Dual Core is a dual-cured, radiopaque composite resin used for dental core build-up. The device consists of a base and catalyst paste provided in either a syringe or cartridge delivery system. An intraoral mixing tip is attached to the delivery device to combine the base and catalyst during application. Once applied to the tooth, the material undergoes self-polymerization via a chemical reaction and can be further cured using a light-curing unit (420-500nm wavelength). The device is intended for use by dental professionals in a clinical setting to restore carious lesions or structural tooth defects. The dual-curing mechanism allows for both chemical and light-activated hardening, providing flexibility in setting time. The output is a hardened composite material that replaces missing tooth structure, facilitating subsequent restorative procedures.
Clinical Evidence
Bench testing only. Testing included shelf-life (appearance, shade, working/setting time, water sorption, solubility, flexural strength), performance (compressive strength, flexural modulus, surface hardness, filler particle size distribution, radio-opacity, color stability), and biocompatibility (ISO 10993-5 cytotoxicity, ISO 10993-10 sensitization, ISO 10993-23 oral mucosa irritation, ISO 10993-11 systemic toxicity, ISO 10993-3 genotoxicity). Results demonstrate compliance with ISO 4049 and biocompatibility standards.
Technological Characteristics
Dual-cured composite resin containing barium aluminosilicate, silica, and Bis-GMA base matrix. Delivered via auto-mixing syringe or cartridge with intraoral tips. Curing via chemical reaction and light-activation (420-500nm). Conforms to ISO 4049. Non-sterile.
Indications for Use
Indicated for core build-up in patients requiring dental restoration. Prescription use only.
Regulatory Classification
Identification
Tooth shade resin material is a device composed of materials such as bisphenol-A glycidyl methacrylate (Bis-GMA) intended to restore carious lesions or structural defects in teeth.
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FDA U.S. FOOD & DRUG ADMINISTRATION
May 11, 2026
Vericom Co., Ltd.
% Priscilla Chung
Regulatory Affairs Consultant
LK Consulting Group USA, Inc.
2552 Wanut Ave. Suite 230
Tustin, California 92780
Re: K260805
Trade/Device Name: Dual Core
Regulation Number: 21 CFR 872.3690
Regulation Name: Tooth Shade Resin Material
Regulatory Class: Class II
Product Code: EBF
Dated: March 11, 2026
Received: March 12, 2026
Dear Priscilla Chung:
We have reviewed your section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (the Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. Although this letter refers to your product as a device, please be aware that some cleared products may instead be combination products. The 510(k) Premarket Notification Database available at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
U.S. Food & Drug Administration
10903 New Hampshire Avenue
Silver Spring, MD 20993
www.fda.gov
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K260805 - Priscilla Chung
Page 2
Additional information about changes that may require a new premarket notification are provided in the FDA guidance documents entitled "Deciding When to Submit a 510(k) for a Change to an Existing Device" (https://www.fda.gov/media/99812/download) and "Deciding When to Submit a 510(k) for a Software Change to an Existing Device" (https://www.fda.gov/media/99785/download).
Your device is also subject to, among other requirements, the Quality Management System Regulation (QMSR) (21 CFR Part 820), which includes, but is not limited to, ISO 13485 clause 7.3 (Design controls), ISO 13485 clause 8.3 (Nonconforming product), ISO 13485 clause 8.5.2 (Corrective action), and ISO 13485 clause 8.5.3 (Preventative action). Please note that regardless of whether a change requires premarket review, the QMSR requires device manufacturers to review and approve changes to device design and production (ISO 13485 clause 7.3 and ISO 13485 clause 7.5) and document changes and approvals in the Medical Device File (ISO 13485 clause 4.2.3).
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting (reporting of medical device-related adverse events) (21 CFR Part 803) for devices or postmarketing safety reporting (21 CFR Part 4, Subpart B) for combination products (see https://www.fda.gov/combination-products/guidance-regulatory-information/postmarketing-safety-reporting-combination-products); good manufacturing practice requirements as set forth in the Quality Management System Regulation (QMSR) (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR Part 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR Parts 1000-1050.
All medical devices, including Class I and unclassified devices and combination product device constituent parts are required to be in compliance with the final Unique Device Identification System rule ("UDI Rule"). The UDI Rule requires, among other things, that a device bear a unique device identifier (UDI) on its label and package (21 CFR 801.20(a)) unless an exception or alternative applies (21 CFR 801.20(b)) and that the dates on the device label be formatted in accordance with 21 CFR 801.18. The UDI Rule (21 CFR 830.300(a) and 830.320(b)) also requires that certain information be submitted to the Global Unique Device Identification Database (GUDID) (21 CFR Part 830 Subpart E). For additional information on these requirements, please see the UDI System webpage at https://www.fda.gov/medical-devices/device-advice-comprehensive-regulatory-assistance/unique-device-identification-system-udi-system.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to https://www.fda.gov/medical-devices/medical-device-safety/medical-device-reporting-mdr-how-report-medical-device-problems.
