510(k) Report

510(k) · Cleared

Cleared

Digital Dental Intra Oral Sensor, EzSensor Smart

K150797510(k) SpecialCleared May 1, 201536-day reviewClass II21 CFR 872.1800

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

Rayence Co., Ltd. · MUH System, X-Ray, Extraoral Source, Digital

Cleared on May 1, 2015 as substantially equivalent to K090526 (E-Woo Technology, 2009) after a 36-day review. Its family tree reaches back 4 generations to 1994. 3 later devices descend from it.

Decided
May 1, 2015
Review
36 days
Class
Class II
Product code
MUH
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K933455 (1994). 5 ancestors in all. 3 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2004: 1 other ancestor2015: 1 descendant cleared2020: 1 descendant cleared2023: 1 descendant clearedK933455 · Computed Oral Radiology System · Schick Technologies, Inc. · 1994K022953 · Modification to Computed Oral Radiology System · Schick Technologies, Inc. · 2002K072134 · Schick Computed Oral Radiology System · Schick Technologies, Inc. · 2007K090526 · Medical Image Processing Unit, Model Ezsensor · E-Woo Technology · 20091990200020102020
  1. Root · 4 generations backK933455 Computed Oral Radiology SystemSchick Technologies, Inc. · 1994
  2. 3 generations backK022953 Modification to Computed Oral Radiology SystemSchick Technologies, Inc. · 2002
  3. 2 generations backK072134 Schick Computed Oral Radiology SystemSchick Technologies, Inc. · 2007
  4. 1 generation backK090526 Medical Image Processing Unit, Model EzsensorE-Woo Technology · 2009
  5. This deviceK150797 Digital Dental Intra Oral Sensor, EzSensor SmartRayence Co., Ltd. · 2015
  6. Descendant · cites it directly · 2 of its ownK153060 Digital Dental Intra Oral Sensor, EzSensor Classic, EzSensor HD…Rayence Co., Ltd. · 2015
  7. Descendant · 2 generations on · 0 of its ownK230916 WeSensorPicopack, Inc. · 2023
  8. Descendant · 2 generations on · 0 of its ownK200625 I-View Gold and Imagen Gold Dental SensorsTrident S.R.L · 2020

Most influential descendants

Showing 3 of 3 · See all
  • K153060Digital Dental Intra Oral Sensor, EzSensor Classic, EzSensor HD, HDI-P, HDI-SRayence Co., Ltd. · 2015 · cites it directly2descendants
  • K230916WeSensorPicopack, Inc. · 2023 · 2 generations on0descendants
  • K200625I-View Gold and Imagen Gold Dental SensorsTrident S.R.L · 2020 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K933455Computed Oral Radiology SystemSchick Technologies, Inc.1994—
−3K022953Modification to Computed Oral Radiology SystemSchick Technologies, Inc.2002—
−2K072134Schick Computed Oral Radiology SystemSchick Technologies, Inc.2007—
−1K090526Medical Image Processing Unit, Model EzsensorE-Woo Technology2009—
0 (this device)K150797Digital Dental Intra Oral Sensor, EzSensor SmartRayence Co., Ltd.2015—
+1K153060Digital Dental Intra Oral Sensor, EzSensor Classic, EzSensor HD, HDI-P, HDI-SRayence Co., Ltd.2015—
+2K230916WeSensorPicopack, Inc.2023—
+2K200625I-View Gold and Imagen Gold Dental SensorsTrident S.R.L2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201510
202010
202310
FIG. 1 — Lineage of K150797, 1994–2023Source: 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 MUH? 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 MUH device

  1. #1 K242778 X Sensor (Model: IOS-A15IF, HDI-15DGF)score 16.0 · 7 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
*K090526Medical Image Processing Unit, Model Ezsensor
Summary page 4
…MUH Predicate Device : Manufacturer : Rayence Co., Ltd. Device : EzSensor 510(k) Number : K090526 The Regulation Number : 21 CFR 872.1800 1 510(k) Submi…
E-Woo Technology2009—

Also cleared against K090526: 4 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K153060Digital Dental Intra Oral Sensor, EzSensor Classic, EzSensor HD, HDI-P, HDI-SRayence Co., Ltd.20152

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 21 years and passes through 3 companies; a new generation was cleared every 5.4 years on median.
  • None of the 5 ancestors has a recall.
  • Of its descendants, K153060 (Rayence Co., Ltd., 2015) has gone furthest, with 2 descendants of its own.
  • 4 other devices also cite its predicate K090526.

How does its category compare?

All MUH devices

MUH System, X-Ray, Extraoral Source, Digital: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.

FDA decisions per year · MUH

3in 2025

2007: 112008: 82009: 92010: 92011: 102012: 92013: 92014: 82015: 122016: 62017: 92018: 32019: 52020: 52021: 102022: 72023: 112024: 42025: 32026 (partial year): 2
2007high 12 (2015) · low 3 (2018)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MUH

159in 2025

2007: 48 days median2008: 64 days median2009: 88 days median2010: 174 days median2011: 89 days median2012: 81 days median2013: 172 days median2014: 168 days median2015: 111 days median2016: 47 days median2017: 84 days median2018: 29 days median2019: 64 days median2020: 36 days median2021: 80 days median2022: 57 days median2023: 57 days median2024: 144 days median2025: 159 days median
2007high 174 (2010) · low 29 (2018)2026

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

Recalls per year · MUH

1in 2015

2008: 12009: 22013: 12014: 12015: 1
2007high 2 (2009) · low 0 (2007)2026

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

Adverse event reports per year · MUH

1in 2025

2009: 122010: 92012: 52013: 12014: 52015: 32016: 12017: 42018: 102019: 62021: 12023: 12025: 1
2007high 12 (2009) · low 0 (2007)2025

MAUDE reports naming product code MUH, 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
2007114800
200886410
2009988212
2010917409
2011108900
201298105
2013917211
2014816815
20151211113
201664701
201798404
2018329010
201956406
202053600
2021108001
202275700
2023115701
2024414400
2025315901
20262—0—

What is it indicated for?

Digital Dental Intra Oral Sensor is intended to collect dental x-ray photons and convert them into electronic impulses that

may be stored, viewed and manipulated for diagnostic use by dentists.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K150797: Digital Dental Intra Oral Sensor, EzSensor Smart.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K150797

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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