TPH Spectra® + Universal Composite Restorative is indicated for direct or indirect replacement of missing or deficient tooth structure in primary and permanent anterior and posterior teeth, e.g., 1. Direct anterior and posterior restorations (including occlusal surfaces) 2. Core build-ups 3. Splinting 4. Indirect restorations including inlays, onlays
Device Story
Visible light-cured, radiopaque, methacrylate-based composite restorative; used for anterior/posterior tooth restoration and reshaping. Input: composite material dispensed via multi-use syringes or pre-dosed Compules® Tips (using DENTSPLY Compules® Tips Gun). Operation: clinician applies material to tooth following adhesive/cement bonding; light-cured to harden. Output: permanent dental restoration. Benefit: high strength, low wear, and aesthetic tooth-like shade/fluorescence for functional/cosmetic repair. Used in dental clinics by dentists.
Clinical Evidence
No clinical performance data was submitted. Evidence consists of in-vitro bench testing including radiopacity, fracture toughness, fluorescence, depth of cure, flexural strength/modulus, water sorption/solubility, localized wear loss, and sensitivity to ambient light, evaluated against ISO 4049:2009 and internal standards.
Technological Characteristics
Methacrylate-based resin, photo initiator, silanated inorganic filler, and pigments. Visible light-cured. Radiopaque. Packaged in syringes or Compules® Tips. Complies with ISO 4049:2009 (Dentistry - Polymer-based restorative) and ISO 10993-1/ISO 7405 for biocompatibility.
Indications for Use
Indicated for direct or indirect replacement of missing or deficient tooth structure in primary and permanent anterior and posterior teeth, including direct restorations, core build-ups, splinting, and indirect restorations (inlays, onlays).
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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Image /page/0/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo consists of a circular seal with the text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" arranged around the perimeter. Inside the circle is an abstract symbol resembling an eagle or bird in flight, composed of three stylized human profiles facing to the right.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
September 27, 2016
Dentsply Sirona Helen Lewis Director Corporate Regulatory Affairs 221 W Philadelphia St, Suite 60 York, Pennsylvania 17404
Re: K162107
Trade/Device Name: Tph Spectra+ Universal Composite Restorative Regulation Number: 21 CFR 872.3690 Regulation Name: Tooth Shade Resin Material Regulatory Class: Class II Product Code: EBF Dated: July 28, 2016 Received: July 29, 2016
Dear Helen Lewis:
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 (reporting of medical devicerelated adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in the quality systems (QS) 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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If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm. 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 the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely,
Image /page/1/Picture/7 description: The image shows a signature that reads "Susan Runno DDS, MA". The signature is written in cursive with a black ink. The letters are connected and flow smoothly together.
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)
Device Name
TPH Spectra® + Universal Composite Restorative
Indications for Use (Describe)
TPH Spectra® + Universal Composite Restorative is indirect replacement of missing or deficient tooth structure in primary and permanent anterior and posterior teeth, e.g.,
1. Direct anterior and posterior restorations (including occlusal surfaces)
- 2. Core build-ups
- 3. Splinting
- 4. Indirect restorations including inlays, onlays
Type of Use (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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Dentsply Sirona 221 West Philadelphia Street Suite 60 York, PA 17404
Image /page/3/Picture/1 description: The image shows the Dentsply Sirona logo. The logo consists of a stylized leaf-like shape on the left and the words "Dentsply Sirona" on the right. The leaf shape is gray, and the text is a darker gray. The text is stacked, with "Dentsply" on top of "Sirona".
#### 510(k) SUMMARY for TPH Spectra® + Universal Composite Restorative
Submitter Information:
Dentsply Sirona 221 West Philadelphia Street Suite 60 York, PA 17404
| Contact Person: | Helen Lewis |
|-------------------|--------------|
| Telephone Number: | 717-487-1332 |
| Fax Number: | 717-849-4343 |
Date Prepared: July 28, 2016
## Device Name:
- Proprietary Name: ●
- . Classification Name:
- CFR Number: .