For comprehensive regulatory information about medical devices and radiation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medical-devices/device-advice-comprehensive-regulatory-assistance) and CDRH Learn (https://www.fda.gov/training-and-continuing-education/cdrh-learn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (https://www.fda.gov/medical-devices/device-advice-comprehensive-regulatory-
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K260805 - Priscilla Chung
Page 3
assistance/contact-us-division-industry-and-consumer-education-dice) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
MICHAEL E. ADJODHA -S
Michael E. Adjodha, MChE, RAC, CQIA
Assistant Director
DHT1B: Division of Dental and ENT Devices
OHT1: Office of Ophthalmic, Anesthesia, Respiratory, ENT, and Dental Devices
Office of Product Evaluation and Quality
Center for Devices and Radiological Health
Enclosure
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| Indications for Use | | |
| --- | --- | --- |
| Please type in the marketing application/submission number, if it is known. This textbox will be left blank for original applications/submissions. | K260805 | ? |
| Please provide the device trade name(s). | | ? |
| Dual Core | | |
| Please provide your Indications for Use below. | | ? |
| Core build-up | | |
| Please select the types of uses (select one or both, as applicable). | ☑ Prescription Use (Part 21 CFR 801 Subpart D) ☐ Over-The-Counter Use (21 CFR 801 Subpart C) | ? |
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K260805
510(k) Summary
This summary of 510(k)-safety and effectiveness information is being submitted in accordance with requirements of 21 CFR Part 807.92.
Date: Mar 11, 2026
1. Applicant / Submitter:
Vericom Co., Ltd.
48, Toegyegongdan 1-Gil, Chuncheon-Si,
Gangwon-Do, 24427, Republic of Korea
Tel: +82-31-441-2881 Fax: +82-31-441-2883
2. Submission Correspondent:
Priscilla Chung
LK Consulting Group USA, Inc.
2552 Walnut Ave Ste 230, Tustin CA 92780
Phone: 714-202-5789 Fax: 714-409-3357
Email: juhee.c@lkconsultinggroup.com
3. Device:
Proprietary Name: Dual Core
Common Name: Dual-cured composite resin
Classification Name: Material, Tooth Shade, Resin
(21 CFR 872.3690, Product Code: EBF)
4. Predicate Device:
Luxacore Dual (K012307) by DMG USA, INC.
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2
5. Device Description:
Dual Core is a dual-cured (light and chemical), radiopaque compound used for replacing dental caries and core build-up. It comes in two types: cartridge and syringe. By attaching an intraoral tip, application to the treatment area becomes easier. Dual Core does not have a prior 510(k) clearance. The subject device is a new device.
6. Indications for Use:
Core build-up
7. Performance Data (Non-Clinical):
The following tests were performed on the subject device and the test results support that the subject device is substantially equivalent to the predicate devices.
- Shelf-Life Tests: Appearance, Shade, Working Time, Setting Time, Water Sorption, Solubility, Flexural Strength
- Performance Tests: Working Time, Setting Time, Flexural Strength, Water Sorption, Solubility, Shade, Color Stability, Radio-opacity, Compressive Strength, Flexural Modulus, Surface Hardness, Filler particle size distribution
- Biocompatibility Tests: Cytotoxicity (ISO 10993-5), Sensitization, GPMT (ISO 10993-10), Oral Mucosa Irritation (ISO 10993-23), Systemic toxicity / Oral (ISO 10993-11), Genotoxicity (ISO 10993-3)
8. Substantial Equivalence
8.1. Comparison Chart
| | Subject Device | Primary Predicate Device |
| --- | --- | --- |
| Trade Name | Dual Core | Luxacore Dual |
| Manufacturer | VERICOM CO., LTD. | DMG USA, INC. |
| 510K Number | - | K012307 |
| Product Code | EBF | EBF |
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| Indications for Use | Core build-up | - The Principal use for LuxaCore a Dual is as a core material either with adhesive or with pins or posts. - Splinting of teeth in combination with wires, Kevlar or Ribbond-type materials. - Repair material for provisionals - Bite registration material - Build up material for plastic bite rail (Occlusal individualization) - Cement for pins and posts - Semipermanent restorative material (e.g., in children’s teeth) |
| --- | --- | --- |
| Raw materials | - Barium aluminosilicate - Silica - Bis-GMA base matrix | - Barium glass - Pyrogenic silicic acid - Bis-GMA Based matrix |
| Principle of operation | This product is a dual-cured paste product consisting of monomer, filler, photoinitiator, base-catalyst reagent, accelerator and pigment in syringes and cartridges. The shape of the syringe and cartridge consists of two containers each in one form. Each container consists of a base and a catalyst, and the mixing & intraoral tip is attached to the front of the syringe or cartridge so that the base and catalyst are mixed before use and the product is discharged. In case of cartridge type, it is additionally used by attaching to the dispensing gun. After the product is discharged, the product is irradiated with light with a wavelength of 420-500nm, the photoinitiator and accelerator interact to initiate the monomer and cure the product. At this time, dual curing, which includes self-polymerization by chemical reaction with the base-catalyst, proceeds. If photopolymerization is not carried out, only