510(k) Report

510(k) · Cleared

Recalled · 2007

Denlaser, Model 800

K003541510(k) TraditionalCleared Jan 25, 200170-day reviewClass II21 CFR 878.4810Recalls 12

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

CAO Group, Inc. · GEX Powered Laser Surgical Instrument

Cleared on Jan 25, 2001 after a 70-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 87 later devices descend from it. It has been recalled 12 times.

Decided
Jan 25, 2001
Review
70 days
Class
Class II
Product code
GEX
Recalls
12
Predicates
0

87 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2005: 1 descendant cleared2016: 4 descendants cleared2009: 6 descendants cleared2011: 3 descendants cleared2007: 1 descendant cleared2006: 3 descendants cleared2010: 8 descendants cleared2008: 3 descendants cleared2012: 2 descendants cleared2013: 5 descendants cleared2014: 4 descendants cleared2020: 4 descendants cleared2021: 3 descendants cleared2015: 3 descendants cleared2022: 5 descendants cleared2023: 2 descendants cleared2019: 5 descendants cleared2025: 9 descendants cleared2024: 4 descendants cleared2017: 2 descendants cleared2018: 3 descendants cleared2026: 7 descendants cleared200020052010201520202025
  1. This deviceK003541 Denlaser, Model 800CAO Group, Inc. · 2001
  2. Descendant · cites it directly · 86 of its ownK050453 Odyssey 2.4G, Denlaser Elite, Model 002-00050Ivoclar Vivadent, Inc. · 2005
  3. Descendant · 2 generations on · 71 of its ownK062258 Genesis Diode LaserIvoclar Vivadent, Inc. · 2007
  4. Descendant · 3 generations on · 50 of its ownK081214 Styla Microlaser and StylaorthoZap Lasers, LLC · 2008
  5. Descendant · 2 generations on · 40 of its ownK062619 Denlaser 800 PlusCAO Group, Inc. · 2006
  6. Descendant · 4 generations on · 35 of its ownK093852 Ezlase 3 Laser SystemBiolase Technology, Inc. · 2010

Showing 5 of 87 descendants. See all descendants

Descendants cleared per year

2005: 12006: 32007: 12008: 32009: 62010: 82011: 32012: 22013: 52014: 42015: 32016: 42017: 22018: 32019: 52020: 42021: 32022: 52023: 22024: 42025: 92026: 7
2005high 9 (2025) · low 1 (2005)2026

Most influential descendants

Showing 5 of 87 · See all
  • K050453Odyssey 2.4G, Denlaser Elite, Model 002-00050Ivoclar Vivadent, Inc. · 2005 · cites it directly86descendants
  • K062258Genesis Diode LaserIvoclar Vivadent, Inc. · 2007 · 2 generations on71descendants
  • K081214Styla Microlaser and StylaorthoZap Lasers, LLC · 2008 · 3 generations on50descendants
  • K062619Denlaser 800 PlusCAO Group, Inc. · 2006 · 2 generations on40descendants
  • K093852Ezlase 3 Laser SystemBiolase Technology, Inc. · 2010 · 4 generations on35descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K003541Denlaser, Model 800CAO Group, Inc.2001—
+1K050453Odyssey 2.4G, Denlaser Elite, Model 002-00050Ivoclar Vivadent, Inc.2005—
+2K062258Genesis Diode LaserIvoclar Vivadent, Inc.2007—
+3K081214Styla Microlaser and StylaorthoZap Lasers, LLC2008—
+2K062619Denlaser 800 PlusCAO Group, Inc.2006—
+4K093852Ezlase 3 Laser SystemBiolase Technology, Inc.2010—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200630
200710
200830
200960
201080
201130
201220
201350
201440
201530
201640
201720
201830
201950
202040
202130
202250
202320
202440
202590
202670
FIG. 1 — Lineage of K003541, 2001–2026Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in GEX? 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 GEX device

  1. #1 K222064 The Alma Soprano Titaniumscore 38.1 · 24 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (87)

See all 87

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

NumberDeviceApplicantDecidedDescendants
K050453Odyssey 2.4G, Denlaser Elite, Model 002-00050Ivoclar Vivadent, Inc.200586