- Device Class: .
- Product Code: ●
Predicate Device:
TPH Spectra® + Universal Composite Restorative Tooth Shade Resin Material 872.3690 II EBF
| Predicate Device Name | 510(k) | Company Name |
|---------------------------------------------|---------|--------------|
| Filtek™ Supreme Ultra Universal Restorative | K083610 | 3M ESPE |
## Description of Device:
TPH Spectra® + Universal Composite Restorative is a visible light cured, radiopaque, composite restorative for anterior and posterior restorations and cosmetic and functional reshaping of primary and permanent teeth. The new device contains methacrylate-based resin, photo initiator, silanated inorganic filler and pigments. Available shades include opaque dentin shades, regular body shades and translucent enamel shades. This restorative provides high strength and low wear for durability.
TPH Spectra® + Universal Composite Restorative is applied to the tooth following use of a methacrylate-based dental adhesive and/or a cement, such as manufactured by DENSTPLY, which permanently bonds the restoration to the tooth structure.
TPH Spectra® + Universal Composite Restorative is packaged in traditional multi-use syringes, for outside-the-mouth dispensing onto a mixing pad, and in pre-dosed Compules® Tips for intraoral dispensing. The restorative composite in Compules® Tips is dispensed using a DENTSPLY Compules® Tips Gun.
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## Indications for Use:
TPH Spectra® + Universal Composite Restorative is indicated for direct or indirect replacement of missing or deficient tooth structure in primary and permanent anterior and posterior teeth, e.g.,
- 1. Direct anterior and posterior restorations (including occlusal surfaces)
- 2. Core build-ups
- 3. Splinting
- 4. Indirect restorations including inlays, onlays
#### Substantial Equivalence:
## Technological Characteristics:
Information provided in this 510(k) submission shows that TPH Spectra® + Universal Composite Restorative supports substantial equivalence when compared to the predicate device, Filtek "" Supreme Ultra Universal Restorative (K083610) in terms of intended use, indications for use, composition, physical properties and technological characteristics.
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| Element | Predicate Device<br>Filtek™ Supreme Ultra Universal Restorative | Proposed Device<br>TPH Spectra® + Universal Composite<br>Restorative | Difference |
|-----------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 510(k) | K083610 | To be assigned | |
| Indications<br>for use | Direct anterior and posterior restorations<br>• (including occlusal surfaces)<br>• Core build-ups<br>• Splinting<br>• Indirect restorations including inlays,<br>onlays and veneers | Direct or indirect replacement of missing<br>or deficient tooth structure in primary and<br>permanent anterior and posterior teeth,<br>e.g.<br>1. Direct anterior and posterior<br>restorations (including occlusal<br>surfaces)<br>2. Core build-ups<br>3. Splinting<br>4. Indirect restorations including inlays,<br>onlays and veneers | "Direct or indirect replacement of<br>missing or deficient tooth structure<br>in primary and permanent anterior<br>and posterior teeth" is a description<br>of the indications in general.<br>Indications of the proposed device<br>are the same as the predicate device.<br>According to ISO 4049, the physical<br>property data support that the<br>proposed device meets the<br>requirements primarily for the direct<br>and indirect restorations. |
| Composition<br>of Materials | Methacrylate-based resin, photo initiator,<br>fillers and pigments. | Methacrylate-based resin, photo initiator,<br>fillers and pigments. | Chemically similar to the predicate<br>device. |
