Pavati Z40.2 Zirconia

K160867 · Ccri, Inc. · EIH · Sep 12, 2016 · Dental

Device Facts

• Record ID: K160867
• Device Name: Pavati Z40.2 Zirconia
• Applicant: Ccri, Inc.
• Product Code: EIH · Dental
• Decision Date: Sep 12, 2016
• Decision: SESE
• Submission Type: Traditional
• Regulation: 21 CFR 872.6660
• Device Class: Class 2

Intended Use

Pavati® Z40.2 Zirconia blanks are in prosthetic dentistry to create porcelain (ceramic) prostheses (crowns and bridges) in the anterior/ posterior applications. Pavati® Zirconia blanks are intended to be milled and fully sintered by Dental Professional or Dental Laboratory before use.

Device Story

Pavati Z40.2 Zirconia blanks are yttria-stabilized tetragonal zirconia (Y-TZP) ceramic discs/blocks. Dental laboratories use CAD/CAM systems to mill blanks based on patient tooth anatomy; milled restorations are then fully sintered and colored as needed before installation by dental professionals. Device serves as raw material for custom dental prostheses; provides biocompatible, high-strength ceramic structure for crowns and bridges. Benefits include restoration of dental function and aesthetics. Used in dental laboratory settings; operated by dental technicians/professionals.

Clinical Evidence

Bench testing only. No clinical data. Performance validated via mechanical testing including sintered density, thermal expansion, bending strength, fracture toughness, grain size, and chemical solubility per ISO 6872:2015 and ISO 13356:2015. Biocompatibility established per ISO 10993-1.

Technological Characteristics

Material: Yttria-stabilized tetragonal zirconia (Y-TZP). Composition: ZrO2+HfO2+Y2O3+Al2O3 > 99.9%. Form factor: Discs and blocks of various sizes. Manufacturing: Compression of ZrO2 powder with organic binder, partial sintering. Standards: ISO 6872:2015 (Ceramic Materials), ISO 13356:2015 (Implants for surgery), ISO 10993-1 (Biocompatibility).

Indications for Use

Indicated for use by dental professionals or laboratories to create porcelain (ceramic) crowns and bridges in anterior/posterior applications. Contraindicated for restorations >3 units in length and 3-unit prostheses involving molar restorations.

Regulatory Classification

Identification

Porcelain powder for clinical use is a device consisting of a mixture of kaolin, felspar, quartz, or other substances intended for use in the production of artificial teeth in fixed or removable dentures, of jacket crowns, facings, and veneers. The device is used in prosthetic dentistry by heating the powder mixture to a high temperature in an oven to produce a hard prosthesis with a glass-like finish.

Predicate Devices

• Prismatik Dentalcraft BruxZir Anterior Milling Blanks (K150872)
• Prismatik Dentalcraft BruxZir Anterior (K143330)

Submission Summary (Full Text)

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Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002

September 12, 2016

Ccri, Inc. Robin Carden President 1319 Calle Avanzado San Clemente, California 92673

Re: K160867

Trade/Device Name: Pavati Z40.2 Zirconia Regulation Number: 21 CFR 872.6660 Regulation Name: Porcelain Powder For Clinical Use Regulatory Class: Class II Product Code: EIH Dated: August 10, 2016 Received: August 11, 2016

Dear Robin Carden:

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 [phone] or [phone] 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 [phone] or [phone] or at its Internet address

http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.

Sincerely yours,

Susan Runn, DDS, MA

Erin I. Keith, M.S. 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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| DEPARTMENT OF HEALTH AND HUMAN SERVICES | |
|-----------------------------------------|--|
| Food and Drug Administration | |

## Indications for Use

Form Approved: OMB No. 0910-0120 Expiration Date: January 31, 2017 See PRA Statement below.

510(k) Number (if known) K160867

Device Name Pavati® Z40.2

Pavati® 240.2

Indications for Use (Describe)

Pavati® Z40.2 Zirconia blanks are in prosthetic dentistry to create porcelain (ceramic) prostheses (crowns and bridges) in the anterior/ posterior applications.