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Jul 23, 2007Not classifiedZ-0271-2008Software designIncorrect Decay Correction Results - ECAT System's software versions 7.2.2 and 7.4 calculate the decay correction for emission data incorrectly, while performing whole-body studies with all transmissions followed by all emissions.
Jul 23, 2007Not classifiedZ-0273-2008Software designIncorrect Data Results - ECAT System's software versions 7.2.2 and 7.4 may calculate the decay correction for emission data incorrectly while performing whole-body studies with all transmissions followed by all emissions.
Jul 23, 2007Not classifiedZ-0251-2008Software designVisual asymmetric appearance; An asymmetry can be introduced into the attenuation-corrected PET images when using iterative reconstruction in combination with a specific number of subsets and reconstruction matrix sizes. (This problem…
Jul 23, 2007Not classifiedZ-0252-2008Software designVisual asymmetric appearance; An asymmetry can be introduced into the attenuation-corrected PET images when using iterative reconstruction in combination with a specific number of subsets and reconstruction matrix sizes. (This problem…
Jul 23, 2007Not classifiedZ-0270-2008Software designIncorrect Decay Correction Results - ECAT System's software versions 7.2.2 and 7.4 calculate the decay correction for emission data incorrectly, while performing whole-body studies with all transmissions followed by all emissions.
Jul 23, 2007Not classifiedZ-0246-2008Software designVisual asymmetric appearance; An asymmetry can be introduced into the attenuation-corrected PET images when using iterative reconstruction in combination with a specific number of subsets and reconstruction matrix sizes. (This problem…
Jul 23, 2007Not classifiedZ-0247-2008Software designVisual asymmetric appearance; An asymmetry can be introduced into the attenuation-corrected PET images when using iterative reconstruction in combination with a specific number of subsets and reconstruction matrix sizes. (This problem…
Jul 23, 2007Not classifiedZ-0249-2008Software designVisual asymmetric appearance; An asymmetry can be introduced into the attenuation-corrected PET images when using iterative reconstruction in combination with a specific number of subsets and reconstruction matrix sizes. (This problem…
Jul 23, 2007Not classifiedZ-0248-2008Software designVisual asymmetric appearance; An asymmetry can be introduced into the attenuation-corrected PET images when using iterative reconstruction in combination with a specific number of subsets and reconstruction matrix sizes. (This problem…
Jul 23, 2007Not classifiedZ-0250-2008Software designVisual asymmetric appearance; An asymmetry can be introduced into the attenuation-corrected PET images when using iterative reconstruction in combination with a specific number of subsets and reconstruction matrix sizes. (This problem…
Jul 23, 2007Not classifiedZ-0269-2008Software designIncorrect Decay Correction Results - ECAT System's software versions 7.2.2 and 7.4 calculate the decay correction for emission data incorrectly, while performing whole-body studies with all transmissions followed by all emissions.
Jul 23, 2007Not classifiedZ-0272-2008Software designIncorrect Decay Correction Results - ECAT System's software versions 7.2.2 and 7.4 calculate the decay correction for emission data incorrectly, while performing whole-body studies with all transmissions followed by all emissions.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K050453 (Ivoclar Vivadent, Inc., 2005) has gone furthest, with 86 descendants of its own.

How does its category compare?

All GEX devices

GEX Powered Laser Surgical Instrument: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GEX

83in 2025

2007: 732008: 1072009: 692010: 502011: 412012: 452013: 462014: 612015: 472016: 512017: 672018: 512019: 412020: 522021: 532022: 602023: 522024: 822025: 832026 (partial year): 57
2007high 107 (2008) · low 41 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GEX

90in 2025

2007: 79 days median2008: 86 days median2009: 100 days median2010: 96 days median2011: 83 days median2012: 118 days median2013: 144 days median2014: 147 days median2015: 112 days median2016: 114 days median2017: 90 days median2018: 78 days median2019: 88 days median2020: 90 days median2021: 123 days median2022: 152 days median2023: 87 days median2024: 90 days median2025: 90 days median2026 (partial year): 90 days median
2007high 152 (2022) · low 78 (2018)2026

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

Recalls per year · GEX

3in 2024

2007: 92008: 22010: 42011: 182012: 52013: 32014: 62016: 12017: 5, 1 Class I2018: 52019: 62020: 12023: 62024: 32026 (partial year): 2
2007high 18 (2011) · low 0 (2009)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · GEX

2,720in 2025

2007: 3422008: 2322009: 2092010: 1,7112011: 3,0242012: 2,0002013: 2,2362014: 2,0362015: 2,0992016: 2,5852017: 2,9772018: 3,5252019: 2,7092020: 2,1832021: 3,4652022: 2,2882023: 2,3372024: 2,1872025: 2,720
2007high 3,525 (2018) · low 209 (2009)2025

MAUDE reports naming product code GEX, 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
200773799342
2008107862232
2009691000209
2010509641,711
20114183183,024
20124511852,000
20134614432,236
20146114762,036
20154711202,099
20165111412,585
201767905 (1)2,977
2018517853,525
2019418862,709
2020529012,183
20215312303,465
20226015202,288
2023528762,337
2024829032,187
2025839002,720
202657902—
Cite this page

510(k) Report. “K003541: Denlaser, Model 800.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K003541

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026