510(k) Report

510(k) · Cleared

Cleared

OrthoVision

K173094510(k) SpecialCleared Oct 26, 201727-day reviewClass II21 CFR 892.2050

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

Ewoosoft Co., Ltd. · LLZ System, Image Processing, Radiological

Cleared on Oct 26, 2017 as substantially equivalent to K131570 (Ewoosoft Co., Ltd., 2013) after a 27-day review. Its family tree reaches back 6 generations to 1993. 18 later devices descend from it.

Decided
Oct 26, 2017
Review
27 days
Class
Class II
Product code
LLZ
Recalls
None
Predicates
1

Its longest line of descent runs back 6 generations to K930527 (1993). 7 ancestors in all. 18 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1998: 1 other ancestor2020: 2 descendants cleared2022: 3 descendants cleared2021: 2 descendants cleared2023: 3 descendants cleared2025: 3 descendants cleared2026: 2 descendants cleared2024: 3 descendants clearedK930527 · Dental Link · Escan, Inc. · 1993K955237 · Tigerscan/Tigerview · Tau Corp. · 1996K012439 · Dentaleye 2 Dental Image Management System · Radco Data AB · 2002K043104 · Kodak Orthodontic Imaging and Oms Imaging 8.0 · Practiceworks, Inc. · 2005K122427 · CS Orthodontic Imaging Software CS Oms Imaging Software · Carestream Dental, LLC · 2012K131570 · Orthovision · Ewoosoft Co., Ltd. · 20131990200020102020
Other ancestors, by generationDescendants, by generation 4 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 3 descendants3 generations forward: 7 descendants4 generations forward: 3 descendants5 generations forward: 1 descendant6 generations forward: 1 descendant7 generations forward: 1 descendant8 generations forward: 1 descendant K131570 · Orthovision · Ewoosoft Co., Ltd. · 2013K122427 · CS Orthodontic Imaging Software CS Oms Imaging Software · Carestream Dental, LLC · 2012K043104 · Kodak Orthodontic Imaging and Oms Imaging 8.0 · Practiceworks, Inc. · 2005K012439 · Dentaleye 2 Dental Image Management System · Radco Data AB · 2002K955237 · Tigerscan/Tigerview · Tau Corp. · 1996K930527 · Dental Link · Escan, Inc. · 1993−50+5
  1. Root · 6 generations backK930527 Dental LinkEscan, Inc. · 1993
  2. 5 generations backK955237 Tigerscan/TigerviewTau Corp. · 1996
  3. 4 generations backK012439 Dentaleye 2 Dental Image Management SystemRadco Data AB · 2002
  4. 3 generations backK043104 Kodak Orthodontic Imaging and Oms Imaging 8.0Practiceworks, Inc. · 2005
  5. 2 generations backK122427 CS Orthodontic Imaging Software CS Oms Imaging SoftwareCarestream Dental, LLC · 2012
  6. 1 generation backK131570 OrthovisionEwoosoft Co., Ltd. · 2013
  7. This deviceK173094 OrthoVisionEwoosoft Co., Ltd. · 2017
  8. Descendant · cites it directly · 17 of its ownK192888 EzOrthoEwoosoft Co., Ltd. · 2020
  9. Descendant · 2 generations on · 6 of its ownK210187 Overjet Dental AssistOverjet, Inc. · 2021
  10. Descendant · 2 generations on · 6 of its ownK202948 EzOrthoEwoosoft Co., Ltd. · 2020
  11. Descendant · 3 generations on · 5 of its ownK211793 EzOrthoEwoosoft Co., Ltd. · 2021
  12. Descendant · 4 generations on · 4 of its ownK220003 EzOrtho v1.3Ewoosoft Co., Ltd. · 2022

Showing 5 of 18 descendants. See all descendants

Descendants cleared per year

2020: 22021: 22022: 32023: 32024: 32025: 32026: 2
2020high 3 (2022) · low 2 (2020)2026

