Premier's MultiMatch Universal Chameleon Restorative Composite is a nano-hybrid dental restorative intended for direct placement in all cavity classes in anterior and posterior teeth. Additional indications include repair of enamel defects, repair of provisionals and repair of porcelain restorations, minor occlusal build-ups, core build-ups, and incisal abrasions.
Device Story
MultiMatch is a light-cured, radiopaque, resin-based nanohybrid dental restorative composite; used by licensed dental professionals in clinical settings. Input: composite paste dispensed via unit-dose capsule or syringe. Operation: material sculpted into cavity preparation; light-cured (450-480 nm) to initiate polymerization; finished and polished. Output: hard, esthetic, durable tooth-colored restoration. Benefit: provides visual color match to surrounding dentition; restores tooth structure/function.
Clinical Evidence
Bench testing only. Performance data included mechanical strength (flexural/compressive), water sorption/solubility, depth of cure, light sensitivity, radiopacity, polymerization shrinkage, volumetric wear, and color stability per ISO 4049:2009. Biocompatibility testing conducted per ISO 10993-1:2018.
Technological Characteristics
Methacrylate-based resin system with inorganic fillers (nanohybrid). Curing via photo-initiation (450-480 nm). Form factor: unit-dose capsule or syringe. Shelf life: min 24 months. Biocompatibility: ISO 10993-1:2018. Mechanical properties: 2mm depth of cure.
Indications for Use
Indicated for patients of any age requiring restoration or repair of teeth, including all cavity classes in anterior and posterior teeth, enamel defects, provisionals, porcelain restorations, minor occlusal build-ups, core build-ups, and incisal abrasions.
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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December 6, 2022
Premier Dental Products Company % Prithul Bom Most Responsible Person Regulatory Technology Services, LLC 1000 Westgate Drive, Suite 510k Saint Paul, Minnesota 55114
Re: K223632
Trade/Device Name: Premier's MultiMatch Universal Chameleon Restorative Composite Regulation Number: 21 CFR 872.3690 Regulation Name: Tooth shade resin material Regulatory Class: Class II Product Code: EBF Dated: December 3, 2022 Received: December 5, 2022
Dear Prithul Bom:
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 (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 located 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.
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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 of medical device-related adverse events) (21 CFR 803) for devices or postmarketing safety reporting (21 CFR 4, Subpart B) for combination products (see https://www.fda.gov/combination-products/guidance-regulatory-information/postmarketing-safety-reportingcombination-products); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 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-device-safety/medical-device-reportingmdr-how-report-medical-device-problems.
For comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medicaldevices/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-device-advice-comprehensive-regulatoryassistance/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, M.ChE. 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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### DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration Indications for Use
510(k) Number (if known)
K223632
Device Name
Premier's MultiMatch Universal Chameleon Restorative Composite
Indications for Use (Describe)
Premier's MultiMatch Universal Chameleon Restorative Composite is a nano-hybrid dental restorative intended for direct placement in all cavity classes in anterior teeth. Additional indications include repair of enamel defects, repair of provisionals, and repair of porcelain restorations, minor occlusal build-ups, and incisal abrasions.
Type of Use (Select one or both, as applicable)
図 Prescription Use (Part 21 CFR 801 Subpart D) □ Over-The-Counter Use (21 CFR 801 Subpart C)
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# K223632
## 510(k) SUMMARY
## Premier Dental's MultiMatch Universal Chameleon Restorative Composite
#### Submitter Information
Premier Dental Products Company 1710 Romano Drive Plymouth Meeting, PA 19462
Contact Person: Jessica Huang, Director of Quality/Regulatory
Phone: 610-239-6069 Facsimile: 610-239-6171
Date Prepared: November 29, 2022
Name of Device: Premier's MultiMatch Universal Chameleon Restorative Composite Common or Usual Name: Tooth Shade Resin Material Review Panel: Division of Dental and ENT Devices (DHT1B)
Classification Name: Material, Tooth Shade, Resin Requlatory Class: 2 Product Code: EBF Regulation Number: 21 CFR §872.3690
#### Predicate Devices
P1145 Dental Restorative (K162257) Trade Name: SimpliShade
#### Device Description
Premier's MultiMatch Universal Chameleon Restorative Composite is a light-cured, radiopaque, resin-based nanohybrid restorative composite. It is formulated for direct placement in any type of anterior and posterior cavity form. It is intended to be used with a dental bonding agent and can be sculpted prior to curing. Once light cured, the composite can be easily finished and polished to achieve a highly esthetic and durable restoration. Available in three chameleon shades, MultiMatch can be dispensed via a unit-dose capsule or syringe to provide a restoration with an excellent visual color match to the surrounding dentition.
#### Intended Use / Indications for Use
Premier's MultiMatch Universal Chameleon Restorative Composite has the following indications for use:
Premier Multimatch Universal Chameleon Restorative Composite is a nano-hybrid dental restorative intended for direct placement in all cavity classes in anterior and posterior teeth.
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Additional indications include repair of enamel defects, repair of provisionals and repair of porcelain restorations, minor occlusal build-ups, core build-ups, and incisal abrasions.
# Summary of Technological Characteristics
Premier's MultiMatch is substantially equivalent to the predicate device, P1145 (K162257), known by Trade Name SimpliShade in terms of indications for use, composition, physical properties, and technological characteristics. Both the subject device and the predicate device are methacrylate-based resin system containing solid filler-particles to form a highly viscous paste which can be applied into a restoration preparation.