Pavati® Zirconia blanks are intended to be milled and fully sintered by Dental Professional or Dental Laboratory before use.

| > Prescription Use (Part 21 CFR 801 Subpart D) | | Over-The-Counter Use (21 CFR 801 Subpart C) | |
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# 510(k) Summary

## for CCRI, Inc.

## Pavati® Z40.2 Zirconia

#### 1. Submitter

CCRI, Inc. 1319 Calle Avanzado San Clemente, CA 92673 USA

### Primary Contact Person:

Robin Carden President Telephone: [phone]

### Secondary Contact Person:

Marilyn Pourazar RA/QA Consultant Telephone: [phone]

Date prepared: 21 March 2016

Date revised: 07 September 2016

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#### 2. Device Name

| Proprietary Name: | Pavati® Z40.2 Zirconia |
|------------------------|-----------------------------------|
| Common/Usual Name: | Powder, Porcelain |
| Classification Name: | Porcelain powder for clinical use |
| Submission Number: | K160867 |
| Regulation Number: | 21 CFR872.6600 |
| Product Code: | EIH |
| Device Classification: | Class II |

#### 3. Predicate Devices

- Prismatik Dentalcraft BruxZir Anterior Milling Blanks-K150872 (Primary ● Predicate)
- . Prismatik Dentalcraft BruxZir Anterior-K143330 (Reference Predicate)

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#### 4. Indications for Use

Pavati® Z40.2 Zirconia blanks are indicated for use in prosthetic dentistry to create porcelain (ceramic) prostheses (crowns and bridges) in the anterior/ posterior applications.

Pavati® Z40.2 Zirconia blanks are intended to be milled and fully sintered by Dental Professional or Dental Laboratory before use. Pavati® Z40.2 Zirconia blanks are for "Rx only" and not for use by the general public or sold as "Over- the-Counter".

#### 5. Device Description and Function

Pavati® Z40.2 Zirconia are disc and block shaped dental porcelain zirconia oxide blanks that come in various sizes that are used in custom restorations by the dental laboratory. The dental laboratory will further process the blank by milling the blank based upon the anatomically rendering of the patients teeth (done at the dental office) through "Computer Aided Drafting/ Computer Aided Machining (CAD/CAM). Once the custom rendered blank is milled the product is fully sintered and colored (if required) and fitted to the patients teeth as crowns or bridges.

#### 6. Physical and Performance Characteristics

### Design:

Design considerations included using current dental technology materials (Zirconium oxide) and the same manufacturing processes used throughout the world in fabrication of dental porcelain ceramic blanks. In this submission CCRI, Inc. has combined two similar products, the Prismatik Dentalcraft BruxZir Anterior Milling Blanks-K150872 (Primary Predicate) and the Prismatik Dentalcraft BruxZir Anterior-K143330 (Reference Predicate)

The Zirconia powder is acquired by an approved supplier who is a leader in production of dental ceramic material. This supplier's material is also used by many dental companies in their own formulations. Zirconia ceramic material was chosen based upon its many years of use in dental restorations by dentists, which when used is chemically/biologically practically inert.

Pavati® Z40.2 Zirconia ceramic blanks are produced by using ZrO2 powder which is combined with an organic binder (which is burnt-off during firing) and compressed into various configurations. The compressed blanks are then partially sintered (fired) at high temperatures, tested and packaged. These blanks are then sold to Dental labs or dental professionals with the capability to mill the blanks (typically using CAD/CAM techniques) into a final shape (dental restoration) and fully sintered and

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colored (if required) before patientinstallation.

### Material Used:

Pavati® Z40.2 Zirconia blanks are composed of zirconia ceramics (ZrO>) based on yttria-stabilized tetragonal zirconia (Y-TZP). The material is biocompatible according to ISO 10993-1: "Biological Evaluation of medical devices - Part 1: Evaluation and testing within a risk management process".

