510(k) Report

510(k) · Cleared

Cleared

iTero Element 5D

K193659510(k) TraditionalCleared Mar 20, 202081-day reviewClass II21 CFR 872.1745

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

Align Technology, Inc. · NTK Light Transmission Caries Detector

Cleared on Mar 20, 2020 as substantially equivalent to K172007 (Duerr Dental AG, 2017) after an 81-day review. Its family tree reaches back 5 generations to 1994. 2 later devices descend from it.

Decided
Mar 20, 2020
Review
81 days
Class
Class II
Product code
NTK
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K933455 (1994). 7 ancestors in all. 2 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2007: 1 other ancestor1996: 1 other ancestor2024: 1 descendant cleared2026: 1 descendant clearedK933455 · Computed Oral Radiology System · Schick Technologies, Inc. · 1994K991098 · Difoti System · Electro-Optical Sciences, Inc. · 1999K043068 · Difoti Usb 2.0 System · Electro-Optical Sciences, Inc. · 2004K123402 · Diagnocam · Kaltenbach & Voigt GmbH · 2013K172007 · CamX Triton HD Proxi Head · Duerr Dental AG · 20171990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 1 descendant K172007 · CamX Triton HD Proxi Head · Duerr Dental AG · 2017K123402 · Diagnocam · Kaltenbach & Voigt GmbH · 2013K043068 · Difoti Usb 2.0 System · Electro-Optical Sciences, Inc. · 2004K991098 · Difoti System · Electro-Optical Sciences, Inc. · 1999K933455 · Computed Oral Radiology System · Schick Technologies, Inc. · 1994−50
  1. Root · 5 generations backK933455 Computed Oral Radiology SystemSchick Technologies, Inc. · 1994
  2. 4 generations backK991098 Difoti SystemElectro-Optical Sciences, Inc. · 1999
  3. 3 generations backK043068 Difoti Usb 2.0 SystemElectro-Optical Sciences, Inc. · 2004
  4. 2 generations backK123402 DiagnocamKaltenbach & Voigt GmbH · 2013
  5. 1 generation backK172007 CamX Triton HD Proxi HeadDuerr Dental AG · 2017
  6. This deviceK193659 iTero Element 5DAlign Technology, Inc. · 2020
  7. Descendant · cites it directly · 1 of its ownK240573 iTero Lumina™ ProAlign Technology, Ltd. · 2024
  8. Descendant · 2 generations on · 0 of its ownK261847 iTero Lumina™ ProAlign Technology, Ltd. · 2026

Most influential descendants

Showing 2 of 2 · See all
  • K240573iTero Lumina™ ProAlign Technology, Ltd. · 2024 · cites it directly1descendant
  • K261847iTero Lumina™ ProAlign Technology, Ltd. · 2026 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K933455Computed Oral Radiology SystemSchick Technologies, Inc.1994—
−4K991098Difoti SystemElectro-Optical Sciences, Inc.1999—
−3K043068Difoti Usb 2.0 SystemElectro-Optical Sciences, Inc.2004—
−2K123402DiagnocamKaltenbach & Voigt GmbH2013—
−1K172007CamX Triton HD Proxi HeadDuerr Dental AG2017—
0 (this device)K193659iTero Element 5DAlign Technology, Inc.2020—
+1K240573iTero Lumina™ ProAlign Technology, Ltd.2024—
+2K261847iTero Lumina™ ProAlign Technology, Ltd.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199610
200710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
202610
FIG. 1 — Lineage of K193659, 1994–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 NTK? 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 NTK device

  1. #1 K261847 iTero Lumina™ Proscore 13.4 · 7 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
*K172007CamX Triton HD Proxi Head
Summary page 4
…r fluorescence caries detection device Regulatory Class: Class II Product Code: NTK Regulation Number: 21 CFR 872.1745 Predicate Devices: CamX Triton HD Proxi Head (K172007) Device Description The iTero Element 5D is an integrated intraoral imaging system capable of 3D confocal optical impressions f…
Duerr Dental AG2017—

Also cleared against K172007: 1 other device →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K240573iTero Lumina™ ProAlign Technology, Ltd.20241

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 26 years and passes through 5 companies; a new generation was cleared every 5.4 years on median.
  • None of the 7 ancestors has a recall.
  • Of its descendants, K240573 (Align Technology, Ltd., 2024) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K172007.

How does its category compare?

All NTK devices

NTK Light Transmission Caries Detector: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.

FDA decisions per year · NTK

1in 2025

2007: 22013: 12017: 12019: 12020: 12022: 12024: 12025: 12026 (partial year): 1
2007high 2 (2007) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NTK

Too few NTK 510(k)s in any year since 2007 to give a median.

Recalls per year · NTK

No recall names NTK since 2007.

Adverse event reports per year · NTK

2in 2025

2017: 12023: 22025: 2
2007high 2 (2023) · low 0 (2007)2025

MAUDE reports naming product code NTK, 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
20072—00
20080—00
20090—00
20100—00
20110—00
20120—00
20131—00
20140—00
20150—00
20160—00
20171—01
20180—00
20191—00
20201—00
20210—00
20221—00
20230—02
20241—00
20251—02
20261—0—

What is it indicated for?

The iTero Element 5D is a diagnostic aid for the detection of interproximal caries lesions above the gingiva and for monitoring the progress of such lesions.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K193659: iTero Element 5D.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K193659

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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