510(k) Report

510(k) · Cleared

Recalled · Class II · 2024

Byte Aligner System

K230199510(k) TraditionalCleared Oct 18, 2023266-day reviewClass II21 CFR 872.5470Recalls 1

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

Dentsply Sirona, Inc. · NXC Aligner, Sequential

Cleared on Oct 18, 2023 as substantially equivalent to K180346 (Straight Smile, LLC, 2019) after a 266-day review. Its family tree reaches back 6 generations to 1978. It has been recalled once.

Decided
Oct 18, 2023
Review
266 days
Class
Class II
Product code
NXC
Recalls
1
Predicates
1

Its longest line of descent runs back 6 generations to K780619 (1978). 8 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 6 generations backK780619 Preformed Tooth PositionerTp Laboratories, Inc. · 1978
  2. 5 generations backK981095 Align SystemAlign Technology · 1998
  3. 4 generations backK071970 Clear Image AlignerSpecialty Appliance Works, Inc. · 2007
  4. 3 generations backK082556 ClearcorrectClearcorrect, Inc. · 2009
  5. 2 generations backK113618 Clearcorrect SystemClearcorrect, Inc. · 2012
  6. 1 generation backK180346 Byte Aligner SystemStraight Smile, LLC · 2019
  7. This deviceK230199 Byte Aligner SystemDentsply Sirona, Inc. · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K780619Preformed Tooth PositionerTp Laboratories, Inc.1978—
−5K981095Align SystemAlign Technology1998—
−4K071970Clear Image AlignerSpecialty Appliance Works, Inc.2007—
−3K082556ClearcorrectClearcorrect, Inc.2009—
−2K113618Clearcorrect SystemClearcorrect, Inc.2012—
−1K180346Byte Aligner SystemStraight Smile, LLC2019—
0 (this device)K230199Byte Aligner SystemDentsply Sirona, Inc.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200410
201010
FIG. 1 — Lineage of K230199, 1978–2023Source: 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 NXC? 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 NXC device

  1. #1 K220287 Invisalign Systemscore 20.3 · 5 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
*K180346Byte Aligner System
Summary page 5
…Predicate & Reference Devices: Device Name Device Type 510(k) Company Name Byte Aligner System Predicate K180346 Straight Smile, LLC (part of Dentsply Sirona) Surecle…
Straight Smile, LLC2019—
†K171860Sureclear alignersEmergo Global Consulting, LLC2018—
†K062828Mouthguard and Aligner MaterialsDentsply Intl., Inc.2006—
†K181739Invisalign System with Mandibular Advancement FeatureAlign Technology, Inc.2018—
†K182826Ormco Spark Aligner SystemSybron Dental Specialties2018—
†K213916ArchForm Orthodontic Software SystemArchform, Inc.2021—

Also cleared against K180346: 3 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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

Recalls of this device

DateClassRecallRoot causeReason
Nov 4, 2024Class IIZ-0750-2025Device DesignVirtual-only clinical workflow utilized for dental aligners and impression to approve patients for aligner devices may not be suitable for patients who have certain contraindications.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 45 years and passes through 6 companies; a new generation was cleared every 6.9 years on median.
  • None of the 8 ancestors has a recall.
  • 3 other devices also cite its predicate K180346.

How does its category compare?

All NXC devices

NXC Aligner, Sequential: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · NXC

11in 2025

2007: 12008: 22009: 22010: 12012: 22013: 42015: 22016: 12017: 32018: 112019: 162020: 162021: 202022: 192023: 132024: 142025: 112026 (partial year): 5
2007high 20 (2021) · low 0 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NXC

61in 2025

2013: 124 days median2017: 85 days median2018: 116 days median2019: 182 days median2020: 230 days median2021: 97 days median2022: 137 days median2023: 152 days median2024: 105 days median2025: 61 days median2026 (partial year): 127 days median
2007high 230 (2020) · low 61 (2025)2026

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

Recalls per year · NXC

2in 2024

2024: 2
2007high 2 (2024) · low 0 (2007)2026

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

Adverse event reports per year · NXC

4,523in 2025

2007: 12008: 52009: 22010: 112011: 592012: 242013: 282014: 272015: 432016: 412017: 472018: 672019: 1272020: 1752021: 9292022: 6052023: 4332024: 8,9912025: 4,523
2007high 8,991 (2024) · low 1 (2007)2025

MAUDE reports naming product code NXC, 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
20071—01
20082—05
20092—02
20101—011
20110—059
20122—024
20134124028
20140—027
20152—043
20161—041
2017385047
201811116067
2019161820127
2020162300175
202120970929
2022191370605
2023131520433
20241410528,991
2025116104,523
202651270—

What is it indicated for?

The Byte Aligner System is indicated for the treatment of tooth malocclusion in patients with permanent dentition (i.e., all second molars). The Byte Aligner System positions teeth by way of continuous gentle force.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K230199: Byte Aligner System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K230199

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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