### Physical Properties:

Tabulated chart of finished product "Pavati® Z40.2 Zirconia" blanks

| Sintered Density | $\geq 6.00 \text{ g cm}^3$ |
|------------------------------------------|----------------------------|
| Thermal Expansion coefficient (20-500°C) | 10.3 µm/m °C |
| Bending Strength | > 600 MPa |
| Grain size | 0.81 µm |
| Fracture toughness | >2.0 $\text{MPam}^{0.5}$ |

Chemical Properties:

| Component (chemical<br>composition) | Pavati® Z40.2 Zirconia (percentage by wt.) |
|-------------------------------------|--------------------------------------------|
| ZrO2 + HfO2 + Y2O3+Al2O3 | > 99.9 |
| Y2O3 | 9.85% ± .65 |
| Al2O3 | ≤0.1 |
| SiO2 | ≤0.02 |
| Fe2O3 | ≤0.01 |
| Chemical solubility | < 100 µg/cm² |

### Performance standards used:

ISO 6872:2015, "Dentistry - Ceramic Materials"

ISO 13356:2015 "Implants for surgery, Ceramic materials based on yttriastabilized tetragonal zirconia (Y-TZP)".

ISO 10993-1: "Biological evaluation of medical devices –Part 1: Evaluation and testing within a risk management process."

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#### 7. Nonclinical Testing

CCRI performed a series of tests to assess the device. Sintered tests coupled with mechanical bench testing confirmed that the device meets specifications including established international standards and guidance documents. Density, bending strength, fracture toughness, chemical solubility and material characterization/composition of finished product was conducted to confirm that the product is meeting performance goals established by standards. Pavati® Zirconia blanks comply with ISO 6872:2015, "Dentistry – Ceramic materials" and ISO 13356: 2015, "Implants for surgery, Ceramic materials based on yttria-stabilized tetragonal zirconia (Y-TZP)".

#### Comparison to predicate devices (Table below) 8.

Pavati® Z40.2 Zirconia dental porcelain zirconium oxide blanks for use by dental professionals to construct custom dental restorations are substantially similar to the Prismatik Dentalcraft's BruxZir Anterior product lines.

All product testing by CCRI has been done on full sintered product to assure the end user that the performance specifications of the product comply with established consensus standards and are similar to the conditions of ceramic manufacture as the predicate devices.

Both the subject device and the primary predicate device state they are indicate for use by dental professionals. Both the subject device and the primary predicate device are to be used to create prosthesis in the anterior or posterior. ISO 6872:2015 was used to support changes in the technological characteristics in the subject devices vs. the primary predicate device.