The universal dental restoratives in the predicate and subject device are both formulated with methacrylate properties of resin and fillers to undergo light-induced polymerization to form a hard composite that is bonded to the tooth structure with a permanent dental adhesive. The composite is designed to have high mechanical strength and durability while maintaining excellent handling and esthetic characteristics.
Premier's MultiMatch formulation has been modified from the predicates to improve physical properties of mechanical strength, color stability, and reduced polymerization shrinkage.
| | P1145 SimpliShade (KAVO Kerr) | Premier's MultiMatch Universal<br>Chameleon Restorative Composite<br>(Subject Device) |
|-----------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 510K number | K162257 | To be assigned |
| Trade Name | SimpliShade | MultiMatch |
| Target Users | Licensed Dental Professionals | Licensed Dental Professionals |
| Device<br>Description | P1145 is a light-cured, esthetic, resin<br>based nanohybrid dental restorative<br>designed for direct placement in both<br>anterior and posterior restorations. It<br>is<br>designed to be used after placement<br>of a dental adhesive. Once placed,<br>the composite can be easily sculpted<br>to the desired shape, and after curing,<br>can easily be finished and polished to<br>achieve a highly esthetic restoration. | Premier's Multimatch Universal<br>Chameleon Restorative Composite is<br>a light-cured, radiopaque, resin-based<br>nanohybrid restorative composite. It is<br>formulated for direct placement in any<br>type of anterior and posterior cavity<br>form. It is intended to be used with a<br>dental bonding agent and can be<br>sculpted prior to curing. Once light<br>cured, the composite can be easily<br>finished and polished to achieve a<br>highly esthetic and durable<br>restoration. Available in three<br>chameleon shades, MultiMatch can<br>be dispensed via a unit-dose capsule<br>or syringe to provide a restoration with<br>an excellent visual color match to the<br>surrounding dentition. |
A table comparing the key features of the subject and predicate devices is provided below.
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| Classification<br>Name | Tooth Shade Resin Material | Tooth Shade Resin Material |
|--------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Class | 2 | 2 |
| Product Code | EBF | EBF |
| Intended Use | Dental Restorative | Dental Restorative |
| Indications for<br>Use | P1145, a nano-hybrid dental<br>restorative, is indicated for direct<br>placement in all cavity classes in<br>anterior and posterior teeth. Additional<br>indication include: repair of enamel<br>defects, repair of provisionals, repair<br>of porcelain restorations, minor<br>occlusal build-ups and incisal<br>abrasions. | Premier MultiMatch Universal<br>Chameleon Restorative Composite is<br>a nano-hybrid dental restorative<br>intended for direct placement in all<br>cavity classes in anterior and<br>posterior teeth. Additional indications<br>include repair of enamel defects,<br>repair of provisionals and repair of<br>porcelain restorations, minor occlusal<br>build-ups, core build-ups, and incisal<br>abrasions |
| Intended Patient<br>Population | Any age patient requiring restoration<br>or repair of teeth. | Any age patient requiring restoration<br>or repair of teeth. |
| Curing<br>Mechanism | Photo-initiation | Photo-initiation |
| Storage | Store at Room Temperature | Store at Room Temperature |
| Composition | Bis-GMA<br>TEGDMA<br>Inorganic Filler<br>Photo- initiator | Bis-GMA<br>TEGDMA<br>Inorganic Filler<br>Photo- initiator |
| Material<br>Compatibility | Meets Biocompatibility Requirements | Meets Biocompatibility Requirements |
| Shelf Life | Min 24 months based on accelerated<br>data | Min 24 months based on accelerated<br>data |
| Particle Size<br>Distribution | Nanohybrid:<br>nano and non-nano particle<br>sizes of filler ranging from 0.04 to 6<br>μm | Nanohybrid:<br>Proprietary formulation of<br>nano and non-nano particle<br>sizes of filler ranging from 0.7 to 5 μm |
| Light Intensity<br>for Curing -<br>Halogen | 650-1000 mW/cm² | 650-1000 or Below 1000 mW/cm² |
| Light Intensity<br>for Curing – LED | >1000 mW/cm² | 1100 - 1300 or above 1000 mW/cm² |
| Wavelength for<br>Curing | 450-480 nm | 450-480 nm |
| Depth of Cure | 2mm | 2mm |
| Curing Time | Halogen - 40 seconds (dark shade)<br>Halogen – 20 seconds (light medium<br>and white shade)<br>LED - 20 seconds (dark shade)<br>LED - 10 seconds (light medium and<br>white shade | Minimum of 20 seconds |
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## Non Clinical Performance Data
Non-clinical performance data included testing for mechanical strength (flexural strength, compressive strength), water sorption and solubility, depth of cure, light sensitivity, radiopacity, polymerization shrinkage, volumetric wear, and color stability according to ISO 4049:2009. Working time and gloss were also performed. Biocompatibility testing was also conducted according to ISO 10993-1:2018. The data analyzed from the various tests substantiate that MultiMatch is safe and effective as the predicate P1145 (K162257).
# Conclusions
Premier's Multimatch Universal Chameleon Restorative Composite is as safe and effective as the identified predicate device. Premiers MultiMatch has the same intended uses and similar indications, technological characteristics, and principles of operation as its predicate device. In addition, the minor technological differences between Premier's Multimatch and its predicate devices raise no new issues of safety or effectiveness. Non-Clinical Performance data demonstrate that Premier's Multimatch is as safe and effective as Kerr's P1145 (K162257), known by Trade Name SimpliShade. Thus, Premier's Multimatch is substantially equivalent.
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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.
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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.
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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.
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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.
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Reading rule for every project: how many summaries do you read in full?
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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.
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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.
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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.
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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.