K Number
K250673
Device Name
CERABIEN MiLai
Date Cleared
2025-05-29

(84 days)

Product Code
Regulation Number
872.6660
AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP Authorized
Intended Use
For use in prosthetic dentistry to create an all-ceramic prosthesis. - Ceramic for coverage of a zirconia substructure - Ceramic for coverage of a lithium disilicate substructure [CTE: 9.5~11.0×10-6/K (50-500°C)]
Device Description
CERABIEN MiLai is a specific type of porcelain for dental restorations. The system consists of Powder, Paste and Liquids for powder/paste, to be applied utilizing layering technique and baked onto a ceramic frame of zirconia (ZrO2) or different lithium disilicate glasses.
More Information

Not Found

No.
The device description and performance studies indicate it is a physical dental porcelain material, not a software or hardware device that would typically contain an AI model. There are also no mentions of AI, DNN, or ML.

No.
The device is a type of porcelain used for dental restorations (prosthetics) not for treating diseases or conditions.

No

The device is a type of porcelain used for dental restorations (to create an all-ceramic prosthesis) and is not intended for diagnostic purposes.

No

The device is a physical material (porcelain) used for dental restorations, not a software application. The description explicitly states it consists of "Powder, Paste and Liquids" and is "applied utilizing layering technique and baked onto a ceramic frame." There is no mention of software components.

No.
The device is a dental porcelain used to create all-ceramic prostheses for prosthetic dentistry, not for in vitro diagnostic testing.

N/A

Intended Use / Indications for Use

For use in prosthetic dentistry to create an all-ceramic prosthesis.

  • Ceramic for coverage of a zirconia substructure
  • Ceramic for coverage of a lithium disilicate substructure

Product codes (comma separated list FDA assigned to the subject device)

EIH

Device Description

CERABIEN MiLai is a specific type of porcelain for dental restorations. The system consists of Powder, Paste and Liquids for powder/paste, to be applied utilizing layering technique and baked onto a ceramic frame of zirconia (ZrO2) or different lithium disilicate glasses.

Mentions image processing

Not Found

Mentions AI, DNN, or ML

Not Found

Input Imaging Modality

Not Found

Anatomical Site

Not Found

Indicated Patient Age Range

Not Found

Intended User / Care Setting

Not Found

Description of the training set, sample size, data source, and annotation protocol

Not Found

Description of the test set, sample size, data source, and annotation protocol

Not Found

Summary of Performance Studies (study type, sample size, AUC, MRMC, standalone performance, key results)

Physical and mechanical tests were conducted according to ISO 6872: 2015 and ISO 9693: 2019. As a result, this test confirms that the subject device meets the requirements of ISO 6872: 2015 and ISO 9693: 2019 as well as the primary predicate device, which is important for this submission since ISO 6872 is a recognized consensus standard for the Product Code "EIH," and ISO 9693 is an FDA recognized standard for compatibility testing for ceramic-ceramic systems.

Moreover, to confirm the subject device could be used on different lithium disilicate substrates, which the CTE ranged from 9.5×10-6/K to 11.0×10-6/K, the thermal shocking testing was conducted according to ISO 9693: 2019. As a result, the subject device meets the requirement of thermal shocking testing according to ISO 9693: 2019, and the performance test result of subject device could support the specific indications of the subject device in addition of different lithium disilicate substrates, which the CTE ranged from 9.5×10-6/K to 11.0×10-6/K.

In conclusion, the nonclinical tests results indicate that the device is as safe, as effective, and performs as well as or better than the legally marketed device identified above.

Key Metrics (Sensitivity, Specificity, PPV, NPV, etc.)

Not Found

Predicate Device(s): If the device was cleared using the 510(k) pathway, identify the Predicate Device(s) K/DEN number used to claim substantial equivalence and list them here in a comma separated list exactly as they appear in the text. List the primary predicate first in the list.

K213147, K043462, K170834

Reference Device(s): Identify the Reference Device(s) K/DEN number and list them here in a comma separated list exactly as they appear in the text.

Not Found

Predetermined Change Control Plan (PCCP) - All Relevant Information for the subject device only (e.g. presence / absence, what scope was granted / cleared under the PCCP, any restrictions, etc).

Not Found

§ 872.6660 Porcelain powder for clinical use.

(a)
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.(b)
Classification. Class II.

FDA 510(k) Clearance Letter - CERABIEN MiLai

Page 1

U.S. Food & Drug Administration
10903 New Hampshire Avenue Doc ID # 04017.07.05
Silver Spring, MD 20993
www.fda.gov

May 29, 2025

Kuraray Noritake Dental Inc.
Yasujiro Ohara
General Manager of Quality Assurance Department
Tokiwabashi Tower, 2-6-4, Otemachi
Chiyoda-ku
Tokyo, 100-0004
JAPAN

Re: K250673
Trade/Device Name: CERABIEN MiLai
Regulation Number: 21 CFR 872.6660
Regulation Name: Porcelain Powder For Clinical Use
Regulatory Class: Class II
Product Code: EIH,
Dated: March 6, 2025
Received: March 6, 2025

Dear Yasujiro Ohara:

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.

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K250673 - Yasujiro Ohara 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 System (QS) regulation (21 CFR Part 820), which includes, but is not limited to, 21 CFR 820.30, Design controls; 21 CFR 820.90, Nonconforming product; and 21 CFR 820.100, Corrective and preventive action. Please note that regardless of whether a change requires premarket review, the QS regulation requires device manufacturers to review and approve changes to device design and production (21 CFR 820.30 and 21 CFR 820.70) and document changes and approvals in the device master record (21 CFR 820.181).

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 systems (QS) regulation (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-

Page 3

K250673 - Yasujiro Ohara 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

Page 4

Food and Drug Administration
Indications for Use
Form Approved: OMB No. 0910-0120
Expiration Date: 07/31/2026
See PRA Statement below.