| Physical<br>Properties | Radiopacity: 2.10 (0.0) mmAl<br>Fracture Toughness: $1.64 (0.09) MPa.m^{1/2}$<br>Fluorescence: similar to a natural tooth.<br>Depth of Cure: 2.60 (0.02) mm<br>Flexural Strength: 131 (14) MPa<br>Flexural Modulus: 10.6 (0.6) MPa<br>Water Sorption: 33.1 (2.1) µg/mm³<br>Water Solubility: 1.0 (0.7) µg/mm³<br>Localized Wear Loss: 0.87 (0.24) x10⁻² mm³<br>Sensitivity to Ambient Light: 135 s<br>Shade and Color Stability: Stable/Pass<br>Stain Resistance: 3.30 (1.06) | Radiopacity: 2.23 (0.08) mmAl<br>Fracture Toughness: $1.71 (0.16) MPa.m^{1/2}$<br>Fluorescence: similar to a natural tooth.<br>Depth of Cure: 2.12 (0.02) mm<br>Flexural Strength: 117 (10) MPa<br>Flexural Modulus: 11.6 (0.8) MPa<br>Water Sorption: 19.3 (1.9) µg/mm³<br>Water Solubility: 0 µg/mm³<br>Localized Wear Loss: 0.47 (0.15) x10⁻² mm³<br>Sensitivity to Ambient Light: 180 s<br>Shade and Color Stability: Stable/Pass<br>Stain Resistance: 1.69 (0.25) | Physical property data support<br>substantial equivalence of the<br>proposed device when compared to<br>the predicate device. |
Table 5.1 Similarities and Differences between the proposed and the predicate devices
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## Biocompatibility Testing:
An evaluation of biocompatibility was performed for the TPH Spectra® + Universal Composite Restorative in accordance with ISO 10993-1(Biological Evaluation of Medical Devices- Part1: Evaluation and Testing) and ISO 7405 (Dentistry - Evaluation of Biocompatibility of Medical Devices used in Dentistry). TPH Spectra® + Universal Composite Restorative has been demonstrated as biocompatible for its intended use.
## Physical Properties:
In-vitro bench tests were performed on the TPH Spectra® + Universal Composite Restorative including Radiopacity, Fracture Toughness, Fluorescence, Depth of Cure, Flexural Strength, Flexural Modulus, Water Sorption and Solubility, Localized Wear Loss, and Sensitivity to Ambient Light. The compressive strength was no evaluated due to the unbonded, free standing failure mode of the test which is clinically irrelevant under real clinical situations. The results indicated that the TPH Spectra® + Universal Composite Restorative meets or exceeds the requirements of ISO 4049: 2009 (Dentistry -- Polymer-based restorative ) or DENTSPLY internal standards and supports substantial equivalence when compared to the predicate devices on physical properties.
## Clinical Performance Data:
No clinical performance data was submitted.
## Risk Analysis
The risk analysis of TPH Spectra® + Universal Composite Restorative was conducted by a design Failure Mode and Effects Analysis (FMEA).
As designed, the residual risk of the TPH Spectra® + Universal Composite Restorative is considered acceptable. The benefits of the product are considered to outweigh the risks outlined in the risk analysis.
## Conclusion Regarding Substantial Equivalence:
TPH Spectra® + Universal Composite Restorative is a composite which is intended to be used for anterior and posterior restorations and cosmetic and functional reshaping of primary and permanent teeth. The TPH Spectra® + Universal Composite Restorative has the same intended use, incorporates the same fundamental technology, and has similar indications for use as the predicate Filtek™ Supreme Ultra Universal Restorative cleared under premarket notification K083610. Test data to verify the performance of the TPH Spectra® + Universal Composite Restorative has been provided for Radiopacity, Fracture Toughness, Fluorescence, Depth of Cure, Flexural Strength, Flexural Modulus, Water Sorption and Solubility, Localized Wear Loss, and Sensitivity to Ambient Light.
Combined with the design and intended use comparison with the predicate device, we have determined that the proposed device TPH Spectra® + Universal Composite Restorative supports substantial equivalence when compared to predicate device Filtek™ Supreme Ultra Universal Restorative (K083610).
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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.
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.
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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.
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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.
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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.
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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.
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.