# K141221: Lares Ultralite Prostyle High-Speed Dental Handpieces, Lares Euro Prostyle High-Speed Dental Handpieces, Lares Turbo+ PR

- Pathway: 510(k) (Abbreviated)
- Applicant: Lares Research, Inc.
- Decided: Oct 28, 2014 after 169 days
- Product code: EFB (Handpiece, Air-Powered, 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: 3 generations back to K863677 (1986). 8 ancestors in all.
No later device cites it as a predicate yet.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K780038: Dental Handpiece, Lares Manufacturing Co., Inc. (1978) Summary page 4.
- K905541: Lares 757 Workhorse Highspeed Handpiece, Lares Research, Inc. (1991) Summary page 4.
- K073478: Supertorque High-Speed Handpieces and Gentlepower Handpieces and Attachements, Sybron Dental Specialties, Inc. (2008) Summary page 4.

## Indications for use
The Lares Research 557 and 757 ProStyle model product family of high-speed handpieces is intended to be used by licensed dental professionals to reduce hard tooth structure, carry out cavity preparations and perform restorative dentistry.

Source page: https://510kreport.com/device/K141221
Methodology: https://510kreport.com/methodology
