendants
- K153285EMS-200Meta Systems Co., Ltd. · 2016 · 4 generations on5descendants
- K060317Anthogyr Contra Angles and HandpiecesEst. Anthogyr · 2006 · cites it directly5descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K971350 | Series XE, Series SE, Series TE | Micro-Mega Societe Anonyme | 1997 | — |
| 0 (this device) | K040674 | Implantology Contra Angles, Endodontic Contra Angles, General Dentistry Contra… | Anthogyr | 2004 | — |
| +1 | K092412 | Strong Implant Handpieces | Saeshin Precision Co., Ltd. | 2009 | — |
| +2 | K111616 | E-CUBE | Saeshin Precision Co., Ltd. | 2011 | — |
| +3 | K133298 | Endo Smart | Meta Biomed, Inc. | 2014 | — |
| +4 | K153285 | EMS-200 | Meta Systems Co., Ltd. | 2016 | — |
| +1 | K060317 | Anthogyr Contra Angles and Handpieces | Est. Anthogyr | 2006 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2002 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 2 | 0 |
| 2011 | 3 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 4 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 2 | 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 EFA? 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 EFA device
- #1 K192809 Dental Handpiecescore 3.5 · 3 generations · no Class I recall
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 |
|---|---|---|---|
| * | K020137 | Ahp-66 4:1 Reduction Contrangle: Ahp-88 8:1 Reduction Contrangle: Ahp-88MP 8:1 Reduction…Summary page 1…dodontic Contra angles) 3. General dentistry Contra angles Legally marketed 1. Aseptico Autoclavable Handpieces (Aseptico) K020137 predicate devices 2. Aseptico Autoclavable Handpieces (Aseptico) K020137 3. Aseptic… | 2002 |
| * | K971350 | Series XE, Series SE, Series TESummary page 1…Aseptico) K020137 3. Aseptico Autoclavable Handpieces (Aseptico) K020137, Series Xe, Se, Te (Micro Mega) K 971350 2. INTENDED USE ANTHOGYR contra angles and handpieces are autoclavable devices intended for a wide range of procedures in… | 1997 |
What descends from it? (26)
See all 265 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?
- None of the 2 ancestors has a recall.
- Of its descendants, K092412 (Saeshin Precision Co., Ltd., 2009) has gone furthest, with 15 descendants of its own.
How does its category compare?
All EFA devicesEFA Handpiece, Belt And/Or Gear Driven, Dental: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · EFA
1in 2020
2026 to Oct 25, outlined.
Median 510(k) review, days · EFA
78in 2009
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · EFA
1in 2010
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · EFA
4in 2025
MAUDE reports naming product code EFA, 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 | 1 | — | 0 | 1 |
| 2008 | 0 | — | 0 | 17 |
| 2009 | 4 | 78 | 0 | 0 |
| 2010 | 2 | — | 1 | 1 |
| 2011 | 0 | — | 0 | 4 |
| 2012 | 0 | — | 0 | 1 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 1 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 1 |
| 2017 | 1 | — | 0 | 2 |
| 2018 | 0 | — | 0 | 97 |
| 2019 | 0 | — | 0 | 59 |
| 2020 | 1 | — | 0 | 2 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 4 |
| 2023 | 0 | — | 0 | 3 |
| 2024 | 0 | — | 0 | 5 |
| 2025 | 0 | — | 0 | 4 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
ANTHOGYR's fully autoclavable contra-angles and handpieces are devices intended for a wide range of dental procedures including:
Endodontic surgeries, such as root canal preparations
Implant surgery such as perforating the bone, tapping and threading procedures
General dentistry such as removing carious material, cavity and crow preparation, finishing tooth preparations, restorations and polishing teeth
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K040674 · printed Nov 6, 2026
Cite this page
510(k) Report. “K040674: Implantology Contra Angles, Endodontic Contra Angles, General Dentistry Contra Angles.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K040674
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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