DEPARTMENT OF HEALTH AND HUMAN SERVICES

Submission Number (if known)
K250673
Device Name
CERABIEN MiLai

Indications for Use (Describe)

For use in prosthetic dentistry to create an all-ceramic prosthesis.

  • Ceramic for coverage of a zirconia substructure
  • Ceramic for coverage of a lithium disilicate substructure

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)

CONTINUE ON A SEPARATE PAGE IF NEEDED.

This section applies only to requirements of the Paperwork Reduction Act of 1995.

DO NOT SEND YOUR COMPLETED FORM TO THE PRA STAFF EMAIL ADDRESS BELOW.

The burden time for this collection of information is estimated to average 79 hours per response, including the time to review instructions, search existing data sources, gather and maintain the data needed and complete and review the collection of information. Send comments regarding this burden estimate or any other aspect of this information collection, including suggestions for reducing this burden, to:

Department of Health and Human Services
Food and Drug Administration
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PRAStaff@fda.hhs.gov

"An agency may not conduct or sponsor, and a person is not required to respond to, a collection of information unless it displays a currently valid OMB number."

Page 5

510(k) Summary - K250673 - Prepared on: 2025-03-06

Contact Details

21 CFR 807.92(a)(1)

Applicant NameKuraray Noritake Dental Inc.
Applicant AddressTokiwabashi Tower, 2-6-4, Otemachi Chiyoda-ku Tokyo 100-0004 Japan
Applicant Contact Telephone+81-3-6701-1736
Applicant ContactMr. Yasujiro Ohara
Applicant Contact EmailKnd.Regist@kuraray.com

Device Name

21 CFR 807.92(a)(2)

Device Trade NameCERABIEN MiLai
Common NamePorcelain powder for clinical use
Classification NamePowder, Porcelain
Regulation Number872.6660
Product Code(s)EIH

Legally Marketed Predicate Devices

21 CFR 807.92(a)(3)

Predicate #Predicate Trade Name (Primary Predicate is listed first)Product Code
K213147CERABIEN MiLaiEIH
K043462CZR PRESS LFEIH
K170834CERABIEN ZREIH

Device Description Summary

21 CFR 807.92(a)(4)

CERABIEN MiLai is a specific type of porcelain for dental restorations. The system consists of Powder, Paste and Liquids for powder/paste, to be applied utilizing layering technique and baked onto a ceramic frame of zirconia (ZrO2) or different lithium disilicate glasses.

Intended Use/Indications for Use

21 CFR 807.92(a)(5)

For use in prosthetic dentistry to create an all-ceramic prosthesis.

  • Ceramic for coverage of a zirconia substructure
  • Ceramic for coverage of a lithium disilicate substructure
    [CTE: 9.5~11.0×10-6/K (50-500°C)]

Indications for Use Comparison

21 CFR 807.92(a)(5)

Page 6

Although the coefficient of thermal expansion (CTE) of the subject device and the primary predicate device is slightly different, both the subject device and the primary predicate device are designed to be applied utilizing layering technique and baked onto a ceramic frame of zirconia (ZrO2) or lithium disilicate glass (Li2O5Si2). Moreover, except for the coefficient of thermal expansion (CTE), the Indications for use of the subject device and the primary predicate device is the same. Regarding the range of the coefficient of thermal expansion (CTE), we evaluated the thermal shocking testing with different lithium disilicate substrates, which the CTE ranged from 9.5×10-6/K to 11.0×10-6/K. As a result, it was confirmed that the subject device met the requirement of thermal shocking testing according to ISO 9693: 2019, and the performance test result of subject device could support the specific indications of the subject device in addition of different lithium disilicate substrates, which the CTE ranged from 9.5×10-6/K to 11.0×10-6/K. Therefore, it was concluded that the Indications for use of the subject device is substantially equivalent to that of the primary predicate device.

Technological Comparison

21 CFR 807.92(a)(6)

The performance tests are conducted to confirm the conformity of the standards. And it was also evaluated that physical properties of the subject device are substantially equivalent to those of the primary predicate device.

The results indicated that the subject device met the requirements of ISO 6872: 2015 and ISO 9693: 2019 as well as the primary predicate device, which is important for this submission since ISO 6872 is a recognized consensus standard for the Product Code "EIH," and ISO 9693 is an FDA recognized standard for compatibility testing for ceramic-ceramic systems.

Non-Clinical and/or Clinical Tests Summary & Conclusions

21 CFR 807.92(b)

Physical and mechanical tests were conducted according to ISO 6872: 2015 and ISO 9693: 2019. As a result, this test confirms that the subject device meets the requirements of ISO 6872: 2015 and ISO 9693: 2019 as well as the primary predicate device, which is important for this submission since ISO 6872 is a recognized consensus standard for the Product Code "EIH," and ISO 9693 is an FDA recognized standard for compatibility testing for ceramic-ceramic systems.

Moreover, to confirm the subject device could be used on different lithium disilicate substrates, which the CTE ranged from 9.5×10-6/K to 11.0×10-6/K, the thermal shocking testing was conducted according to ISO 9693: 2019. As a result, the subject device meets the requirement of thermal shocking testing according to ISO 9693: 2019, and the performance test result of subject device could support the specific indications of the subject device in addition of different lithium disilicate substrates, which the CTE ranged from 9.5×10-6/K to 11.0×10-6/K.

FDA recognized consensus standards

  • ISO 6872: 2015; FR Recognition Number 4-251
  • ISO 9693: 2019; FR Recognition Number 4-263

Not Applicable

In conclusion, the nonclinical tests results indicate that the device is as safe, as effective, and performs as well as or better than the legally marketed device identified above.