# K202960: General Cutting Contra Handpiece

- Pathway: 510(k) (Special)
- Applicant: Nakanishi, Inc.
- Decided: Oct 27, 2020 after 27 days
- Product code: EGS (Handpiece, Contra- And Right-Angle Attachment, Dental)
- Device class: 1
- Regulation: 21 CFR 872.4200
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K182999 (2019). 1 ancestor in all.
No later device cites it as a predicate yet.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K182999: General Cutting Contra Handpiece, Nakanishi, Inc. (2019) Summary page 4.

## Indications for use
The General Cutting Contra Handpiece is powered by either an air-motor or electronic micromotor for use in general dentistry. The device is intended for cutting and grinding teeth, cavity preparations, tooth and crown preparations, finishing and trimming teeth and filling materials.

Source page: https://510kreport.com/device/K202960
Methodology: https://510kreport.com/methodology