D/SENSE II (GREEN-OR) DENTIN DESENSITIZER

K992629 · Centrix, Inc. · LBH · Oct 22, 1999 · Dental

Device Facts

• Record ID: K992629
• Device Name: D/SENSE II (GREEN-OR) DENTIN DESENSITIZER
• Applicant: Centrix, Inc.
• Product Code: LBH · Dental
• Decision Date: Oct 22, 1999
• Decision: SESE
• Submission Type: Traditional
• Regulation: 21 CFR 872.3260
• Device Class: Class 2
• Attributes: Therapeutic

Intended Use

Desensitizing dentin surfaces by occluding dentin tubules with A mixture of 2 Liquids. Use under crowns And Gridges before cementation, OR for treating cervical Class V erosiono.

Device Story

D/Sense II (Green-Or) is a dental desensitizing agent used by clinicians to treat dentin hypersensitivity. The device consists of two liquid components mixed together and applied to dentin surfaces. The mechanism of action involves the occlusion of dentin tubules to reduce sensitivity. It is applied in a clinical setting by dental professionals. The output is a physical barrier within the tubules, which alleviates patient discomfort associated with exposed dentin.

Clinical Evidence

No clinical data provided; bench testing only.

Technological Characteristics

Two-liquid mixture system designed for chemical occlusion of dentin tubules. Form factor is a liquid-based dental treatment kit. No specific materials, energy sources, or software components described.

Indications for Use

Indicated for patients requiring dentin desensitization, specifically for treatment of cervical Class V erosions or application under crowns and bridges prior to cementation.

Regulatory Classification

Identification

Cavity varnish is a device that consists of a compound intended to coat a prepared cavity of a tooth before insertion of restorative materials. The device is intended to prevent penetration of restorative materials, such as amalgam, into the dentinal tissue.

Special Controls

*Classification.* Class II (special controls). The device, when it is an external cleaning solution, is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 872.9.

Submission Summary (Full Text)

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Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850

OCT 22 1999

Mr. John Discko Executive Vice President Centrix Incorporated 770 River Road Shelton, Connecticut 06484-5458

Re : K992629

> D/Sense® II (Green-Or) Dentin Desensitizer Trade Name: Requlatory Class: II Product Code: LBH Dated: July 26, 1999 Received: July 28, 1999

Dear Mr. Discko:

We have reviewed your Section 510(k) notification of intent to market the device referenced above and we have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to 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, Druq, and Cosmetic Act (Act). You may, therefore, market the device, subject to the general controls provisions The general controls provisions of the Act of the Act. include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration.

If your device is classified (see above) into either class II (Special Controls) or class III (Premarket Approval), it may be subject to such additional controls. Existing major requlations affecting your device can be found in the Code of Federal Requlations, Title 21, Parts 800 to 895. A substantially equivalent determination assumes compliance with the Good Manufacturing Practice for Medical Devices: General (GMP) requlation (21 CFR Part 820) and that, through periodic GMP inspections, the Food and Drug Administration (FDA) will verify such assumptions. Failure to comply with the GMP requlation may result in requlatory action. In addition, FDA may publish further announcements concerning your device in the Federal Register. Please note: this response to your premarket notification submission does not affect any

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Page 2 - Mr. Discko

obligation you might have under sections 531 through 542 of the Act for devices under the Electronic Product Radiation Control provisions, or other Federal laws or regulations.

This letter will allow you to begin marketing your device as described in your 510(k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate device results in a classification for your device and thus, permits your device to proceed to the market.

If you desire specific advice for your device on our labeling regulation (21 CFR Part 801 and additionally 809.10 for in vitro diagnostic devices), please contact the Office of Compliance at [phone]. Additionally, for questions on the promotion and advertising of your device, please contact the Office of Compliance at [phone]. Also, please note the regulation entitled, "Misbranding by reference to
premarket notification" (21 CFR 807.97). Other general information on your responsibilities under the Act may be obtained from the Division of Small Manufacturers Assistance at its toll-free number [phone] or [phone] or at its internet address "http://www.fda.gov/cdrh/dsmamain.html".

Sincerely yours,

Susan Runner

Timothy A. Ulatowski Director Division of Dental, Infection Control and General Hospital Devices Office of Device Evaluation Center for Devices and Radiological Health

Enclosure

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510(k) NUMBER (IF KNOWN): `K992629`
DEVICE NAME: `GREEN-OR Desensitizer`
INDICATIONS FOR USE:
Desensitizing dentin surfaces
by occluding dentin tubules with A
mixture of 2 Liquids. Use under
crowns And Gridges before cementation,
OR for treating cervical Class V
erosiono.

(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED.)

Concurrence of CDRH, Office of Device Evaluation

Prescription Use (Per 21 CFR 801.109)

OR

Over-The-Counter-Use (Optional Format 1-2-96)

Susan Runoor

tal. Int and G 510/k) Numb