Most influential descendants

Showing 5 of 18 · See all
  • K192888EzOrthoEwoosoft Co., Ltd. · 2020 · cites it directly17descendants
  • K210187Overjet Dental AssistOverjet, Inc. · 2021 · 2 generations on6descendants
  • K202948EzOrthoEwoosoft Co., Ltd. · 2020 · 2 generations on6descendants
  • K211793EzOrthoEwoosoft Co., Ltd. · 2021 · 3 generations on5descendants
  • K220003EzOrtho v1.3Ewoosoft Co., Ltd. · 2022 · 4 generations on4descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K930527Dental LinkEscan, Inc.1993—
−5K955237Tigerscan/TigerviewTau Corp.1996—
−4K012439Dentaleye 2 Dental Image Management SystemRadco Data AB2002—
−3K043104Kodak Orthodontic Imaging and Oms Imaging 8.0Practiceworks, Inc.2005—
−2K122427CS Orthodontic Imaging Software CS Oms Imaging SoftwareCarestream Dental, LLC2012—
−1K131570OrthovisionEwoosoft Co., Ltd.2013—
0 (this device)K173094OrthoVisionEwoosoft Co., Ltd.2017—
+1K192888EzOrthoEwoosoft Co., Ltd.2020—
+2K210187Overjet Dental AssistOverjet, Inc.2021—
+2K202948EzOrthoEwoosoft Co., Ltd.2020—
+3K211793EzOrthoEwoosoft Co., Ltd.2021—
+4K220003EzOrtho v1.3Ewoosoft Co., Ltd.2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202020
202120
202230
202330
202430
202530
202620
FIG. 1 — Lineage of K173094, 1993–2026Source: 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 LLZ? 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 LLZ device

  1. #1 K230955 syngo Application Softwarescore 21.5 · 11 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K131570Orthovision
Summary page 5
…of trained and licensed practitioners or dentists. 9. Predicate Device:  Manufacturer: EWOOSOFT Co., Ltd.  Device: OrthoVision  510(k) Number: K131570 10. Substantial Equivalence: OrthoVision v2.1 described in this 510(k) has the same intended use and the same technical c…
Ewoosoft Co., Ltd.2013—

What descends from it? (18)

See all 18

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K192888EzOrthoEwoosoft Co., Ltd.202017

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 24 years and passes through 6 companies; a new generation was cleared every 4.2 years on median.
  • None of the 7 ancestors has a recall.
  • Of its descendants, K192888 (Ewoosoft Co., Ltd., 2020) has gone furthest, with 17 descendants of its own.

How does its category compare?

All LLZ devices

LLZ System, Image Processing, Radiological: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · LLZ

58in 2025

2007: 762008: 942009: 702010: 512011: 1062012: 822013: 952014: 782015: 642016: 822017: 782018: 1042019: 742020: 812021: 832022: 652023: 872024: 622025: 582026 (partial year): 45
2007high 106 (2011) · low 51 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LLZ

173in 2025

2007: 36 days median2008: 52 days median2009: 62 days median2010: 98 days median2011: 79 days median2012: 87 days median2013: 84 days median2014: 89 days median2015: 90 days median2016: 90 days median2017: 107 days median2018: 105 days median2019: 107 days median2020: 115 days median2021: 116 days median2022: 137 days median2023: 157 days median2024: 131 days median2025: 173 days median2026 (partial year): 110 days median
2007high 173 (2025) · low 36 (2007)2026

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

Recalls per year · LLZ

11in 2025

2007: 202008: 322009: 212010: 172011: 302012: 122013: 642014: 62015: 162016: 122017: 52018: 72019: 22020: 62021: 32022: 42023: 82024: 62025: 112026 (partial year): 14
2007high 64 (2013) · low 2 (2019)2026

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

Adverse event reports per year · LLZ

116in 2025

2007: 1522008: 1542009: 1452010: 1452011: 4542012: 2662013: 1,1302014: 15,6312015: 2112016: 2902017: 1042018: 722019: 882020: 822021: 702022: 282023: 262024: 422025: 116
2007high 15,631 (2014) · low 26 (2023)2025

MAUDE reports naming product code LLZ, 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
2007763620152
2008945232154
2009706221145
2010519817145
20111067930454
2012828712266
20139584641,130
20147889615,631
2015649016211
2016829012290
2017781075104
2018104105772
201974107288
202081115682
202183116370
202265137428
202387157826
202462131642
20255817311116
20264511014—

What is it indicated for?

OtrhoVision software is indicated for use by orthodontists for image analysis, simulation, profilogram, growth forecast, VTO/STO and patient consultation. Results produced by the software’s diagnostic, treatment planning and simulation tools are dependent on the interpretation of trained and licensed practitioners or dentists.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173094: OrthoVision.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173094

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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