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| Deliverables | Prismatik<br>Dentalcraft<br>BruxZir Anterior<br>Milling Blanks-<br>K150872<br>(Primary<br>Predicate) | Prismatik<br>Dentalcraft<br>BruxZir Anterior-<br>K143330<br>(Reference<br>Predicate) | Pavati® Z40.2 Zirconia<br>(Proposed Device) |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Indications for<br>Use | The device is<br>indicated for use by<br>dental technicians in<br>the construction of<br>custom made all<br>ceramic restorations<br>for anterior and<br>posterior locations. | The device is<br>indicated for use by<br>dental technicians in<br>the construction of<br>custom made all<br>ceramic restorations<br>for anterior and<br>posterior locations. | Pavati® Z40.2 Zirconia blanks are<br>indicated for use in prosthetic<br>dentistry to create porcelain (ceramic)<br>prostheses (crowns) in the anterior/<br>posterior applications.<br><br>Pavati™ Zirconia blanks are intended<br>to be milled and fully sintered by<br>Dental Professional or Dental<br>Laboratory before use. Pavati™<br>Zirconia blanks are for "Rx only" and<br>not for use by the general public or<br>sold as "Over-the- Counter. |
| Contraindications | This device is<br>contraindicated for<br>dental restorations<br>greater than 3-units<br>in length. | There are no<br>specific<br>contraindications. | The Device is contraindicated for dental<br>restorations greater than 3-units in length<br>(per ISO 6872:2015 and the same as<br>reference device #1)<br><br>The device is contraindicated for 3 unit<br>prostheses involving molar restorations<br>(per ISO 6872:2015) |
| Technical Data and Performance Testing | | | |
| Material<br>Composition<br>(wt%)<br>ZrO2+HfO2+Y2O3<br>$≥$ 99.0 HfO2: $≤$<br>5 Y2O3: 9.85% ±<br>.65 Al2O3: $≤$ 0.5 | Zirconia Powder | Zirconia Powder | Zirconia Powder |
| Deliverables | Prismatik<br>Dentalcraft<br>BruxZir Anterior<br>Milling Blanks-<br>K150872<br>(Primary<br>Predicate) | Prismatik<br>Dentalcraft<br>BruxZir Anterior-<br>K143330<br>(Reference<br>Predicate) | Pavati® Z40.2 Zirconia<br>(Proposed Device) |
| Other oxides: ≤0.5 | | | |
| According to ISO<br>13356:2015<br>Section 3, Table 1 | | | |
| Freedom from<br>extraneous<br>materials per ISO<br>6872:2015<br>Section 5.2 active<br>conc. of not more<br>than 1.0 Bq g-1 of<br>Uranium238 | Not supplied | Not supplied | Meets ISO Standard |
| Blank sizes (mm) | Not supplied | Not supplied | Block: 65-85 x 40 x 15<br>20-55 x 19 x 15<br>40 x 15 x 15<br>14 x 13 x 15<br>18 x 14.5 x 12.4<br>Near net shapes<br>Disc:<br>95-110 x 12-30 |
| Sintered Density<br>(g/cm3)<br>ISO 13356: 2015<br>Section 3 Table 1<br>Req't. of ≥ 6.00 | Meets ISO Standard | Meets ISO Standard | Meets ISO Standard |
| Deliverables | Prismatik<br>Dentalcraft<br>BruxZir Anterior<br>Milling Blanks-<br>K150872<br>(Primary<br>Predicate) | Prismatik<br>Dentalcraft<br>BruxZir Anterior-<br>K143330<br>(Reference<br>Predicate) | Pavati® Z40.2 Zirconia<br>(Proposed Device) |
| g/cm3 | | | |
| Coefficient of<br>thermal<br>expansion (CTE)<br>ISO 6872: 2015,<br>No req't. report<br>number | Not supplied | Not supplied | Meets ISO Standard |
| Fracture<br>toughness KIC<br>ISO 6872:2015<br>Annex A;<br>minimum for<br>class 3, 2.0 MPa<br>m1/2 | Not supplied | Not supplied | Meets ISO Standard |
| Flexural strength<br>per ISO 6872:<br>2015, Limit >300<br>MPa | Meets ISO Standard | Meets ISO Standard | Meets ISO Standard |
| Chemical<br>solubility per ISO<br>6872:2015<br>< 100 µg/cm2 | Not supplied | Not supplied | Meets ISO Standard |
| Deliverables | Prismatik<br>Dentalcraft<br>BruxZir Anterior<br>Milling Blanks-<br>K150872<br>(Primary<br>Predicate) | Prismatik<br>Dentalcraft<br>BruxZir Anterior-<br>K143330<br>(Reference<br>Predicate) | Pavati® Z40.2 Zirconia<br>(Proposed Device) |
| Grain Size<br>determined per<br>ISO 13356:2015<br>No req't. for grain<br>size | Not supplied | Not supplied | Meets ISO Standard |
| Amount of<br>monoclinic phase<br>shall be<br>determined using<br>X-ray diffraction<br>methods in<br>accordance with<br>ISO 13356:2015,<br>≤20% | Not supplied | Not supplied | Meets ISO Standard |
| Biocompatibility<br>per ISO 10993-1:<br>Part 1 - 'Biological<br>evaluation of<br>medical devices -<br>Part 1: Evaluation<br>and testing within<br>a risk<br>management<br>process." | Biocompatible and<br>Non-toxic | Biocompatible and<br>Non-toxic | Biocompatible and Non-toxic<br>Assured through use of same<br>materials and manufacturing methods<br>as legally marketed predicate devices. |

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#### 9. Conclusion

Pavati® Z40.2 Zirconia blank comparison to the predicate devices, the Prismatik Dentalcraft BruxZir Anterior Milling Blanks-K150872 (Primary Predicate) and the Prismatik Dentalcraft BruxZir Anterior-K143330 (Reference Predicate) is based upon similar characteristics such as: intended use, indications, contra-indications, material properties, chemical composition, processing/fabrication and testing to recognized standards and guidelines. CCRI, Inc. believes that Pavati® Z40.2 blanks are substantially equivalent to these legally marketed predicate devices.