510(k) Report

510(k) · Cleared

Cleared

Overjet Periapical Radiolucency Assist

K231678510(k) TraditionalCleared Sep 21, 2023104-day reviewClass II21 CFR 892.2070

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

Overjet, Inc. · MYN Analyzer, Medical Image

Cleared on Sep 21, 2023 as substantially equivalent to K221921 (Nobel Biocare AB, 2023) and 1 other predicate after a 104-day review. Its family tree reaches back 3 generations to 1998. 2 later devices descend from it.

Decided
Sep 21, 2023
Review
104 days
Class
Class II
Product code
MYN
Recalls
None
Predicates
2

Its longest line of descent runs back 3 generations to P980025 (1998). 4 ancestors in all. 2 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2022: 1 other ancestor2026: 1 descendant cleared2025: 1 descendant clearedP980025 · Logicon Caries Detector · Carestream Dental, LLC · 1998 · recalledK210365 · Second Opinion · Pearl, Inc. · 2022K221921 · DTX Studio Clinic 3.0 · Nobel Biocare AB · 20231995200020052010201520202025
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor 1 generation forward: 2 descendants K221921 · DTX Studio Clinic 3.0 · Nobel Biocare AB · 2023K210365 · Second Opinion · Pearl, Inc. · 2022P980025 · Logicon Caries Detector · Carestream Dental, LLC · 1998 · recalled0
  1. Root · 3 generations backP980025 Logicon Caries DetectorCarestream Dental, LLC · 1998 · Recalled
  2. 2 generations backK210365 Second OpinionPearl, Inc. · 2022
  3. 1 generation backK221921 DTX Studio Clinic 3.0Nobel Biocare AB · 2023
  4. This deviceK231678 Overjet Periapical Radiolucency AssistOverjet, Inc. · 2023
  5. Descendant · cites it directly · 0 of its ownK252934 DiagnocatDgnct, LLC · 2026
  6. Descendant · cites it directly · 0 of its ownK242600 Second Opinion Periapical Radiolucency ContoursPearl, Inc. · 2025

Most influential descendants

Showing 2 of 2 · See all
  • K252934DiagnocatDgnct, LLC · 2026 · cites it directly0descendants
  • K242600Second Opinion Periapical Radiolucency ContoursPearl, Inc. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3P980025Logicon Caries DetectorCarestream Dental, LLC19981
−2K210365Second OpinionPearl, Inc.2022—
−1K221921DTX Studio Clinic 3.0Nobel Biocare AB2023—
0 (this device)K231678Overjet Periapical Radiolucency AssistOverjet, Inc.2023—
+1K252934DiagnocatDgnct, LLC2026—
+1K242600Second Opinion Periapical Radiolucency ContoursPearl, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
202210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
202610
FIG. 1 — Lineage of K231678, 1998–2026Source: 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 MYN? 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 MYN device

  1. #1 K210365 Second Opinionscore 29.9 · 1 generation · 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? (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.

TypeNumberDeviceApplicantDecidedRecalls
*K221921DTX Studio Clinic 3.0
Summary page 4
…892.2070 Product Code MYN 21 CFR 807.92(a)(3) I Legally Marketed Predicate Devices Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K221921 DTX Studio Clinic 3.0 MYN K210365 Second Opinion® MYN Device Description Summary 21 CFR 807.92(a)(4) Overjet Periapical Radiolu…
Nobel Biocare AB2023—
*K210365Second Opinion
Summary page 4
…R 807.92(a)(3) I Legally Marketed Predicate Devices Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K221921 DTX Studio Clinic 3.0 MYN K210365 Second Opinion® MYN Device Description Summary 21 CFR 807.92(a)(4) Overjet Periapical Radiolucency "PARL" Assist is a module wi…
Pearl, Inc.2022—

Also cleared against K221921: 1 other device →

What descends from it? (2)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K252934DiagnocatDgnct, LLC20260
K242600Second Opinion Periapical Radiolucency ContoursPearl, Inc.20250

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 25 years and passes through 4 companies; a new generation was cleared every 1.1 years on median.
  • 1 of the 4 ancestors has a recall of any class.
  • Of its descendants, K252934 (Dgnct, LLC, 2026) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K221921.

How does its category compare?

All MYN devices

MYN Analyzer, Medical Image: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · MYN

14in 2025

2007: 52008: 22010: 22011: 12012: 62013: 42014: 32015: 32016: 22017: 32019: 12021: 22022: 52023: 102024: 22025: 142026 (partial year): 7
2007high 14 (2025) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MYN

210in 2025

2022: 273 days median2023: 229 days median2025: 210 days median2026 (partial year): 128 days median
2007high 273 (2022) · low 210 (2025)2026

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

Recalls per year · MYN

No recall names MYN since 2007.

Adverse event reports per year · MYN

2in 2025

2018: 12024: 12025: 2
2007high 2 (2025) · low 0 (2007)2025

MAUDE reports naming product code MYN, 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
20075—00
20082—00
20090—00
20102—00
20111—00
20126—00
20134—00
20143—00
20153—00
20162—00
20173—00
20180—01
20191—00
20200—00
20212—00
2022527300
20231022900
20242—01
20251421002
202671280—

What is it indicated for?

Overjet Periapical Radiolucency (PARL) Assist is a radiological, automated, concurrent read computer-assisted detection software intended to aid in the detection of periapical radiolucencies on permanent teeth captured on periapical radiographs. The device provides additional aid for the dentist to use in their identification of periapical radiolucency. The device is not intended as a replacement for a complete dentist’s review or their clinical judgment…

Read the full statement (104 words)

Overjet Periapical Radiolucency (PARL) Assist is a radiological, automated, concurrent read computer-assisted detection software intended to aid in the detection of periapical radiolucencies on permanent teeth captured on periapical radiographs. The device provides additional aid for the dentist to use in their identification of periapical radiolucency. The device is not intended as a replacement for a complete dentist’s review or their clinical judgment that considers other relevant information from the image or patient history. The system is to be used by professionally trained and licensed dentists.

The Overjet Periapical Radiolucency Assist software is indicated for use on patients 12 years of age or older.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K231678: Overjet Periapical Radiolucency Assist.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K231678

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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