The Figaro Preformed Dental Crown is intended for restoration of permanent teeth with a single unit crown.
Device Story
Preformed resin crown for permanent restoration of adult teeth; restores size, strength, chewing ability, and appearance. Input: patient tooth anatomy; device selection based on dentist sizing. Operation: crown cemented to tooth using standard adhesion techniques; fully encases tooth portion above gum line. Used in dental clinics by licensed professionals (DDS/DMD). Benefits: provides single-visit restoration without requiring additional uncured custom layers. Output: physical crown restoration.
Clinical Evidence
Bench testing only. Tests included flexural strength, flexural modulus, tensile strength, tensile modulus, and Charpy index to demonstrate performance within specifications.
Technological Characteristics
Heat-cured polymer composite resin reinforced with fiberglass; contains Titanium Dioxide and Yellow Iron oxide. Provided non-sterile for single use. Meets ISO 10993 biocompatibility requirements.
Indications for Use
Indicated for restoration of permanent adult teeth with a single unit crown. No contraindications.
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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Figaro Crowns, Inc. Kyle Rose Quality Manager 1628 Ouail Ridge Circle Woodbury, Minnesota 55125 July 3, 2018
#### Re: K172952
Trade/Device Name: Figaro Crowns Anterior Crown Kit, Figaro Crowns Posterior Crown Kit Regulation Number: 21 CFR 872.3690 Regulation Name: Tooth Shade Resin Material Regulatory Class: Class II Product Code: EBF Dated: March 30, 2018 Received: April 3, 2018
Dear Kyle Rose:
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. 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.
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); good manufacturing practice requirements as set forth in the quality systems (OS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
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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 http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm.
For comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice
(https://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/) and CDRH Learn (http://www.fda.gov/Training/CDRHLearn). 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 (http://www.fda.gov/DICE) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
# Mary S. Runner -S
For
Tina Kiang, Ph.D. Acting Director Division of Anesthesiology, General Hospital, Respiratory, Infection Control, and Dental Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K172952
#### Device Name
Figaro Crowns Anterior Crown Kit Figaro Crowns Posterior Crown Kit
Indications for Use (Describe)
The Figaro Preformed Dental Crown is intended for restoration of permanent teeth with a single unit crown.
| Type of Use (Select one or both, as applicable) | |
|------------------------------------------------------------------------------------------------------------------------------------------|--|
| <div style="display:flex; align-items:center;"> <input checked="" type="checkbox"/>Prescription Use (Part 81 CFR 201 Subpart D) </div> | |
| <div style="display:flex; align-items:center;"> <input type="checkbox"/>Over-The-Counter Use (81 CFR 201 Subpart C) </div> | |
> Prescription Use (Part 21 CFR 801 Subpart D)
| | Over-The-Counter Use (21 CFR 801 Subpart C)
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5. 510(k) Summary K172952
Date of Preparation: 30-Mar-2018
# Attn:
Figaro Crowns, Inc.
1628 Quail Ridge Circle
Woodbury, MN USA 55125
%Kyle Rose
Tel: 404.717.9358
Email: rookqualitysytems@gmail.com
Official Contact: Kyle Rose Quality Manager
### Trade Name:
Figaro Crowns Anterior Crown Kit
Figaro Crowns Posterior Crown Kit
Common Name: Dental material, filling/restorative, polymer based
Classification Name: Tooth Shade Resin Material
Classification Regulations: 21 CFR 872.3690
Product Code EBF
Classification: Class II
Predicate Device: K143694 Rhondium One-Visit-Crown (OVC)
### Device Description:
The Figaro Crown is a permanent preformed resin crown used on adult patients. The crown is designed for permanent (>30 days) tooth restoration to restore, size, strength, chewing ability and for to improve appearance. The preformed crowns are manufactured to specific sizes for improved fit. The crowns go through a finishing
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Image /page/4/Picture/0 description: The image shows the logo for Figaro Crowns. The logo features a green mountain range with three peaks, with a blue line forming the shape of a tooth above the mountains. Below the mountain range, the word "FIGARO" is written in a serif font, and below that, the word "CROWNS" is written in a sans-serif font.
process and are not intended to the manipulated by the dentist. Sizing is exclusively determined by the dentist for each crown and patient. The crown is secured to the patient's mouth with standard adhesion techniques. Once the crown is cemented in place it should fully encase the portion of the tooth that lies above the gum line. The Figaro Preformed crown is made of layers fiberglass held together by epoxy resin. Small amounts of Titanium Dioxide and Yellow Iron oxide are added for cosmetic affect.
The crowns are designed for the following designs, Canine, Upper Premolar, Upper Molar, Lower Premolar, Lower Molar. The crowns are provided in one size.
### Indications for Use:
The Figaro Crowns are intended for restoration of permanent adult teeth with a single unit crown.
#### Environment of Use:
The Figaro Crowns are available for prescription only and intended to be used by a licensed dental professional such as DDS or DMD. Not for use by the general public or OTC.
#### Contradictions: None
### Substantial Equivalence Discussion of Comparison to Predicates:
The Figaro Crowns are viewed as substantially equivalent to the predicate device based on the equivalencies listed below.
#### Indications-
The indication for use is identical to the predicate K143694 Rhondium One-Visit-Crown (OVC).
#### Technology-
The technology used to create the preformed resin crown is similar to the predicate. The Figaro Crown does not require any additional uncured custom layers and therefore poses less risk that the predicate.
#### Materials-
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Image /page/5/Picture/0 description: The image shows a logo for "Figaro Crowns". The logo features a green mountain range with three peaks, overlaid by a blue, stylized tooth shape. Below the mountain range, the word "FIGARO" is written in a bold, serif font. Underneath "FIGARO", the word "CROWNS" is written in a smaller, green, sans-serif font.
The materials are similar cured resins that have been found to meet ISO 10993 requirements and thus can be substantially equivalent to the safety of the predicate.
| | Figaro Crowns Preformed | Rhondium One-Visit-Crown |
|-----------------------|----------------------------|----------------------------------|
| Comparison | Dental Crown | (OVC) |
| | Preformed single tooth | |
| | crown for one visit | Preformed single tooth crown |
| Crown Description | restoration | for one visit restoration |
| | Adult Canine, Upper | |
| | Premolar, Upper Molar, | |
| | Lower Premolar, Lower | Upper and lower canines, |
| Teeth to be restored | Molar. | premolars, and molars |
| | | N=8 designs : |
| | N=5 designs: | Upper Premolar, Upper Molar, |
| | Canine, Upper Premolar, | Lower Premolar, |
| | Upper Molar, Lower | Lower Molar |
| Specific crown design | Premolar, Lower Molar. | Each in Left and Right designs |
| | Each design provided in 1 | Each design provided in 6 sizes: |
| Crown Sizes | size | XS, S, M, L, XL, XXL |
| | Heat cured polymer | |
| | composite resin reinforced | Light-cured polymer composite |
| Crown material | with fiberglass | resin |
# Non-clinical Performance Testing:
We have performed a number of bench tests to demonstrate the Figaro Crowns perform with in the specifications. These tests included:
- Flexural Strength ●
- Flexural Modulus .
- Tensile Strength ●
- Tensile Modulus ●
- Charpy Index ●
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# Substantial Equivalence Conclusion
The Figaro Crowns and the predicate device have similar indications for use and intended use and provide a similar range of designs and sizes for restoration. Both devices are provided nonsterile for single use only.
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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.
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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.
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.
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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.
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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.
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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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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.