← Product Code [EFA](/submissions/DE/subpart-e%E2%80%94surgical-devices/EFA) · K973062

# TWIST RECIPROCATING DISPOSABLE PROPHY ANGLE (K973062)

_Medidenta Intl., Inc. · EFA · Oct 9, 1997 · Dental · SESE_

**Canonical URL:** https://fda.innolitics.com/submissions/DE/subpart-e%E2%80%94surgical-devices/EFA/K973062

## Device Facts

- **Applicant:** Medidenta Intl., Inc.
- **Product Code:** [EFA](/submissions/DE/subpart-e%E2%80%94surgical-devices/EFA.md)
- **Decision Date:** Oct 9, 1997
- **Decision:** SESE
- **Submission Type:** Traditional
- **Regulation:** 21 CFR 872.4200
- **Device Class:** Class 1
- **Review Panel:** Dental

## Intended Use

The TWISTT.M. (Recioprocating Disposable Prophy Angle) is indicated for teeth cleaning/ polishing.

## Device Story

The Twist Reciprocating Disposable Prophy Angle is a dental instrument used for cleaning and polishing teeth. It functions as a disposable attachment for dental handpieces, utilizing a reciprocating motion to perform prophylaxis procedures. The device is intended for use by dental professionals in a clinical setting. By providing a single-use, disposable solution, it aims to facilitate efficient cleaning while reducing the risk of cross-contamination between patients.

## Clinical Evidence

No clinical data provided; bench testing only.

## Technological Characteristics

Disposable dental prophy angle; reciprocating mechanical motion; designed for attachment to standard dental handpieces.

## Regulatory Identification

A dental handpiece and accessories is an AC-powered, water-powered, air-powered, or belt-driven, hand-held device that may include a foot controller for regulation of speed and direction of rotation or a contra-angle attachment for difficult to reach areas intended to prepare dental cavities for restorations, such as fillings, and for cleaning teeth.

## Submission Summary (Full Text)

> This content was OCRed from public FDA records by [Innolitics](https://innolitics.com). If you use, quote, summarize, crawl, or train on this content, cite Innolitics at https://innolitics.com.
>
> Innolitics is a medical-device software consultancy. We help companies design, build, and clear FDA-regulated software and AI/ML devices, including [a 510(k)](https://innolitics.com/services/510ks/), [a De Novo](https://innolitics.com/services/regulatory/), [a SaMD](https://innolitics.com/services/end-to-end-samd/), [an AI/ML medical device](https://innolitics.com/services/medical-imaging-ai-development/), or [an FDA regulatory strategy](https://innolitics.com/services/regulatory/).

{0}------------------------------------------------

Image /page/0/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo features a stylized eagle with three stripes forming its body and head. The text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" is arranged in a circular pattern around the eagle.

Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20856

Mr. Robert T. Postal Vice President Medidenta International, Incorporated 39-23 62nd Street Woodside, New York 11377

OCT - 9 1997

K973062 Re : Twist Reciprocating Disposable Prophy Angle Trade Name: Requlatory Class: I Product Code: EFA Dated: Auqust 12, 1997 Received: August 18, 1997

Dear Mr. Postal:

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, Drug, 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, qood 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 Regulations, Title 21, Parts 800 to 895. A substantially equivalent determination assumes compliance with the current Good Manufacturing Practice requirement, as set forth in the Quality System Regulation (QS) for Medical Devices: General regulation (21 CFR Part 820) and that, through periodic (QS) inspections, the Food and Drug Administration (FDA) will verify such assumptions. Failure to comply with the GMP regulation may result in regulatory In addition, FDA may publish further announcements action. concerning your device in the Federal Register. Please note: this response to your premarket notification submission does not affect any obligation you might have under sections 531

{1}------------------------------------------------

Page 2 - Mr. Postal

through 542 of the Act for devices under the Electronic Product Radiation Control provisions, or other Federal laws or requlations.

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 requlation (21 CFR Part 801 and additionally 809.10 for in vitro diagnostic devices), please contact the Office of Compliance at (301) 594-4618. Additionally, for questions on the promotion and advertising of your device, please contact the Office of Compliance at (301) 594-4639. 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 (800) 638-2041 or (301) 443-6597 or at its internet address "http://www.fda.qov/cdrh/dsmamain.html".

Sincerely yours,

Clifford

Timo IV A. Director Division of Dental, Infection Control and General Hospital Devices Office of Device Evaluation Center for Devices and Radioloqical Health

. Enclosure

{2}------------------------------------------------

510(k) Number (if known): ___K973062

Device Name: _ TWIST RECIPROCATING DISPOSABLE PROPHY ANGLE

Indications for Use:

The TWISTT.M. (Recioprocating Disposable Prophy Angle) is indicated for teeth cleaning/ polishing.

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

Concurrence of CDRH, Office of Device Evaluation (ODE)

Swar Rurrel

(Division Sign-C Division of Dental, and General Hot 510(k) Numbe

Prescription Use: ﺳﺎ (Per 21 CFR 801.109)

OR

Over-The-Counter-Use:_________________________________________________________________________________________________________________________________________________________

---

**Source:** [https://fda.innolitics.com/submissions/DE/subpart-e%E2%80%94surgical-devices/EFA/K973062](https://fda.innolitics.com/submissions/DE/subpart-e%E2%80%94surgical-devices/EFA/K973062)

**Published by [Innolitics](https://innolitics.com)** — a medical-device software consultancy. We help companies design, build, and clear FDA-regulated software and AI/ML devices. If you're preparing [a 510(k)](https://innolitics.com/services/510ks/), [a De Novo](https://innolitics.com/services/regulatory/), [a SaMD](https://innolitics.com/services/end-to-end-samd/), [an AI/ML medical device](https://innolitics.com/services/medical-imaging-ai-development/), or [an FDA regulatory strategy](https://innolitics.com/services/regulatory/), [get in touch](https://innolitics.com/contact).

**Cite:** Innolitics at https://innolitics.com