self-polymerization by base-catalyst chemical reaction can proceed, but curing time may be further delayed. Through this mechanism, Dual core restores and build up carious lesions or structural defects of teeth. | LuxaCore Dual is an automatic mixing, dual-cure composite that has been specially developed for all types of core build-ups and build-up fillings. Radiopaque LuxaCore-Dual stands our due to its high compressive strength, and it cuts like dentine. The curing time can be self-determined due to additional light curing. It is possible to apply LuxaCore-Dual directly using the intraoral tips and the endo tips. The paste mixed though the tips applies for cavity for core build ups and build up fillings. The paste undergoes self-polymerization after mixed and can be also be photopolymerized by the light-curing unit. The light curing unit should have an output of 450nm and The light intensity should be a minimum of 400 mW/m². Place the light as close as possible to the material. |
| Performance Standard Conformance | Conformed to ISO 4049 | Conformed to ISO 4049 |
| Biocompatibility | Yes | Yes |
| Use | Prescription / Hospital | Prescription / Hospital |
| Setting time | Intraoral 4 minutes | Intraoral 5 minutes |
| Delivery Forms | Auto mixing of paste A and Paste B | Auto or hand mixing of paste A and Paste B |
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| Sterility | Non-sterile | Non-sterile |
| --- | --- | --- |
## 8.2. Substantial Equivalence Discussion
Dual Core has the same intended use and principle of operation as the predicate device, Luxacore Dual (K012307) by DMG USA, INC. It also possesses similar physical and biocompatible properties, demonstrating comparable performance specifications.
The differences between Dual Core and the predicate device (Luxacore Dual) lie in the scope of indications for use and setting time. However, the predicate device (Luxacore Dual) has a broader scope of indications, and the indications for use of Dual Core are fully encompassed within those of the predicate device. Additionally, the setting times of both devices comply with the requirements of ISO 4049. Therefore, the difference in setting times is not clinically significant.
Bench and biocompatibility tests for Dual Core were conducted in accordance with recognized consensus standards applicable to the international standards (e.g., ISO 4049, ISO 10993), and the CDRH Guidance document (Docket Number: FDA-2020-D-0957). The test results meet the requirements outlined in these normative documents.
Based on the above, it can be concluded that Dual Core is substantially equivalent to the predicate device, Luxacore Dual.
## 9. Conclusion:
Based on the testing results, Vericom Co., Ltd. concludes that the Dual Core is substantially equivalent to the predicate devices.
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Learn the FDA Browser
Two short videos show you everything — or skip straight to the written tutorial if you'd rather read. You can reopen this any time from the Tutorial button in the top bar.
Part 1 — Search, results, and everyday workflows 16 min
Part 2 — Embeddings: the galaxy map 3 min
1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
How do you verify an AI chat answer on the device detail page?
Click the citation bubbles to jump to the relevant highlight in the source document.
Reading rule for every project: how many summaries do you read in full?
At least the three most relevant 510(k) or De Novo summaries, in full. After that, use targeted chat questions to confirm your memory quickly. The tool supports this professional habit — it doesn't replace it.
5. Side-by-side comparison
Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
6. Collections
With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
How do you save a set of selected devices for later use?
Select the rows, go to the Collections tab, and create a labeled collection (e.g., "Cobb Angle Project"). You can reload the selection anytime and carry it into the PDF viewer and other tabs that support selections.
7. Product codes and the regulations tree
Click a product code in the results to jump to it in the regulations tree — identification text, sibling product codes, and devices you can open in a PDF viewer on the right. Click a regulation number to see its identification, special controls, and related product codes. You can also search by product code or regulation number at the top of the tree. Always read the special controls if any exist for your device — it broadens your search and sharpens pre-kickoff research.
What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
8. Chart view
Click Show Chart and segment by regulation number (or product code) to see which regulations dominate your result set. Clicking a regulation takes you into the regulations tree. Great for spotting that most matches are, say, hardware laparoscopic devices — a cue to go back and filter.
How do you see which regulations dominate a search result set?
Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
9. The predicate graph
Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
In the predicate graph, why are commonly predicated devices worth reading?
A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
10. Embeddings: the galaxy map
The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.